Au dating plus game

Posted by / 10-Jul-2020 05:41

Au dating plus game

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  1. SILICON CHIP PROJECTS & CIRCUITS PUBLISHED NOVEMBER 1987 TO JUNE 2018 PCB PREFIX NUMBERS AND SUBJECT HEADINGS 01 AUDIO/HI-FI/HOME THEATRE02 TV/VIDEO03 SECURITY, BURGLAR ALARMS, SAFETY, ETC04 TEST & MEASUREMENT05 AUTOMOTIVE06 RADIO COMMUNICATIONS07 COMPUTERS08 GAMES AND TOYS09 MODEL RAILWAY/RADIO CONTROL10 MAINS POWER CONTROL11 BATTERY POWER, INVERTERS, FENCES, UPS, MOTOR SPEED12 TELEPHONES/FACSIMILE13 PHOTOGRAPHY/ASTRONOMY14 BATTERY CHARGERS15 REMOTE CONTROL16 LASERS & LIGHTING17 SOLAR ENERGY, WIND POWER AND RENEWABLES18 POWER SUPPLIES AND REGULATORS19 TIMERS, COUNTERS, SEQUENCERS AND CLOCKS20 BOATING/NAUTICAL21 WEATHER/CLIMATE/TEMPERATURE/HUMIDITY/ETC22 ROBOTICS23 MUSIC & MUSICAL INSTRUMENTS24 MICROCONTROLLER ACCESSORIES & COMPUTER PERIPHERALS25 MEDICAL AND HEALTH/HUMAN AND ANIMAL26 SCIENTIFIC/EDUCATIONAL27 LOGGING/SENSING/REMOTE MONITORING28 3D PRINTING/CNC29 SOLDERING/TOOLS30 AERONAUTICS/AIRCRAFT/SATELLITES/SPACE99 MISCELLANEOUS** CIRCUIT NOTEBOOK----------------------------------------------------------------------------------------------01 AUDIO/HI-FI/HOME THEATRE Car Stereo For Your Home SC 011-1287 November 1987Greg Swain; See also Ask SC February 1988 100W Amplifier Module to Build SC 11-1287 December 1987Leo Simpson & Bob Flynn See also Ask SC Feb 88 and Kit Clinic Dec 88 Studio 200 Stereo Power Amplifier SC 111287 February 1988Leo Simpson & Bob Flynn; Notes/errata: January 1990 Endless Loop Tape Player SC11488 March 1988Greg Swain Old-Time Crystal Radio March 1988John Hill Headphone Amplifier for CD Players SC 1-1-488 April 1988John Clarke Studio 200 Stereo Control Unit 01106881/2 & 04106881 June 1988Leo Simpson & Bob Flynn Notes/errata: August; October 1988, September 1989, November 1990 Booster for TV & FM Signals OE12 & SC 0210788 July 1988Branco Justic Studio 200 Stereo Control Unit SC 011688 July 1988Greg Swain & Bob Flynn Notes/errata: August; October 1988, September 1989, November 1990 High Performance FM Antenna October 1988Bob Flynn & Leo Simpson The Classic Matchbox Crystal Set October 1988Steve Payor High Power PA Amplifier Module SC 0111881 November 1988Leo Simpson & Bob Flynn Add a Headset to the Speakerphone SC 1210988 November 1988John Clarke & Greg Swain 120 Watt Public Address Amplifier SC 0111881 & SC0111288 December 1988Leo Simpson & Bob Flynn; Notes/errata: April 1989 120 Watt Public Address Amplifier, Pt.2 SC0111288 January 1989Leo Simpson; Notes/errata: April 1989 Minstrel 2-30 Loudspeaker System SC0110289 February 1989Leo Simpson Stereo Compressor For CD Players SC 01203891 March 1989Malcolm Young & Greg Swain; Notes/errata: May 1989 Studio Series 32-Band Equaliser SC0110389 March 1989John Clarke; Notes/errata: October 1989 Telephone Bell/Monitor Transmitter SC 01204891 April 1989Greg Swain & Malcolm Young Studio Series 32-Band Equaliser SC0110389 April 1989Leo Simpson & John Clarke; Notes/errata: October 1989 Studio Series 20-Band Stereo Equaliser SC 01103892/01107892 August 1989Leo Simpson & Bob Flynn Studio Series 20-Band Stereo Equaliser SC 01103892/01107892 September 1989Leo Simpson & Bob Flynn Null Your Amplifier's DC Output To Zero SC 01108891 September 1989John Clarke Digital Voice Recorder Board SC 07111891 December 1989John Clarke Balanced Input/Output Stages SC 01112891 December 1989John Clarke A High Quality Audio Oscillator 04101901/2 January 1990Leo Simpson 16-Channel Mixing Desk SC 01102901/2/3 February 1990John Clarke & Leo Simpson; Notes/errata: October & November 1990 A High Quality Audio Oscillator, Pt.2 February 1990Leo Simpson 16-Channel Mixing Desk SC01102901/2/3 March 1990John Clarke & Leo Simpson; Notes/errata: October & November 1990 Build A VOX With Delayed Audio SC 06104901 April 1990Darren Yates; Notes/errata: June 1990 16-Channel Mixing Desk, Pt.3 SC 01102901/2/3/4 April 1990John Clarke & Leo Simpson; Notes/errata: October & November 1990 16-Channel Mixing Desk; Pt.4 SC 01102901/01102902/011029John Clarke & Leo Simpson; Notes/errata: October 1990, November 1990Kit(s): Jaycar Universal Stereo Preamplifier SC 0110690 June 1990John Clarke & Leo Simpson Modifications To The 16-Channel Mixer November 1990Silicon Chip DC-DC Converter For Car Amplifiers SC 05111901 December 1990John Clarke & Greg Swain; Notes/errata: March 1991 A Synthesised Stereo AM Tuner, Pt.1 SC 01101911/01101912/01101913 February 1991John Clarke & Greg Swain; Notes/errata: September 1991, January 1993 Kit(s): DSE K5220 A Synthesised Stereo AM Tuner, Pt.2 SC 01101911/01101912/01101913 March 1991John Clarke & Greg Swain; Notes/errata: September 1991, January 1993 Kit(s): DSE K5220 A Synthesised Stereo AM Tuner, Pt.3 SC 01101911/01101912/01101913 April 1991John Clarke & Greg Swain; Notes/errata: September 1991, January 1993 Kit(s): DSE K5220 Stereo Audio Expander SC 011059Darren Yates; Notes/errata: July 1991 Howl Suppression For PA Systems June 1991Darren Yates Error Analyser For CD Players, Pt.1 SC 01405911/01405912/01405913 July 1991Stephen Mc Bride Loudspeaker Protector For Stereo Amplifiers SC 01105911 July 1991Bob Flynn Error Analyser For CD Players, Pt.2 SC 01405911/01405912/01405913 August 1991Stephen Mc Bride Studio 3-55L 3-Way Loudspeaker System; Kit(s): Jaycar September 1991Greg Swain Error Analyser For CD Players, Pt.3 SC 01405911/01405912/01405913 November 1991Stephen Mc Bride Build A 4-Channel Guitar Mixer SC 01101921 January 1992Darren Yates; See also Circuit Notebook February 1996Kit(s): DSE, Jaycar Compact Digital Voice Recorder; Kit(s): Comma Corporation February 1992Leo Simpson Build A Stereo Power Amplifier SC 01102921 February 1992Leo Simpson & Bob Flynn Studio Twin Fifty Amplifier, Pt.1 SC 01103921/01103922/01103923/01102921 March 1992Leo Simpson & Bob Flynn Notes/errata: December 1992, February 1993, September 1993 Studio Twin Fifty Amplifier, Pt.2 SC 01103921/01103922/01103923/01102921 April 1992Leo Simpson & Bob Flynn Notes/errata: December 1992, February 1993, September 1993 The Eliminator SC 041049Marque Crozman Multi-Station Headset Intercom; Pt.1 SC 01302921 / 04104921 June 1992Marque Crozman; Kit(s): Altronics K5250 Multi-Station Headset Intercom; Pt.2 SC 01302921 / 04104921 July 1992Marque Crozman; Kit(s): Altronics K5250 Dummy Load Box For Large Audio Amplifiers August 1992Leo Simpson Build A Mini Amplifier For Personal Stereos SC 01110921 October 1992Darren Yates; Kit(s): DSE Build An FM Radio Receiver SC 06111921 November 1992Darren Yates; Kit(s): DSE K5014 Peerless PSK60/2 2-Way Hifi Loudspeakers; Kit(s): DSE January 1993Tom Manning Build A Flea-Power AM Radio Transmitter SC 06112921 January 1993Darren Yates Audio Level / VU Meter With LED Readout ZA-1363 February 1993Bernie Gilchrist; Kit(s): DSE K5370 Low-Cost Audio Mixer For Camcorders SC 01112921 March 1993Darren Yates; Notes/errata: April 1993 Build An Audio Power Meter SC 01105931 April 1993Darren Yates; Kit(s): Altronics, DSE Remote Volume Control For Hifi Systems; Pt.1 SC 01305931/013059John Clarke; Notes/errata: Remote Control Receiver ICs: April 1996 Build An AM Radio Trainer; Pt.1 SC 06106931 June 1993Marque Crozman & Leo Simpson; Kit(s): DSE Remote Volume Control For Hifi Systems; Pt.2 SC 01305931/01305932 June 1993John Clarke; Notes/errata: Remote Control Receiver ICs: April 1996 Build A Single Chip Message Recorder SC 01104931 July 1993Darren Yates; See also Circuit Notebook September 1997 Stereo Preamplifier With IR Remote Control; Pt.1 September 1993SC 01308931/01308932/01308933/01308934John Clarke; Notes/errata: April 1994 Stereo Preamplifier With IR Remote Control; Pt.2 October 1993SC 01308931/01308932/01308933/01308934John Clarke; Notes/errata: April 1994 A Solid State Message Recorder; Kit(s): DSE K9200 October 1993Greg Swain FM Wireless Microphone For Musicians FMTX October 1993Branco Justic; Kit(s): Oatley Electronics Stereo Preamplifier With IR Remote Control; Pt.3 SC 01308931/01308932 November 1993John Clarke; Notes/errata: April 1994 Build A Siren Sound Generator ZA-1325 November 1993Bernie Gilchrist; Kit(s): DSE K5514 A Low-Cost 25W Amplifier Module SC 01112931 December 1993Darren Yates; Notes/errata: March 1995; Kit(s): Altronics K5113, DSE, Jaycar Build A 1-Chip Melody Generator ZA-1324 December 1993Bernie Gilchrist; Kit(s): DSE Build A 90-Second Message Recorder SC 01202941 February 1994Darren Yates; Kit(s): Altronics, Jaycar A Single Chip Audio Amplifier SC 01102941 February 1994Darren Yates; Notes/errata: June 1994Kit(s): Altronics K2115, DSE K5604, Jaycar KC5152 Build A 50W Audio Amplifier Module SC 01103941 March 1994Darren Yates; Notes/errata: December 2000, August 2003Kit(s): Altronics K5114, DSE, Jaycar KC5150 Voice Activated Switch For FM Microphones SC 01203941 March 1994Darren Yates Low-Noise Universal Stereo Preamplifier SC 01106941 April 1994Darren Yates; Notes/errata: Ref Circuit Notebook June 1996 For Selectable Gain Kit(s): Altronics, DSE, Jaycar KC5159 200W/350W Mosfet Amplifier Module; Kit(s): Computer & Electronics Services June 1994Anthony Holton The Stoney Broke Loudspeaker System; Kit(s): Altronics June 1994Leo Simpson Convert Your Phono Inputs To Line Inputs SC 01105941 June 1994Leo Simpson Small Talk: A Tiny Voice Digitiser For The PC; Kit(s): RAT Electronics July 1994Darren Yates The Pre Champ 2-Transistor Preamplifier SC 01107941 July 1994Darren Yates; Kit(s): Altronics K2112, DSE, Jaycar KC5166 Dual Diversity Tuner For FM Microphones; Pt.1 SC 06307941/06307942 August 1994John Clarke; Notes/errata: September 1994 Dual Diversity Tuner For FM Microphones; Pt.2 SC 06307941/06307942 September 1994John Clarke; Notes/errata: September 1994 Build A Talking Headlight Reminder SC 01109941 October 1994Darren Yates; Kit(s): DSE, Jaycar Dolby Pro-Logic Surround Sound Decoder; Pt.1 SC 02311941 December 1994John Clarke; Kit(s): Jaycar A 3-Spot Low Distortion Sinewave Oscillator SC 01110941 December 1994Darren Yates Dolby Pro-Logic Surround Sound Decoder; Pt.2 SC 02311941 January 1995John Clarke; Kit(s): Jaycar Build A Stereo Microphone Preamplifier SC 01111941 January 1995Darren Yates 50-Watt/Channel Stereo Amplifier Module SC 01102951 February 1995Leo Simpson & Bob Flynn; Notes/errata: March 1995; Ref Circuit Notebook June 1996Kit(s): Altronics K5130, DSE, Jaycar Digital Effects Unit For Musicians SC 01301951/01301952 February 1995John Clarke; Notes/errata: March 1995; Kit(s): Jaycar Wide Range Electrostatic Loudspeakers; Pt.1; Kit(s): ER Audio ESL III February 1995Rob Mc Kinlay Subcarrier Decoder For FM Receivers SC 06303951 March 1995John Clarke; Kit(s): Jaycar 50W/Channel Stereo Amplifier; Pt.1 March 1995SC 01102951/01103951/01103952/01102951/01103953/01102951/01103954Leo Simpson & Bob Flynn; Kit(s): Altronics, Jaycar Wide Range Electrostatic Loudspeakers; Pt.2; Kit(s): ER Audio ESL III March 1995Rob Mc Kinlay Build An FM Radio Trainer; Pt.1 SC 06303951 April 1995John Clarke; Kit(s): DSE Balanced Microphone Preamplifier & Line Mixer PED5531 April 1995Leo Simpson; See Circuit Notebook May 1995 For Phantom Power Kit(s): Altronics K5531 50W/Channel Stereo Amplifier; Pt.2 April 1995SC 01102951/01103951/01103952/01102951/01103953/01102951/01103954Leo Simpson & Bob Flynn; Kit(s): Altronics, Jaycar Wide Range Electrostatic Loudspeakers; Pt.3; Kit(s): ER Audio ESL III April 1995Rob Mc Kinlay Build A Mains Music Transmitter & Receiver CE/MUSA/94 & CE/MUSB/Jeff Monegal; Notes/errata: July 1995; Kit(s): CTOAN Electronics Guitar Headphone Amplifier For Practice Sessions SC 013059John Clarke; Kit(s): Altronics, DSE, Jaycar Build An FM Radio Trainer; Pt.2 SC 06303951/063049John Clarke; Kit(s): DSE A 1-Watt Audio Amplifier Trainer SC 01306951 June 1995John Clarke; Kit(s): DSE Vifa JV-60 2-Way Bass Reflex Loudspeaker System; Kit(s): Jaycar August 1995Leo Simpson A Gain-Controlled Microphone Preamp SC 01207951 August 1995John Clarke; Kit(s): Altronics, Jaycar Build The Mighty-Mite Powered Loudspeaker SC 01305951 August 1995John Clarke Audio Lab: A PC-Controlled Audio Test Instrument; Pt.2 September 1995Kit(s): RSK Electronics Roger Kent A 3-Way Bass Reflex Loudspeaker System; Kit(s): Jaycar JV100 October 1995Leo Simpson Dolby Pro Logic Surround Sound Decoder, Mk.2 November 1995SC 01409951/01409952/01409953/01409954/01409955John Clarke; Notes/errata: January 1996, February 1996; Kit(s): Jaycar exclusive Five Band Equaliser Uses Two Low-Cost ICs SC 01309951 December 1995John Clarke; Notes/errata: January 1996; Kit(s): Altronics K5305, Jaycar Build A Subwoofer Controller; Kit(s): Altronics K5562/K5563 exclusive December 1995Leo Simpson; Notes/errata: February 1996 Dolby Pro Logic Surround Sound Decoder, Mk.2; Pt.2 December 1995SC 01409951/01409952/01409953/01409954/01409955John Clarke; Notes/errata: January 1996, February 1996; Kit(s): Jaycar exclusive Surround Sound Mixer & Decoder; Pt.1 SC 02302961/02302962/02302963 January 1996John Clarke Surround Sound Mixer & Decoder; Pt.2 SC 02302961/02302962/02302963 February 1996John Clarke Automatic Level Control For PA Systems SC 01303961 March 1996John Clarke; See Ask SC June 1996 For Loudspeaker Protection A 20ms Delay For Surround Sound Decoders SC 01401961 March 1996John Clarke; Kit(s): Altronics K5595, Jaycar A High-Power Hi Fi Amplifier Module SC 01104961 April 1996Leo Simpson & Bob Flynn November 1996; see March 2000 for refined version Kit(s): DSE, Jaycar KC5201 Duplex Intercom Using Fibre-Optic Cable; Kit(s): DIY/Ozitronics Kit Leo Simpson A High-Performance Stereo Simulator SC 01406961 June 1996John Clarke; Notes/errata: September 1996; Kit(s): Altronics K5950 A Three-Band Parametric Equaliser SC 01107961 July 1996Bob Flynn; Kit(s): Altronics K5330, Jaycar A 350-Watt Audio Amplifier Module; Kit(s): Altronics K5180 exclusive August 1996Leo Simpson Portable Masthead Amplifier For TV & FM; Kit(s): Oatley Electronics August 1996Branco Justic Infrared Stereo Headphone Link; Pt.1 SC 01109961/01109962/01109963 September 1996Rick Walters High Quality Loudspeaker For Public Address SC 01310961/01310962 September 1996John Clarke 600W DC-DC Converter For Car Hifi Systems; Pt.1 SC 05308961 October 1996John Clarke; Kit(s): Jaycar Infrared Stereo Headphone Link; Pt.2 SC 01109961/01109962/01109963 October 1996Rick Walters Build A Multimedia Sound System; Pt.1 SC 01110961 October 1996Rick Walters; Notes/errata: February 1997, July 1997; Kit(s): Altronics, Jaycar Build An 8-Channel Stereo Mixer; Pt.1 SC 01210961/01210962 November 1996John Clarke; Kit(s): Jaycar Build A Multimedia Sound System; Pt.2 SC 01110961 November 1996Rick Walters; Notes/errata: February 1997, July 1997; Kit(s): Altronics, Jaycar 600W DC-DC Converter For Car Hifi Systems; Pt.2 SC 05308961 November 1996John Clarke; Kit(s): Jaycar Active Filter Cleans Up Weak CW Reception SC 06112961 December 1996Leon Williams Build An 8-Channel Stereo Mixer; Pt.2 SC 01210961/01210962 December 1996John Clarke; Kit(s): Jaycar Build A Pink Noise Source 04312962 January 1997John Clarke; Notes/errata: January 2001; Kit(s): Altronics, DSE Plastic Power PA Amplifier SC 01103971 March 1997Ross Tester Loudspeaker Protector For Stereo Amplifiers SC 01104971 April 1997Leo Simpson & Bob Flynn; Notes/errata: June 1997; Kit(s): DSE, Jaycar Infrared Remote Volume Control; Kit(s): Oatley Electronics July 1997Leo Simpson Simple Waveform Generator SC 01307971 July 1997John Clarke; Kit(s): Jaycar The Bass Barrel Subwoofer; Kit(s): Altronics August 1997Julian Edgar A 500 Watt Audio Power Amplifier Module SC 01208971 August 1997Leo Simpson & Bob Flynn; Notes/errata: Feedback: March 1998Kit(s): Altronics, DSE, Jaycar Building The 500W Audio Power Amplifier; Pt.2 SC 01208971 September 1997Leo Simpson & Bob Flynn; Notes/errata: Feedback: March 1998Kit(s): Altronics, DSE, Jaycar Building The 500W Audio Power Amplifier; Pt.3 SC 01208971 October 1997Leo Simpson & Bob Flynn; Notes/errata: Feedback: March 1998Kit(s): Altronics, DSE, Jaycar Loudness Control For Car Hifi Systems SC 01111971 December 1997Rick Walters; Kit(s): Jaycar Build Your Own 4-Channel Lightshow; Pt.1 SC 01112971/01112972 January 1998Leo Simpson & Rick Walters; Kit(s): Altronics, Jaycar Build Your Own 4-Channel Lightshow; Pt.2 SC 01112971/01112972 February 1998Leo Simpson & Rick Walters; Kit(s): Altronics, Jaycar Sustain Unit For Electric Guitars SC 01302981 March 1998John Clarke; Notes/errata: July 1999; Kit(s): Altronics, Jaycar PC-Controlled 0-30k Hz Sinewave Generator; Kit(s): Softmark April 1998Mark Roberts The Roadies' Friend Cable Tester; Kit(s): Hoad Electronics June 1998Paul Hoad 15-Watt Class-A Amplifier Module SC 01207981 July 1998Leo Simpson; Kit(s): Altronics K5109 The Opus One Loudspeaker System; Kit(s): Altronics August 1998Leo Simpson; Notes/errata: October 1998 15W/Channel Class-A Stereo Amplifier SC 01207981 August 1998Leo Simpson; Kit(s): Altronics K5109 A Waa-Waa Pedal For Your Guitar SC 01307981 September 1998John Clarke; Kit(s): Altronics, DSE, Jaycar An FM Transmitter For Musicians; Kit(s): Oatley Electronics November 1998Branco Justic Low Distortion Audio Signal Generator; Pt.1 SC 01402991/01402992 February 1999John Clarke; Notes/errata: May 1999, August 2000; Kit(s): Altronics K2548, Jaycar Easy-To-Build Audio Compressor SC 01303991 March 1999John Clarke; Kit(s): Altronics K5525 Low Distortion Audio Signal Generator; Pt.2 SC 01402991/01402992 March 1999John Clarke; Notes/errata: May 1999, August 2000; Kit(s): Altronics K2548, Jaycar The Bass Cube Subwoofer April 1999Julian Edgar; Notes/errata: May 1999 An Audio-Video Transmitter SC 02405991 July 1999John Clarke; Notes/errata: September 1999, February 2001Kit(s): Altronics K5865, Jaycar KC5272 Voice Direct Speech Recognition Module SC 07109991 September 1999Ross Tester; Notes/errata: October 1999; Kit(s): Adilam Electronics Foldback Loudspeaker System For Musicians November 1999John Clarke Spring Reverberation Module SC 01402000 January 2000John Clarke; Kit(s): Jaycar An Audio-Video Test Generator SC 04101001 January 2000Leon Williams; Kit(s): Altronics K2718, DSE, Jaycar A Sine/Square Wave Oscillator For Your Workbench SC 04102001 February 2000Rick Walters; See also Circuit Notebook May 2001 for metering Kit(s): Altronics, Jaycar Ultra-LD 100W Stereo Amplifier; Pt.1 SC 01103001 March 2000Leo Simpson; Notes/errata: August 2000; Kit(s): Altronics K5150, Jaycar Aura Interactor Amplifier March 2000Leo Simpson Building The Ultra-LD 100W Stereo Amplifier; Pt.2 SC 011030Leo Simpson; Notes/errata: August 2000; Kit(s): Altronics K5150, Jaycar CD Compressor For Cars Or The Home SC 01106001 June 2000John Clarke; Kit(s): Altronics K5580, Jaycar KC5291 Build A Theremin SC 01207001 August 2000John Clarke; Kit(s): Altronics, DSE K3015, Jaycar KC5295 Loudspeaker Protector And Fan Controller SC 01108001 August 2000Peter Smith & Leo Simpson; Notes/errata: September 2000; Kit(s): Altronics, Jaycar Guitar Jammer For Practice & Jam Sessions SC 01110001 October 2000Peter Smith & Leo Simpson; Kit(s): Altronics K5536, Jaycar Installing A Free-Air Subwoofer In Your Car October 2000Julian Edgar 2-Channel Guitar Preamplifier SC 01111001 November 2000John Clarke; Notes/errata: January 2001, September 2002Kit(s): Altronics K5340, Jaycar 2-Channel Guitar Preamplifier, Pt.2: Digital Reverb SC 01112001 December 2000John Clarke; Notes/errata: January 2001, September 2002Kit(s): Altronics K5340, Jaycar The LP Doctor: Cleaning Up Clicks & Pops; Pt.1 SC 01101011 January 2001John Clarke & Leo Simpson Notes/errata: March 2001, April 2001, June 2001, January 2002, June 2002Kit(s): DSE K5425 The Wave Maker: An Arbitrary Waveform Generator SC 04101011 January 2001David Sibley 2-Channel Guitar Preamplifier, Pt.3 SC 01111001/01112001 January 2001John Clarke; Notes/errata: January 2001, September 2002Kit(s): Altronics K5340, Jaycar Digital Reverb - The Missing Pages SC 01112001 January 2001John Clarke MIDI-Mate: A MIDI Interface For PCs SC 01201011 February 2001Jim Rowe; Notes/errata: February 2003; Kit(s): Jaycar Bass Blazer Sub Woofer Display SC 01102011/01102012/01102013 February 2001Rick Walters; Notes/errata: April 2001; Kit(s): Altronics K5410, Jaycar The LP Doctor: Cleaning Up Clicks & Pops; Pt.2 SC 01101011 February 2001John Clarke & Leo Simpson Notes/errata: March 2001, April 2001, June 2001, January 2002, June 2002Kit(s): DSE K5425 A Tremolo Unit For Musicians SC 01104011 April 2001John Clarke; Kit(s): DSE, Jaycar Powerful 12V Mini Stereo Amplifier SC 011050John Clarke; Kit(s): Altronics K5100 A Direct Injection Box For Musicians SC 011080110 August 2001John Clarke; Notes/errata: September 2001; Kit(s): Altronics, DSE, Jaycar Build A 200W Mosfet Amplifier Module; Kit(s): Altronics K5172 August 2001Leo Simpson Build Your Own MP3 Jukebox; Pt.1 SC 07109011 September 2001Peter Smith; Notes/errata: January 2002, April 2002, December 2002Kit(s): Altronics Personal Noise Source For Tinnitus Sufferers SC 01109011 September 2001John Clarke; Kit(s): Altronics, DSE, Jaycar KC5319 The Sooper Snooper; Kit(s): Oatley Electronics September 2001Ross Tester; Notes/errata: June 2002 Build Your Own MP3 Jukebox; Pt.2 SC 07109011 October 2001Peter Smith; Notes/errata: January 2002, April 2002, December 2002Kit(s): Altronics 100W RMS/Channel Stereo Amplifier; Pt.1 November 2001SC 01112011/01112012/01112013/01112014/01112015Greg Swain & John Clarke; Notes/errata: April 2007; Kit(s): Altronics K5155 A Low-Cost Audio/Video Distribution Amplifier SC 02111011 November 2001Jim Rowe; Notes/errata: December 2001, April 2002, June 2002Kit(s): Jaycar KC5320 Short Message Recorder & Player SC 01111011 November 2001Leon Williams 100W RMS/Channel Stereo Amplifier; Pt.2 December 2001SC 01112011/01112012/01112013/01112014/01112015Greg Swain & Leo Simpson; Notes/errata: April 2007; Kit(s): Altronics K5155 100W RMS/Channel Stereo Amplifier; Pt.3 January 2002SC 01112011/01112012/01112013/01112014/01112015Greg Swain & Leo Simpson; Notes/errata: April 2007; Kit(s): Altronics K5155 A 2.4GHz High-Power Audio-Video Link; Kit(s): Oatley Electronics February 2002Ross Tester Assemble Your Own 2-Way Tower Speakers; Kit(s): VAF Research February 2002Leo Simpson The Mighty Midget Audio Amplifier Module SC 01203021 March 2002Rick Walters; Notes/errata: May 2002, June 2002Kit(s): Altronics K5140, DSE K5401, Jaycar KC5329 6-Channel IR Remote Volume Control, Pt.1 SC 01103021/01103022/01103023 March 2002John Clarke; Notes/errata: June 2002; Kit(s): Altronics RIAA Preamplifier For Magnetic Cartridges SC 01303021 March 2002Leo Simpson & Ross Tester; Notes/errata: March 2003 6-Channel IR Remote Volume Control, Pt.2 SC 01103021/01103022/01103023 April 2002John Clarke; Notes/errata: June 2002; Kit(s): Altronics Build A Stereo Headphone Amplifier SC 011050Ross Tester; Kit(s): Altronics K5506, DSE, Jaycar KC5335 Remote Volume Control For Stereo Amplifiers SC 15106021 June 2002John Clarke; Kit(s): Altronics K5026 Remote Volume Control For The Ultra-LD Amplifier July 2002SC 01107021, 15106022, 15106023John Clarke & Greg Swain; Kit(s): Altronics & DSE Sound Card Interface For PC Test Instruments SC 04108021 August 2002Peter Smith; See also Circuit Notebook May 2003 Wi-Fi: 21st Century Cat's Whiskers November 2002Stan Swan The SC480 50W RMS Amplifier Module SC 01201031/01201032/01201033 January 2003Peter Smith and Leo Simpson; Notes/errata: December 2005Kit(s): Altronics K5120/K5122, DSE K3431/K3432, Jaycar KC5345/KC5346/KC5347 Active 3-Way Crossover For Loudspeaker Systems SC 01101031 January 2003Mick Gergos; Notes/errata: May 2004Kit(s): Elliott Sound Products sound-au.com, Jaycar KC5343 (no longer available) The Porta PAL Public Address System February 2003SC 01103031/01103032/01103033, EPE 562/563/564/565John Clarke and Leo Simpson; Notes/errata: March 2003, May 2003, December 2004Kit(s): Altronics K5360 The SC480 50W RMS Amplifier Module; Pt.2 SC 01201031/01201032/01201033 February 2003Peter Smith and Leo Simpson; Notes/errata: December 2005Kit(s): Altronics K5120/K5122, DSE K3431/K3432, Jaycar KC5345/KC5346/KC5347 The Porta PAL Public Address System; Pt.2 March 2003SC 01103031/01103032/01103033, EPE 562/563/564/565John Clarke and Leo Simpson; Notes/errata: March 2003, May 2003, December 2004Kit(s): Altronics K5360 The Little Dynamite Subwoofer March 2003Julian Edgar Video-Audio Booster For Home Theatre Systems SC 02104031, EPE 558 April 2003Jim Rowe; Kit(s): Jaycar KC5350/KC5351 Widgy Box - A Guitar Distortion Effects Unit SC 01105031, EPE 5Peter Smith; Kit(s): Altronics K5541, Jaycar KC5353 The Big Blaster Subwoofer May 2003Julian Edgar Fitting A Wireless Microphone To The Porta PAL August 2003Ross Tester The JV80 Loudspeaker System; Kit(s): Jaycar October 2003Design by Phil Routley, words by Leo Simpson & assembled by Michelle Oneile A 12AX7 Valve Audio Preamplifier SC 01111031/01111032 November 2003Jim Rowe; Kit(s): Jaycar KC5370/KC5371 Studio 350 Power Amplifier Module SC 01102041, EPE 591 January 2004Leo Simpson & Peter Smith; Notes/errata: February & April 2004, April 2006Kit(s): Altronics K5185 (discontinued), Jaycar KC5372 Lapel Microphone Adaptor For PA Systems SC 01101041/01101042, EPE 593 January 2004John Clarke; See Circuit Notebook Feb 2004 for Phantom Supply 2.4GHz Audio/Video Link; Kit(s): Oatley Electronics January 2004Ross Tester Studio 350 Power Amplifier Module; Pt.2 EPE PCB591 February 2004Leo Simpson & Peter Smith; Notes/errata: February & April 2004, April 2006Kit(s): Altronics K5185 (discontinued), Jaycar KC5372 Using The Valve Preamp In A Hifi System February 2004Jim Rowe; Notes/errata: Refer project November 2003 Loudspeaker Level Meter For Home Theatre Systems SC 01104041, EPE 577 April 2004John Clarke; Kit(s): Altronics K2552 DSE K5624 Regulated High-Voltage Supply For Valve Amplifiers; Kit(s): DSE K3438 July 2004Leonid Lerner Balanced Microphone Preamplifier SC 01108041, EPE 599 August 2004John Clarke; Notes/errata: January 2005; Kit(s): DSE K7219 Schoolies 20W Amplifier Module SC 01112041/01201033, EPE 613/614 December 2004Peter Smith; Kit(s): Altronics K5116, DSE K3405, Jaycar KC5403 Build A V8 Doorbell SC 05101051, EPE 637/638 January 2005John Clarke; Notes/errata: March 2005; Kit(s): Jaycar KC5405/KC5406 Twin Ten Stereo Amplifier SC 01102051, EPE 626 February 2005Jim Rowe & Peter Smith Bass Extender For Hifi Systems SC 01104051, EPE 618 April 2005Rick Walters; Notes/errata: July 2005Kit(s): Altronics K5561, DSE K5592, Jaycar KC5411 Voice Recorder SC 011050Jim Rowe; See enhanced version December 2007; Kit(s): Jaycar KC5412 Wireless Microphone/Audio Link; Kit(s): Oatley Electronics K2Ross Tester The Mudlark A205 Valve Stereo Amplifier; Kit(s): Gless Audio August 2005David Whitby The Mudlark A205 Valve Stereo Amplifier, Pt.2; Kit(s): Gless Audio September 2005David Whitby Studio Series Stereo Preamplifier SC 01109051/ 01109052 (power supply) EPE 658 October 2005Peter Smith; Notes/errata: February 2006Kit(s): Altronics K5501/K5502, Jaycar KC5418 (power supply only) Studio Series Stereo Headphone Amplifier SC 01111051, EPE 662 November 2005Peter Smith; Kit(s): Altronics K5503/K5501 Jaycar KC5417/KC5418 Delta XL02 Tower Loudspeaker System; Kit(s): 2005Leo Simpson Building The Ultimate Jukebox; Pt.1 December 2005Ross Tester Building The Ultimate Jukebox; Pt.2 January 2006Ross Tester Building The Ultimate Jukebox; Pt.3 February 2006Ross Tester Studio Series Remote Control Module SC 01104061, EPE 663 April 2006Peter Smith; Notes/errata: April 2007; Kit(s): Altronics K5504 4-Channel Audio/Video Selector SC 02104061, EPE 676 April 2006Jim Rowe A Passive Direct Injection Box For Musicians May 2006John Clarke Direct Injection From A 70V/100V Speaker Line May 2006Ross Tester Boost Your XBee’s Range Using Simple Antennas May 2006Stan Swan Pocket A/V Test Pattern Generator; Kit(s): Altronics K2725 June 2006Mick Gergos Two-Way SPDIF/Toslink Digital Audio Converter SC 01106061 June 2006Jim Rowe; Kit(s): Jaycar KC5425 Build A 2.4GHz Wireless A/V Link; Kit(s): Oatley Electronics K229 June 2006Ross Tester Starship “Enterprise” Door Sounder; Kit(s): Jaycar KC5423 June 2006Jim Rowe Mini Theremin Mk.2; Pt.1 SC 01207061, EPE 670 July 2006John Clarke; Notes/errata: December 2006; Kit(s): Jaycar KC5426 Studio Series Stereo Preamplifier; Kit(s): Altronics K5500/K5500S July 2006Peter Smith Build A Magnetic Cartridge Preamplifier SC 01108061 August 2006John Clarke; Notes/errata: December 2007; Kit(s): Altronics K5513, Jaycar KC5433 An Ultrasonic Eavesdropper SC 01208061, EPE 683 August 2006Jim Rowe; Notes/errata: October 2006 Mini Theremin Mk.2; Pt.2 SC 01207061, EPE 670 August 2006John Clarke; Notes/errata: December 2006; Kit(s): Jaycar KC5426 Build Your Own Compact Bass Reflex Loudspeakers; Kit(s): November 2006Aaron Waplington Remote Volume Control & Preamplifier Module; Pt.1 February 2007SC 01102071/01102072/01102073/01102074, EPE 714-716Peter Smith Remote Volume Control & Preamplifier Module; Pt.2 March 2007SC 01102071/01102072/01102073/01102074, EPE 714-716Peter Smith A 20W Class-A Amplifier Module May 2007SC 01105071/01105072/01105073/01207071/01208071, EPE 687/689/693/696Leo Simpson & Peter Smith; Notes/errata: September 2007, April 2011Kit(s): Altronics K5124, K5125, K5126, K5127, K5128 VU/Peak Meter With LCD Bargraphs SC 01205071/01205072, EPE 702/7John Clarke; Notes/errata: June 2007; Kit(s): Jaycar KC5447 20W Class-A Amplifier Module; Pt.2 June 2007SC 01105071/01105072/01105073/01207071/01208071, EPE 687/689/693/696Leo Simpson; Notes/errata: September 2007, April 2011Kit(s): Altronics K5124, K5125, K5126, K5127, K5128 Versatile 4-Input Mixer With Tone Controls SC 01106071, EPE 704 June 2007Jim Rowe; Notes/errata: November 2007; Kit(s): Altronics K5353, Jaycar KC5448 20W Class-A Amplifier Module; Pt.3 July 2007SC 01105071/01105072/01105073/01207071/01208071, EPE 687/689/693/696Greg Swain & Peter Smith; Notes/errata: September 2007, April 2011Kit(s): Altronics K5124, K5125, K5126, K5127, K5128 20W Class-A Amplifier Module; Pt.4 August 2007SC 01105071/01105072/01105073/01207071/01208071, EPE 687/689/693/696John Clarke & Greg Swain; Notes/errata: September 2007, April 2011Kit(s): Altronics K5124, K5125, K5126, K5127, K5128 Subwoofer Controller SC 01108071 August 2007Jim Rowe; Notes/errata: December 2007, December 2008; Kit(s): Jaycar KC5452 Building The 20W Stereo Class-A Amplifier; Pt.5 September 2007SC 01105071/01105072/01105073/01207071/01208071, EPE 687/689/693/696Greg Swain; Notes/errata: September 2007, April 2011Kit(s): Altronics K5124, K5125, K5126, K5127, K5128 AM Loop Antenna & Amplifier EPE 813/814 October 2007Branko Justic & Ross Tester; Kit(s): Oatley Electronics K256 Playback Adaptor For CD-ROM Drives SC 07112071, EPE 740 November 2007Mauro Grassi; Notes/errata: December 2007; Kit(s): Jaycar KC5459 Signature Series Kit Loudspeaker System; Kit(s): December 2007Russell Storey & Leo Simpson Infrared Audio Headphone Link For TV SC 01112071/01112072, EPE 708/709 December 2007Jim Rowe An Enhanced 45-Second Voice Recorder Module EPE 797 December 2007Jim Rowe; Notes/errata: February 2008; Kit(s): Jaycar KC5454 Playback Adaptor For CD-ROM Drives; Pt.2 SC 07112071, EPE 740 December 2007Mauro Grassi; See also Circuit Notebook, July 2008Kit(s): Jaycar KC5459 Build The “Aussie-3” Valve AM Radio January 2008Keith Walters Two-Way Stereo Headphone Adaptor SC 01104081, EPE 748 April 2008Mauro Grassi; See also Circuit Notebook June 2008 DSP Musicolour Light Show SC 10107081/10107082/10107083, EPE 759/760/764 June 2008Mauro Grassi; Notes/errata: July & September 2008; Kit(s): Altronics K5803 Balanced/Unbalanced Converter For Audio Signals SC 01106081/01106082, EPE 770 June 2008John Clarke; Kit(s): Altronics K5522, Jaycar KC5468 DSP Musicolour Light Show; Pt.2 SC 10107081/10107082/10107083, EPE 759/760/764 July 2008Mauro Grassi; Notes/errata: July & September 2008; Kit(s): Altronics K5803 Balanced Mic Preamp For PCs & MP3 Players SC 01107081, EPE 780 July 2008John Clarke Bridge Adaptor For Stereo Power Amplifiers SC 01106081/01106082, EPE 770 July 2008Leo Simpson Ultra-LD Mk.2 200W Power Amplifier Module SC 01108081/01109081, EPE 767/768 August 2008Leo Simpson & John Clarke; Notes/errata: September 2008Kit(s): Altronics K5151, Jaycar KC5470 KC5471 DSP Musicolour Light Show; Pt.3 SC 10107081/10107082/10107083, EPE 759/760/764 August 2008Mauro Grassi; Notes/errata: July & Septemgber 2008; Kit(s): Altronics K5803 Ultra-LD Mk.2 200W Power Amplifier Module, Pt.2 September 2008SC 01108081/01109081, EPE 767/768John Clarke & Greg Swain; Notes/errata: September 2008Kit(s): Altronics K5151, Jaycar KC5470 KC5471 DSP Musicolour Light Show; Pt.4 SC 10107081/10107082/10107083, EPE 759/760/764 September 2008Mauro Grassi; Notes/errata: July & September 2008; Kit(s): Altronics K5803 AM Broadcast Band Portable Loop Antenna January 2009Stan Swan New, Improved Theremin Mk.2 SC 01203091, EPE 795 March 2009John Clarke; Notes/errata: April 2009; Kit(s): Jaycar KC5475 Build A Digital Audio Millivoltmeter SC 04103091, EPE 794 March 2009Jim Rowe; See May 2009 for Input Attenuator Microcontrollers Can Be A Snap; Kit(s): Kitset March 2009Stan Swan Input Attenuator For The Digital Audio Millivoltmeter SC 04205091, EPE 8Jim Rowe Hand-Held Digital Audio Oscillator EPE 803 June 2009Darian Lovett & Mauro Grassi; Kit(s): Altronics K2543 Multi-Function Active Filter Module SC 01107091, EPE 812 July 2009John Clarke; Notes/errata: August 2009; Kit(s): Jaycar KC5480 An SD Card Music & Speech Recorder/Player SC 01108092, EPE 815 August 2009Mauro Grassi; Notes/errata: September, November, December 2009 and January 2012Kit(s): Altronics K5545 Jaycar KC5481 High-Quality Stereo Digital-To-Analog Converter, Pt.1 September 2009SC 01109091/01109092/01109093, EPE 820-823Nicholas Vinen; Notes/errata: December 2009, February & June 2010, December 2011Kit(s): Altronics K5332 Jaycar KC5487 High-Quality Stereo Digital-To-Analog Converter, Pt.2 October 2009SC 01109091/01109092/01109093, EPE 820-823Nicholas Vinen; Notes/errata: December 2009, February & June 2010, December 2011Kit(s): Altronics K5332 Jaycar KC5487 High-Quality Stereo Digital-To-Analog Converter, Pt.3 November 2009SC 01109091/01109092/01109093, EPE 820-823Nicholas Vinen; Notes/errata: December 2009, February & June 2010, December 2011Kit(s): Altronics K5332 Jaycar KC5487 A Dead-Simple Masthead Amplifier; Kit(s): Altronics K274 November 2009Branko Justic & Ross Tester A Balanced Output Board for the Stereo DAC SC 01101101, EPE 833 January 2010Nicholas Vinen; Notes/errata: February 2010 Digital Audio Signal Generator, Pt.1 March 2010SC 04203101/04203102/04203103, EPE 838/839Nicholas Vinen; Notes/errata: June & August 2010; Kit(s): Altronics K2553 Digital Audio Signal Generator, Pt.2 April 2010SC 04203101/04203102/04203103, EPE 838/839Nicholas Vinen; Notes/errata: June & August 2010; Kit(s): Altronics K2553 Build A Compact 12V 20W Stereo Amplifier SC 01104101, EPE 8Nicholas Vinen; Kit(s): Altronics K5136, Jaycar KC5495 (discontinued) Digital Audio Signal Generator, Pt.SC 04203101/04203102/04203103, EPE 838/839Nicholas VInen; Notes/errata: June & August 2010; Kit(s): Altronics K2553 High-Performance Microphone Preamplifier SC 01109101, EPE 859 September 2010Nicholas Vinen; Notes/errata: November 2010; Kit(s): Altronics K5514 Build A Hearing Loop Receiver SC 01209101, EPE 865 September 2010John Clarke; Notes/errata: October 2010; Kit(s): Altronics K5547, Jaycar KC5497 A High-Quality DAB /FM Tuner, Pt.1 SC 01110101/01110102 October 2010Mauro Grassi; Notes/errata: November & December 2010, May 2011Kit(s): Jaycar KC5491 Two Toslink-S/PDIF Audio Converters To Build SC 01210101/01210102, EPE 868/869 October 2010Nicholas Vinen; Kit(s): Altronics K5174/K5175 Build A Hearing Loop Level Meter SC 01111101 November 2010John Clarke A High-Quality DAB /FM Tuner, Pt.2 SC 01110101/01110102 November 2010Mauro Grassi; Notes/errata: November & December 2010, May 2011Kit(s): Jaycar KC5491 A High-Quality DAB /FM Tuner, Pt.3 SC 01110101/01110102 December 2010Mauro Grassi; Notes/errata: November & December 2010, May 2011Kit(s): Jaycar KC5491 Build A Hearing Loop Level Meter, Pt.2 SC 01111101 December 2010John Clarke Hearing Loop Signal Conditioner SC 01101111 January 2011John Clarke; Notes/errata: January 2012 Microphone To Neck Loop Coupler For Hearing Aids SC 01209101/01209102 March 2011John Clarke Portable Headphone Amplifier For MP3 Players SC 01104111 April 2011Nicholas Vinen; Kit(s): Altronics K5508 Fixing Transformer Buzz In The Class-A Amplifier SC 01105074 April 2011Leo Simpson; Notes/errata: Ref project May-September 2007 Cheap’n’Simple 100V Speaker/Line Checker SC 04104111 April 2011Ross Tester The Sport Sync Audio Delay Module SC 011051Nicholas Vinen USB Stereo Recording & Playback Interface SC 07106111 June 2011Jim Rowe; Notes/errata: July 2011 Ultra-LD Mk.3 200W Amplifier Module SC 01107111 July 2011Nicholas Vinen; Notes/errata: June 2012; Kit(s): Altronics K5154 (amp module) Build A Voice-Activated Relay (VOX) SC 01207111 July 2011John Clarke; Kit(s): Altronics K5542 An Electronic Stethoscope SC 01108111 August 2011John Clarke Ultra-LD Mk.3 200W Amplifier Module, Pt.2 SC 01107111 August 2011Nicholas Vinen; Notes/errata: June 2012; Kit(s): Altronics K5154 (amp module) High-Performance Stereo Headphone Amplifier, Pt.1 SC 01309111 September 2011Nicholas Vinen Ultra-LD Mk.3 200W Amplifier Module, Pt.3 SC 01107111 September 2011Nicholas Vinen; Notes/errata: June 2012; Kit(s): Altronics K5154 (amp module) Upgrading An Ultra-LD Mk.2 Amplifier To Mk.3 Standard SC 01209111 September 2011Nicholas Vinen Build A Loudspeaker Protector SC 01207071 October 2011Silicon Chip; Kit(s): Altronics K5167 Measuring Audio Gear Without Spending Big Dollars October 2011Jim Rowe High-Performance Stereo Headphone Amplifier, Pt.2 SC 01309111 October 2011Nicholas Vinen Ultra-LD Stereo Preamplifier & Input Selector, Pt.1 November 2011SC 01111111/01111112/01111113John Clarke & Greg Swain; Kit(s): Altronics K5164/K5169 Digital Audio Delay For Perfect Lip Sync SC 01212111 December 2011Nicholas Vinen; Notes/errata: January 2012; Kit(s): Jaycar KC5506 Ultra-LD Stereo Preamplifier & Input Selector, Pt.2 December 2011SC 01111111/01111112/01111113John Clarke & Greg Swain; Kit(s): Altronics K5164/K5169 A Stereo Audio Compressor SC 01201121 January 2012John Clarke; Kit(s): Altronics K5526, Jaycar KC5507 3-Input Stereo Audio Switcher SC 01101121/01101122 January 2012John Clarke & Greg Swain Crystal DAC: A High-Performance Upgrade SC 01102121 February 2012Nicholas VInen; Notes/errata: June & July 2012 Ultra-LD Mk.3 135W/Channel Stereo Amplifier, Pt.1 March 2012SC 01107111/01109111/01111111/01111112/01111113Greg Swain; Kit(s): Altronics K5165 (complete) / K5154 (amp module) / K5164 (input selector) / K5166 (chassis) / K5167 (speaker protector) / K5168 (power supply) / K5169 (preamp) / MC5540 (transformer) Ultra-LD Mk.3 135W/Channel Stereo Amplifier, Pt.2 April 2012SC 01107111/01109111/01111111/01111112/01111113Greg Swain; Kit(s): Altronics K5165 (complete) / K5154 (amp module) / K5164 (input selector) / K5166 (chassis) / K5167 (speaker protector) / K5168 (power supply) / K5169 (preamp) / MC5540 (transformer) Ultra-LD Mk.3 135W/Channel Stereo Amplifier, Pt.SC 01107111/01109111/01111111/01111112/01111113Nicholas Vinen; Kit(s): Altronics K5165 (complete) / K5154 (amp module) / K5164 (input selector) / K5166 (chassis) / K5167 (speaker protector) / K5168 (power supply) / K5169 (preamp) / MC5540 (transformer) Mix-It: An Easy-To Build 4-Channel Mixer SC 01106121 June 2012Nicholas Vinen; Notes/errata: August 2012 Digital Sound Effects Generator SC 09109121 September 2012Nicholas Vinen; Notes/errata: June 2013 LED Musicolour: Light Up Your Music, Pt.1 SC 16110121/16110122/16110123 October 2012Nicholas Vinen; Kit(s): Altronics K5804 High-Power Class-D Audio Amplifier, Pt.1 SC 01108121/01108122 November 2012John Clarke; Notes/errata: December 2012, January 2013Kit(s): Altronics K5181/K5182, Jaycar KC5514/5515 CLASSIC-D Speaker Protector SC 01108122 November 2012John Clarke LED Musicolour: Light Up Your Music, Pt.2 SC 16110121/16110122/16110123 November 2012Nicholas Vinen; Kit(s): Altronics K5804 High-Power Class-D Audio Amplifier, Pt.2 December 2012SC 01108121/01108122 (power supply SC 01109111)John Clarke; Notes/errata: December 2012, January 2013Kit(s): Altronics K5181/K5182, Jaycar KC5514/5515 CLASSIC-D Amplifier Power Supply SC 01109111 December 2012John Clarke The Champion Preamp/Audio Amplifier Module SC 01109121/01109122 January 2013Nicholas Vinen; Kit(s): Jaycar KC5519 Altronics K6044 (preamp)/K6066 (amp) Performance Tweak For The Ultra-LD Mk.3 Amplifier January 2013Leo Simpson High Performance CLASSi C DAC; Pt.1 SC 01102131/01102132/01102133 February 2013Nicholas Vinen; Notes/errata: August & September 2013; Kit(s): None High Performance CLASSi C DAC; Pt.2 SC 01102131/01102132/01102133 March 2013Nicholas Vinen; Notes/errata: August & September 2013 Infrasound Detector For Low Frequency Measurements March 2013Kit(s): Champ and Pre-champ available from Jaycar & Altronics Allan Linton-Smith & Ross Tester High-Performance CLASSi C DAC; Pt.3 SC 01102131/01102132/01102133 April 2013Nicholas Vinen; Notes/errata: August & September 2013 DC-DC Converter For the CLASSi C-D Amplifier SC 111041John Clarke High-Performance CLASSi C DAC; Pt.4 SC 01102131/01102132/011021Nicholas Vinen; Notes/errata: August & September 2013 A "Lump-In-The-Coax" Mini Audio Mixer SC 01106131 June 2013Nicholas Vinen & Ross Tester DIY Wireless Audio Streaming July 2013Nicholas Vinen "Tiny Tim" Horn-Loaded Speaker System October 2013Allan Linton-Smith & Ross Tester "Tiny Tim" 10W/Channel Stereo Amplifier, Pt.1 SC 01309111 October 2013Nicholas Vinen & Leo Simpson Dual-Channel Audio Delay For PA Systems SC 01110131 November 2013Nicholas Vinen Si DRADIO: Integrated SDR With DVB-T Dongle, Pt.2 SC 06109131/06109132/06109133 November 2013Jim Rowe Porta PAL-D: A Powerful, Portable PA System, Pt.1 SC 01111131/01111132/01111133 December 2013John Clarke "Tiny Tim" 10W/Channel Stereo Amplifier, Pt.2 SC 01309111/18110131 December 2013Leo Simpson & Nicholas Vinen Bass Extender Mk2 For Hi Fi Systems SC 01112131 January 2014Nicholas Vinen Porta PAL-D: A Powerful, Portable PA System, Pt.2 SC 01111131/01111132/01111133 January 2014John Clarke "Tiny Tim" 10W/Channel Stereo Amplifier, Pt.3 January 2014Nicholas Vinen & Leo Simpson Stereo Echo & Reverberation Unit SC 01110131 February 2014Nicholas Vinen Build A State-of-the-Art Mini Entertainment Unit SC 18112111 February 2014Leo Simpson Porta PAL-D: A Powerful, Portable PA System, Pt.3 SC 01111131/01111132/01111133 February 2014John Clarke The Majestic Loudspeaker System SC 01205141 June 2014Allan Linton-Smith 2-Way Passive Loudspeaker Crossover Network SC 01205141 June 2014Nicholas Vinen Touch-Screen Digital Audio Recorder, Pt.1 SC 01105141 June 2014Andrew Levido; Kit(s): Altronics K5530 Touch-Screen Digital Audio Recorder, Pt.2 SC 01105141 July 2014Andrew Levido; Kit(s): Altronics K5530 Nirvana Valve Sound Simulator SC 01106141/01106142 August 2014John Clarke Mini-D Stereo 10W/Channel Class-D Audio Amplifier SC 01110141 September 2014Nicholas Vinen; Kit(s): Jaycar KC5530 An Improved Tweeter Horn For The Majestic Loudspeaker September 2014Allan Linton-Smith & Leo Simpson Currawong Stereo Valve Amplifier: A Preview SC 01111141/2/3/4 October 2014Leo Simpson & Nicholas Vinen; Kit(s): Altronics K5528, K5529 Passive Direct Injection (DI) Box SC 23111141 October 2014John Clarke Currawong 2 x 10W Stereo Valve Amplifier, Pt.1 SC 01111141/2/3/4 November 2014Nicholas Vinen; Kit(s): Altronics K5528, K5529 One-Chip 2 x 5W Mini Stereo Amplifier SC 01109141 November 2014Nicholas Vinen Currawong 2 x 10W Stereo Valve Amplifier, Pt.2 SC 01111141/2/3/4 December 2014Nicholas Vinen; Kit(s): Altronics K5528, K5529 The Currawong 2 x 10W Stereo Valve Amplifier, Pt.3 SC 01111141/2/3/4 January 2015Nicholas Vinen; Kit(s): Altronics K5528, K5529 Build A Low-Frequency Distortion Analyser SC 04104151 April 2015Nicholas Vinen Audio Signal Injector & Tracer 04106151/3 June 2015John Clarke; Kit(s): Altronics K2547 (does not include RF probe) The Multi-Role Champion Preamplifier SC 01109121 June 2015Leo Simpson; Kit(s): Jaycar KC5531 Ultra-LD Mk.4 200W RMS Power Amplifier: Preview SC 01107151 July 2015Nicholas Vinen Ultra-LD Mk.4 200W RMS Power Amplifier, Pt.1 SC 01107151 August 2015Nicholas Vinen Senator: 10-Inch Bass Reflex Loudspeakers SC 01205141 September 2015Design by Allan Linton-Smith, words by Leo Simpson Ultra-LD Mk.4 200W RMS Power Amplifier, Pt.2 SC 01107151 September 2015Nicholas Vinen Ultra-LD Mk.4 Power Amplifier, Pt.3: 110W Version SC 01107151 October 2015Nicholas Vinen 2-Way Crossover For Senator 10-Inch Loudspeakers SC 01205141 October 2015Leo Simpson A Universal Loudspeaker Protector 01110151 November 2015Nicholas Vinen Valve Stereo Preamplifier For Hi Fi Systems SC 01101161 January 2016Nicholas Vinen; Kit(s): Altronics K5192 Valve Stereo Preamplifier For Hi Fi Systems, Pt.2 SC 01101161 February 2016Nicholas Vinen; Kit(s): Altronics K5192 Budget Senator 2-Way Loudspeaker System SC 012051Allan Linton-Smith 230/115VAC, 50/60Hz Precision Turntable Driver SC 041041John Clarke Stereo Audio Level/VU Meter: Add Bling To Hi Fi System SC 01104161 June 2016Nicholas Vinen Budget Senator 2-Way Loudspeaker System, Pt.2 SC 01205141 June 2016Allan Linton-Smith Stereo LED Audio Level/VU Meter, Pt.2 SC 01104161 July 2016Nicholas Vinen A New Transformer For The Currawong Valve Amplifier; Kit(s): Altronics MA5399 October 2016Leo Simpson Passive Line To Phono Input Converter 01111161 November 2016Nicholas Vinen & Bao Smith Voltage/Current Reference With Touchscreen, Pt.2 SC 04110161 December 2016Nicholas Vinen; Kit(s): SILICON CHIP short form kit New SC200 Audio Amplifier SC 01108161, 01109111 January 2017Nicholas Vinen & Leo Simpson New SC200 Audio Amplifier – Part 2 SC 01108161, 01109111 February 2017Nicholas Vinen; Kit(s): New SC200 Audio Amplifier - Part 3 SC 01108161, 01109111 March 2017Nicholas Vinen New Spring Reverberation Unit SC 01104171 April 2017Nicholas Vinen All-new 10-Octave Stereo Graphic Equaliser, Part 1 SC 01105171/2 June 2017John Clarke We put the VS1053 Arduino shield to work; Kit(s): SC4315 July 2017Bao Smith Completing our new Graphic Equaliser SC 01105171/2 July 2017John Clarke Fully adjustable, 3-way active loudspeaker crossover Pt.1 SC 01108171/2/3 September 2017John Clarke 3-way Active Crossover for speakers, Part 2 SC 01108171 October 2017John Clarke Dipole Loudspeaker System November 2017Allan Linton-Smith Build your own Super-7 AM Radio Receiver – Part 2 SC 06111171 December 2017John Clarke; Notes/errata: December 2017; Kit(s): SC4473 The Arduino Mega Box Music Player revisited February 2018Kit(s): Altronics K9670 (Mega Box)Bao Smith ----------------------------------------------------------------------------------------------02 TV/VIDEO High-Performance UHF Antenna SC 210188 January 1988Leo Simpson & Bob Flynn Booster for TV & FM Signals OE12 & SC 0210788 July 1988Branco Justic The Gladesville Ga As Fet Amplifier October 1989'Big Julie' Kentwell, VK2XBR Remote Control Extender For VCRs SC 15108901 September 1990John Clarke & Greg Swain; Notes/errata: March 1991 A Corner Reflector Antenna For UHF TV SC 02106911 June 1991Bob Flynn & Leo Simpson Masthead Amplifier For TV & FM SC 02107911 August 1991John Clarke & Greg Swain Build A Colour TV Pattern Generator, Pt.1 SC 02210911 November 1991John Clarke; See Replacement Circuit For TEA2000: March 1997Kit(s): Altronics, DSE, Jaycar TV Transmitter For UHF VCRs SC 02212911 December 1991John Clarke Build A Colour TV Pattern Generator, Pt.2 SC 02210911 December 1991John Clarke; See Replacement Circuit For TEA2000: March 1997Kit(s): Altronics, DSE, Jaycar TV Transmitter For VHF VCRs SC 02212911/02204921 March 1992John Clarke; Notes/errata: May 1992 Video Switcher For Camcorders & VCRs SC 02206921 June 1992John Clarke; Notes/errata: July 1992, September 1992 Low-Cost Audio Mixer For Camcorders SC 01112921 March 1993Darren Yates; Notes/errata: April 1993 Low-Cost Colour Video Fader SC 02107931 August 1993Darren & Gary Yates; Notes/errata: September 1993; Kit(s): DSE Intelligent IR Remote Controller IRJ201 March 1994Ben Douchkov; Kit(s): Benetron Remote Control Extender For VCRs SC 15303941 April 1994John Clarke; Notes/errata: June 1994; Kit(s): Altronics, Jaycar Multi-Channel Infrared Remote Control SC 15105941/151059Brian Roberts; Notes/errata: March 1995 Build A 4-Bay Bow-Tie UHF Antenna July 1994Leo Simpson & Bob Flynn; Notes/errata: September 1994 Dolby Pro-Logic Surround Sound Decoder; Pt.1 SC 02311941 December 1994John Clarke; Kit(s): Jaycar Dolby Pro-Logic Surround Sound Decoder; Pt.2 SC 02311941 January 1995John Clarke; Kit(s): Jaycar Build A Satellite TV Receiver; Pt.2 SC 02305951 June 1995John Clarke; Kit(s): Av-Comm A Low-Cost Video Security System; Kit(s): Oatley Electronics June 1995Leo Simpson Satellite TV Receiver; Pt.3: Setting Up A Ground Station SC 02305951 July 1995Garry Cratt; Kit(s): Av-Comm Dolby Pro Logic Surround Sound Decoder, Mk.2 November 1995SC 01409951/01409952/01409953/01409954/01409955John Clarke; Notes/errata: January 1996, February 1996; Kit(s): Jaycar exclusive Dolby Pro Logic Surround Sound Decoder, Mk.2; Pt.2 December 1995SC 01409951/01409952/01409953/01409954/01409955John Clarke; Notes/errata: January 1996, February 1996; Kit(s): Jaycar exclusive Surround Sound Mixer & Decoder; Pt.1 SC 02302961/02302962/02302963 January 1996John Clarke Surround Sound Mixer & Decoder; Pt.2 SC 02302961/02302962/02302963 February 1996John Clarke A High-Performance Stereo Simulator SC 01406961 June 1996John Clarke; Notes/errata: September 1996; Kit(s): Altronics K5950 Remote Control Extender For VCRs SC 15107961 July 1996Rick Walters; Notes/errata: September 2002; Kit(s): Jaycar KC5209 Portable Masthead Amplifier For TV & FM; Kit(s): Oatley Electronics August 1996Branco Justic Send Video Signals Over Twister Pair Cable October 1996SC 0230696102306962/02306963/02306964John Clarke; Notes/errata: December 1996; Kit(s): Altronics, Jaycar RGB-To-PAL Encoder For The TV Pattern Generator SC 02302971 March 1997John Clarke Build A TV Picture-In-Picture (PIP) Unit SC 02302971 April 1997John Clarke; Kit(s): Oatley Electronics A Teletext Decoder For Your PC; Kit(s): Current Dynamics May 1997Chris Schach & Braden Phillips NTSC-PAL Converter SC 023039John Clarke; Kit(s): Jaycar KC5223 Colour TV Pattern Generator; Pt.1 SC 02305971 June 1997John Clarke; Notes/errata: October 1997Kit(s): Altronics K2715, DSE K7380, Jaycar KC5224 Colour TV Pattern Generator; Pt.2 SC 02305971 July 1997John Clarke; Notes/errata: October 1997Kit(s): Altronics K2715, DSE K7380, Jaycar KC5224 A Video Security System For Your Home; Kit(s): Oatley Electronics September 1997Branco Justic Pan Controller For CCD Video Cameras; Kit(s): Oatley Electronics January 1998Branco Justic An Audio-Video Transmitter SC 02405991 July 1999John Clarke; Notes/errata: September 1999, February 2001Kit(s): Altronics K5865, Jaycar KC5272 An Audio-Video Test Generator SC 04101001 January 2000Leon Williams; Kit(s): Altronics K2718, DSE, Jaycar A Home Satellite TV System; Kit(s): Av-Comm (no longer available) July 2000Garry Cratt & Ross Tester I Spy With My Little Eye Cavity Camera; Kit(s): Oatley Electronics October 2000Ross Tester 2-Metre Elevated Groundplane Antenna February 2001Philip Watson Dr Video: An Easy-To-Build Video Stabiliser SC 02104011 April 2001Jim Rowe; Kit(s): Jaycar Li'l Snooper: A Low Cost Camera Switcher SC 02106011 June 2001Jim Rowe; Kit(s): Altronics K5842, Jaycar A Video Microscope From Scrounged Parts October 2001Peter Rosenthal & Ross Tester A Low-Cost Audio/Video Distribution Amplifier SC 02111011 November 2001Jim Rowe; Notes/errata: December 2001, April 2002, June 2002Kit(s): Jaycar KC5320 A 2.4GHz High-Power Audio-Video Link; Kit(s): Oatley Electronics February 2002Ross Tester Video-Audio Booster For Home Theatre Systems SC 02104031, EPE 558 April 2003Jim Rowe; Kit(s): Jaycar KC5350/KC5351 2.4GHz Audio/Video Link; Kit(s): Oatley Electronics January 2004Ross Tester Component Video To RGB Converter SC 021040Jim Rowe; See also Circuit Notebook August 2004 & August 2005Kit(s): Jaycar KC5388 Dr Video Mk.2: An Even Better Video Stabiliser SC 02106041 June 2004Jim Rowe; See also Circuit Notebook July 2004 & July 2005Kit(s): Jaycar KC5390 Video Enhancer & Y/C Separator SC 02108041 August 2004Jim Rowe; Kit(s): Jaycar KC5394 RGB To Component Video Converter SC 07209041, EPE 596 October 2004Jim Rowe; Notes/errata: February 2005; Kit(s): Jaycar KC5398 Video Reading Aid For Vision Impaired People SC 02110051, EPE 624 October 2005Jim Rowe 4-Channel Audio/Video Selector SC 02104061, EPE 676 April 2006Jim Rowe Pocket A/V Test Pattern Generator; Kit(s): Altronics K2725 June 2006Mick Gergos Build A 2.4GHz Wireless A/V Link; Kit(s): Oatley Electronics K229 June 2006Ross Tester S-Video To Composite Video Converter SC 02109061, EPE 684 September 2006Jim Rowe Infrared Remote Control Extender SC 02110061 October 2006John Clarke; See also Circuit Notebook July 2010Kit(s): Jaycar KC5432 Infrared Audio Headphone Link For TV SC 01112071/01112072, EPE 708/709 December 2007Jim Rowe A Speed Controller For Film Projectors SC 13104111 April 2011John Clarke CGA-To-VGA Video Converter 21-01101-01 February 2015Ewan Wordsworth ; Kit(s): Microbee Technology ( 6-Element VHF TV Yagi to kill UHF 4G interference February 2018Leo Simpson Analog Audio/Video Modulator for Vintage TV sets SC 02104181 March 2018Ian Robertson ----------------------------------------------------------------------------------------------03 SECURITY, BURGLAR ALARMS, SAFETY, ETC Passive Infrared Movement Detector December 1987Branco Justic; Notes/errata: June 1988 Protector Car Burglar Alarm SC 3-1-0188 February 1988John Clarke; Notes/errata: August 1988 Build the Door Minder SC 03-2-188 February 1988Leo Simpson & John Clarke; See also Circuit Notebook April 1989 Remote Switch For Car Burglar Alarms SC 03-1-288-3 March 1988John Clarke; Notes/errata: June, July, August, September, October 1988 Ultrasonic Car Burglar Alarm OE1Branco Justic Automatic Light Controller June 1988Branco Justic Fit a Fuel Cut-Off Solenoid to Your Car July 1988Greg Swain Remote Controlled Chimes Unit SC 0312882 August 1988John Clarke & Greg Swain; Notes/errata: September, October 1988 The LED-Light House Number SC 03-1-0988-1 October 1988John Clarke & Leo Simpson Build a Car Safety Light SC 05-1-1088-1 November 1988John Clarke; See also Circuit Notebook February 1989 Ultrasonic Proximity Detector for Cars SC 05102891 January 1989John Clarke & Greg Swain; Notes/errata: March 1989 Flasher Circuit For Auxiliary Brake Lights SC 05104891 April 1989Bob Flynn & Greg Swain; See Ask SC Dec 89 for 6V modification Exhaust Gas Monitor For Cars & Vans SC 05107891 July 1989Bob Flynn & Leo Simpson Compact Ultrasonic Car Burglar Alarm; Kit(s): Oatley July 1989Greg Swain; Notes/errata: October 1989 Alarm-Triggered Telephone Dialler ZA-1430 September 1989Greg Swain; Notes/errata: March 1990; Kit(s): DSE Easy To Build UHF Remote Switch ZA-1518 December 1989Greg Swain; Notes/errata: January 1994; Kit(s): DSE Multi-Sector Home Burglar Alarm ZA-1452/ZA-1453 June 1990Greg Swain; Kit(s): DSE K8400/K8401 A Speed Alarm For Your Car PGOSA 10/89 June 1990Peter Gray; Kit(s): Novocastrian Electronics Alarm Keypad & Combination Lock ZA-1450 / ZA-1451 July 1990Greg Swain; Kit(s): DSE K8403 Low Cost Siren For Burglar Alarms; Kit(s): Oatley Electronics October 1990Leo Simpson Versatile 4-Digit Combination Lock; Kit(s): Altronics K1925 December 1990Gary Ioppolo Build A Two-Tone Alarm Module SC 08111901 January 1991Darren Yates; Kit(s): Jaycar Ultrasonic Switch For Mains Appliances ACT ONE September 1991Jeff Monegal; Kit(s): CTOAN Electronics Flashing Alarm Light For Cars; Kit(s): DSE November 1991Syd Mc Kitrick Build An Infrared Light Beam Relay SC 03112911 December 1991Darren Yates; Notes/errata: March 1992, September 1992; Kit(s): Jaycar A Low-Cost Electronic Doorbell SC 031069Darren Yates A Multi-Sector Home Burglar Alarm; Pt.1; Kit(s): Mike Zenere September 1992Mike Zenere A Multi-Sector Home Burglar Alarm; Pt.2; Kit(s): Mike Zenere October 1992Mike Zenere An Infrared Night Viewer; Kit(s): Oatley Electronics November 1992Branko Justic An Easy-To-Build UHF Remote Switch; Kit(s): Oatley Electronics December 1992Greg Swain A Low Fuel Indicator For Your Car SC 05203931 February 1993John Clarke & Greg Swain; Kit(s): DSE An Alarm-Triggered Security Camera SC 03103931/03103932 March 1993Tony Nixon A Solar-Powered Electric Fence; Kit(s): Oatley Electronics April 1993Branco Justic; Notes/errata: January 1994 Build The Woofer Stopper SC 031059Darren Yates; Notes/errata: June 1993 Remote Control For The Woofer Stopper SC 03105932 June 1993Darren Yates; Kit(s): Oatley Electronics Light Beam Relay Extender SC 03106931 July 1993Darren Yates UHF Radio Alarm Pager OE93/PAGER November 1994Branco Justic; Kit(s): Oatley Electronics An Easy-To-Build Car Burglar Alarm ZA1287 December 1994Bernie Gilchrist; Kit(s): DSE K4312/K4314 A Dual Channel UHF Remote Control ZA1307 January 1995Bernie Gilchrist; Kit(s): DSE K3260 IR Illuminator For CCD Cameras & Night Viewers; Kit(s): Oatley Electronics March 1995Branco Justic A Low-Cost Video Security System; Kit(s): Oatley Electronics June 1995Leo Simpson Build A Reliable Door Minder SC 03107951 July 1995Rick Walters; Kit(s): Jaycar Build A 6-12V Alarm Screamer Module; Kit(s): DIY Electronics Kit 15 August 1995Leo Simpson Build A Keypad Combination Lock; Kit(s): Oatley Electronics September 1995Jeff Monegal Build A Low-Cost PIR Movement Detector; Kit(s): Oatley Electronics November 1995Conrad Marder Build An Engine Immobiliser For Your Car SC 05310951 December 1995John Clarke; Notes/errata: December 1996; Kit(s): Altronics, Jaycar Build A Magnetic Card Reader & Display; Kit(s): Mike Zenere January 1996Mike Zenere Fit A Kill Switch To Your Smoke Detector; Kit(s): BS170 from Farnell February 1996Rick Walters Low Cost Multi-Tone Dashboard Alarm February 1996Julian Edgar Woofer Stopper Mk 2 - Now It's Even Better!