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Contents Vol.18, No.12; December 2005 www.siliconchip.com.au FEATURES 22 Car Sound On The Cheap; Pt.2 Buying the amplifier and subwoofer and the wiring options – by Julian Edgar 40 The Microbric Viper No soldering required: all you need is a screwdriver to build this state-of-theart programmable robot and all the bits are reusable – by Ross Tester 61 Excellence In Education Technology Awards Universal High-Energy Ignition System – Page 30. SILICON CHIP’s new awards for electronics technology in education PROJECTS TO BUILD    8 Building The Ultimate Jukebox; Pt.1 This Jukebox won’t eat up your $2 coins but gives you all the features you want. You build it using a computer, an amplifier module and a speaker, plus some specialised jukebox software – by Ross Tester 30 Universal High-Energy Ignition System; Pt.1 It works with a variety of trigger inputs and uses a PIC microcontroller to control the switching transistor – by John Clarke 62 Remote LED Annunciator For Queue Control Got a queue situation? This project will stop the arguments and punch-ups by ensuring that people are served in their turn – by Jim Rowe 72 Build A MIDI Drum Kit; Pt.2 It offers a staggering 546 drum sounds and there’s not a stretched skin in sight! Here’s how to build the control unit – by John Clarke The Microbric Viper – Page 40. 85 433MHz Wireless Data Communication Want to get your Picaxe talking without wires? We show you how to use Jaycar’s dirt cheap 433MHz UHF data modules, plus there’s a 433MHz Yagi antenna to build – by Stan Swan 96 PIC In-Circuit Programming Add-On Adaptor What, no in-circuit programming facility on your PIC Programmer? Here’s how you can add this useful feature – by Keith Anderson SPECIAL COLUMNS 44 Circuit Notebook (1) Solar Hot Water Differential Pump Controller; (2) The Mystery Swinger; (3) Clap-Controlled Switch 48 Serviceman’s Log Remote LED Annunciator For Queue Control – Page 62. Diagnostic codes: help or hindrance? – by the TV Serviceman 82 Salvage It! So you’ve scrounged a VCR? Let’s salvage the good bits – by Julian Edgar 98 Vintage Radio Ray Kelly and the Historical Radio Society of Aust. – by Rodney Champness DEPARTMENTS   2   4 92 103 Publisher’s Letter Mailbag Product Showcase Order Form siliconchip.com.au 106 108 110 111 Ask Silicon Chip Notes & Errata Market Centre Ad Index 433MHz Data Communications For Your Picaxe – Page 85. December 2005  1