Silicon ChipContents - January 2012 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: Australia's energy needs are in the hands of the clowns
  4. Feature: Arduino: What’s All The Fuss About? by Jonathan Oxer
  5. Project: A Stereo Audio Compressor by John Clarke
  6. Project: Build A Simple AM Radio by John Clarke
  7. Project: Dorji 433MHz Wireless Data Modules by Stan Swan
  8. Project: 3-Input Stereo Audio Switcher by John Clarke & Greg Swain
  9. Feature: Playing USB-Stick & SD/MMC Card Music Without A PC by Ross Tester
  10. Vintage Radio: The AWA PA1002 50W Valve PA Amplifier by Rodney Champness
  11. Book Store
  12. Market Centre
  13. Advertising Index
  14. Outer Back Cover

This is only a preview of the January 2012 issue of Silicon Chip.

You can view 26 of the 104 pages in the full issue, including the advertisments.

For full access, purchase the issue for $10.00 or subscribe for access to the latest issues.

Items relevant to "A Stereo Audio Compressor":
  • Stereo Audio Compressor PCB [01201121] (AUD $15.00)
  • Stereo Audio Compressor front & rear panels [0120112P1/2] (PCB, AUD $15.00)
  • Stereo Audio Compressor PCB pattern (PDF download) [01201121] (Free)
  • Stereo Audio Compressor front & rear panel artwork (PNG download) [01201122/3] (Free)
Items relevant to "Build A Simple AM Radio":
  • AM Radio PCB [06101121] (AUD $10.00)
  • AM Radio PCB pattern (PDF download) [06101121] (Free)
  • AM Radio panels artwork (PDF download) (Panel Artwork, Free)
Articles in this series:
  • Amateur Radio (November 1987)
  • Amateur Radio (November 1987)
  • Amateur Radio (December 1987)
  • Amateur Radio (December 1987)
  • Amateur Radio (February 1988)
  • Amateur Radio (February 1988)
  • Amateur Radio (March 1988)
  • Amateur Radio (March 1988)
  • Amateur Radio (April 1988)
  • Amateur Radio (April 1988)
  • Amateur Radio (May 1988)
  • Amateur Radio (May 1988)
  • Amateur Radio (June 1988)
  • Amateur Radio (June 1988)
  • Amateur Radio (July 1988)
  • Amateur Radio (July 1988)
  • Amateur Radio (August 1988)
  • Amateur Radio (August 1988)
  • Amateur Radio (September 1988)
  • Amateur Radio (September 1988)
  • Amateur Radio (October 1988)
  • Amateur Radio (October 1988)
  • Amateur Radio (November 1988)
  • Amateur Radio (November 1988)
  • Amateur Radio (December 1988)
  • Amateur Radio (December 1988)
  • Amateur Radio (January 1989)
  • Amateur Radio (January 1989)
  • Amateur Radio (April 1989)
  • Amateur Radio (April 1989)
  • Amateur Radio (May 1989)
  • Amateur Radio (May 1989)
  • Amateur Radio (June 1989)
  • Amateur Radio (June 1989)
  • Amateur Radio (July 1989)
  • Amateur Radio (July 1989)
  • Amateur Radio (August 1989)
  • Amateur Radio (August 1989)
  • Amateur Radio (September 1989)
  • Amateur Radio (September 1989)
  • Amateur Radio (October 1989)
  • Amateur Radio (October 1989)
  • Amateur Radio (November 1989)
  • Amateur Radio (November 1989)
  • Amateur Radio (December 1989)
  • Amateur Radio (December 1989)
  • Amateur Radio (February 1990)
  • Amateur Radio (February 1990)
  • Amateur Radio (March 1990)
  • Amateur Radio (March 1990)
  • Amateur Radio (April 1990)
  • Amateur Radio (April 1990)
  • Amateur Radio (May 1990)
  • Amateur Radio (May 1990)
  • Amateur Radio (June 1990)
  • Amateur Radio (June 1990)
  • Amateur Radio (July 1990)
  • Amateur Radio (July 1990)
  • The "Tube" vs. The Microchip (August 1990)
  • The "Tube" vs. The Microchip (August 1990)
  • Amateur Radio (September 1990)
  • Amateur Radio (September 1990)
  • Amateur Radio (October 1990)
  • Amateur Radio (October 1990)
  • Amateur Radio (November 1990)
  • Amateur Radio (November 1990)
  • Amateur Radio (December 1990)
  • Amateur Radio (December 1990)
  • Amateur Radio (January 1991)
  • Amateur Radio (January 1991)
  • Amateur Radio (February 1991)
  • Amateur Radio (February 1991)
  • Amateur Radio (March 1991)
  • Amateur Radio (March 1991)
  • Amateur Radio (April 1991)
  • Amateur Radio (April 1991)
  • Amateur Radio (May 1991)
  • Amateur Radio (May 1991)
  • Amateur Radio (June 1991)
  • Amateur Radio (June 1991)
  • Amateur Radio (July 1991)
  • Amateur Radio (July 1991)
  • Amateur Radio (August 1991)
  • Amateur Radio (August 1991)
  • Amateur Radio (September 1991)
  • Amateur Radio (September 1991)
  • Amateur Radio (October 1991)
  • Amateur Radio (October 1991)
  • Amateur Radio (November 1991)
  • Amateur Radio (November 1991)
  • Amateur Radio (January 1992)
  • Amateur Radio (January 1992)
  • Amateur Radio (February 1992)
  • Amateur Radio (February 1992)
  • Amateur Radio (March 1992)
  • Amateur Radio (March 1992)
  • Amateur Radio (July 1992)
  • Amateur Radio (July 1992)
  • Amateur Radio (August 1992)
  • Amateur Radio (August 1992)
  • Amateur Radio (September 1992)
  • Amateur Radio (September 1992)
  • Amateur Radio (October 1992)
  • Amateur Radio (October 1992)
  • Amateur Radio (November 1992)
  • Amateur Radio (November 1992)
  • Amateur Radio (January 1993)
  • Amateur Radio (January 1993)
  • Amateur Radio (March 1993)
  • Amateur Radio (March 1993)
  • Amateur Radio (May 1993)
  • Amateur Radio (May 1993)
  • Amateur Radio (June 1993)
  • Amateur Radio (June 1993)
  • Amateur Radio (July 1993)
  • Amateur Radio (July 1993)
  • Amateur Radio (August 1993)
  • Amateur Radio (August 1993)
  • Amateur Radio (September 1993)
  • Amateur Radio (September 1993)
  • Amateur Radio (October 1993)
  • Amateur Radio (October 1993)
  • Amateur Radio (December 1993)
  • Amateur Radio (December 1993)
  • Amateur Radio (February 1994)
  • Amateur Radio (February 1994)
  • Amateur Radio (March 1994)
  • Amateur Radio (March 1994)
  • Amateur Radio (May 1994)
  • Amateur Radio (May 1994)
  • Amateur Radio (June 1994)
  • Amateur Radio (June 1994)
  • Amateur Radio (September 1994)
  • Amateur Radio (September 1994)
  • Amateur Radio (December 1994)
  • Amateur Radio (December 1994)
  • Amateur Radio (January 1995)
  • Amateur Radio (January 1995)
  • CB Radio Can Now Transmit Data (March 2001)
  • CB Radio Can Now Transmit Data (March 2001)
  • What's On Offer In "Walkie Talkies" (March 2001)
  • What's On Offer In "Walkie Talkies" (March 2001)
  • Stressless Wireless (October 2004)
  • Stressless Wireless (October 2004)
  • WiNRADiO: Marrying A Radio Receiver To A PC (January 2007)
  • WiNRADiO: Marrying A Radio Receiver To A PC (January 2007)
  • “Degen” Synthesised HF Communications Receiver (January 2007)
  • “Degen” Synthesised HF Communications Receiver (January 2007)
  • PICAXE-08M 433MHz Data Transceiver (October 2008)
  • PICAXE-08M 433MHz Data Transceiver (October 2008)
  • Half-Duplex With HopeRF’s HM-TR UHF Transceivers (April 2009)
  • Half-Duplex With HopeRF’s HM-TR UHF Transceivers (April 2009)
  • Dorji 433MHz Wireless Data Modules (January 2012)
  • Dorji 433MHz Wireless Data Modules (January 2012)
Items relevant to "3-Input Stereo Audio Switcher":
  • 3-Input Audio Selector (Set of 2 PCBs) [01101121/2] (AUD $30.00)
  • PIC16F88-I/P programmed for the 3-Input Stereo Audio Switcher [0111211A.HEX] (Programmed Microcontroller, AUD $15.00)
  • Firmware HEX file and ASM source code for the 3-Input Switcher [0111211A] (Software, Free)
  • 3-Input Stereo Audio Selector Main PCB pattern (PDF download) [01101121] (Free)
  • 3-Input Stereo Audio Selector Switch PCB pattern (PDF download) [01101122] (Free)
Items relevant to "Playing USB-Stick & SD/MMC Card Music Without A PC":
  • 3-pin JST plug to bare wires cable, 100mm (Component, AUD $2.00)

Purchase a printed copy of this issue for $10.00.
Contents SILICON CHIP www.siliconchip.com.au Vol.25, No.1; January 2012 Features 14 Arduino: What’s All The Fuss About? The low-cost, open-source Arduino microcontroller platform has taken the hobby electronics world by storm and is now gaining popularity with experienced engineers as well – by Jonathon Oxer 84 Playing USB-Stick & SD/MMC Card Music Without A PC Do you want to play music tracks that you’ve saved on a USB stick or memory card without using a PC? These low-cost modules from Tenda Electronics let you do just that & even come with remote controls. Here’s how to use them – by Ross Tester Stereo Audio Compressor – Page 24. 24. Pro jects To Build 24 A Stereo Audio Compressor Having problems with varying sound levels from your TV or a PA system, or when listening to music in your car? Are the soft passages too soft and the loud parts too loud? This Stereo Compressor is the answer – by John Clarke 32 Build A Simple AM Radio This fun, educational project can be built in two forms: either shirt-pocket size or as a retro-style mantel radio in a timber cabinet. It’s easy to build and the alignment is simple – by John Clarke 62 Dorji 433MHz Wireless Data Modules Build A Simple AM Radio – Page 32. Chinese-made 433MHz wireless data modules just keep getting better! Here’s how to use them to make some simple data repeaters – by Stan Swan 70 3-Input Stereo Audio Switcher Need more inputs for your stereo amplifier or home-theatre set-up? This Stereo Audio Switcher features remote control or you can just press a frontpanel button to select the program source – by John Clarke & Greg Swain Special Columns 44 Serviceman’s Log A Repeated & Puzzling Computer Failure – by the Serviceman 57 Circuit Notebook Dorji 433MHz Wireless Data Modules – Page 62. (1) Replacement Horn Circuit For A Car; (2) Yet Another Variation On The Inclinometer; (3) Recycling A Clothes-Dryer Timer; (4) Solar Tracker Uses Two Photo-Cells; (5) Audio-Visual Metronome; (6) Wide Current-Mode 18-Bit DAC 90 Vintage Radio The AWA PA1002 50W Valve PA Amplifier – by Rodney Champness Departments   2   4 42 79 Publisher’s Letter Mailbag Summer Showcase Order Form siliconchip.com.au 88 98 102 103 Product Showcase Ask Silicon Chip Notes & Errata Market Centre 3-Input Audio Selector – Page 70. January 2012  1