Silicon ChipContents - February 2003 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: Queensland TV repairs need a safety check, not a licence
  4. Feature: PICAXE: The New Millennium 555? by Stan Swan
  5. Project: The PortaPAL Public Address System by John Clarke and Leo Simpson
  6. Review: WM232-UHF Wireless Modem by Peter Smith
  7. Project: 240V Mains Filter For Hifi Systems by Ross Tester
  8. Project: The SC480 50W RMS Amplifier Module; Pt.2 by Peter Smith and Leo Simpson
  9. Product Showcase
  10. Feature: Using Linux To Share An Optus Cable Modem; Pt.4 by John Bagster
  11. Project: A Windows-Based EPROM Programmer; Pt.3 by Jim Rowe
  12. Weblink
  13. Vintage Radio: Aligning TRF & superhet radio front-ends by Rodney Champness
  14. Feature: Tracking Down An Elusive Fault In Windows XP by Stephen Davis
  15. Notes & Errata
  16. Market Centre
  17. Advertising Index
  18. Book Store
  19. Outer Back Cover

This is only a preview of the February 2003 issue of Silicon Chip.

You can view 27 of the 96 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.

Articles in this series:
  • PICAXE: The New Millennium 555? (February 2003)
  • The PICAXE: Pt.2: A Shop Door Minder (March 2003)
  • The PICAXE, Pt.3: Heartbeat Simulator (April 2003)
  • The PICAXE, Pt.4: Motor Controller (May 2003)
  • The PICAXE, Pt.5: A Chookhouse Door Controller (June 2003)
  • The PICAXE, Pt.6: Data Communications (July 2003)
  • The PICAXE, Pt.7: Get That Clever Code Purring (August 2003)
  • The PICAXE, Pt.8: A Datalogger & Sending It To Sleep (September 2003)
  • The PICAXE, Pt.8: The 18X Series (November 2003)
  • The PICAXE, Pt.9: Keyboards 101 (December 2003)
Items relevant to "The PortaPAL Public Address System":
  • PortaPAL PCB patterns (PDF download) (01103031-4) (Free)
  • Panel artwork for the PortaPAL (PDF download) (Free)
Articles in this series:
  • The PortaPAL Public Address System (February 2003)
  • 12V SLA Battery Float Charger (March 2003)
  • The PortaPAL Public Address System; Pt.2 (March 2003)
  • Fitting A Wireless Microphone To The PortaPAL (August 2003)
Items relevant to "The SC480 50W RMS Amplifier Module; Pt.2":
  • SC480 amplifier module PCB, TO-218 transistor version [01201031] (AUD $12.50)
  • SC480 amplifier module PCB, TO-3 transistor version [01201032] (AUD $15.00)
  • SC480 amplifier module power supply PCB [01201033] (AUD $5.00)
  • SC480 50W RMS Amplifier Module PCB patterns (PDF download) [01201031-3] (Free)
Articles in this series:
  • The SC480 50W RMS Amplifier Module (January 2003)
  • The SC480 50W RMS Amplifier Module; Pt.2 (February 2003)
Items relevant to "Using Linux To Share An Optus Cable Modem; Pt.4":
  • zplog script (Software, Free)
Articles in this series:
  • Using Linux To Share An Optus Cable Modem; Pt.1 (November 2002)
  • Using Linux To Share An Optus Capble Modem; Pt.2 (December 2002)
  • Using Linux To Share An Optus Cable Modem: Pt.3 (January 2003)
  • Using Linux To Share An Optus Cable Modem; Pt.4 (February 2003)
Items relevant to "A Windows-Based EPROM Programmer; Pt.3":
  • Upgraded Software for the EPROM Programmer (Free)
  • Windows-Based EPROM Programmer PCB patterns (PDF download) [07112021-5] (Free)
  • Panel artwork for the Windows-Based EPROM Programmer (PDF download) (Free)
Articles in this series:
  • A Windows-Based EPROM Programmer (November 2002)
  • A Windows-Based EPROM Programmer; Pt.2 (December 2002)
  • A Windows-Based EPROM Programmer; Pt.3 (February 2003)
  • Upgraded Software For The EPROM Programmer (June 2004)

Purchase a printed copy of this issue for $10.00.
Contents Vol.16, No.2; February 2003 FEATURES 8 PICAXE: The New Millennium 555? www.siliconchip.com.au PICAXE: An Easy-To-Use PIC For Every Man . . . And His Dog – Page 8. Simple to use, even for old-timers, the PICAXE-08 is the PIC for everyman. Here’s how to get started – by Stan Swan 32 Review: WM232-UHF Wireless Modem Reliable short-range wireless links for remote control and data acquisition. And it’s licence free – by Peter Smith PROJECTS TO BUILD 14 The PortaPal Public Address System It’s packed with features, is easy to build and rivals commercial systems costing much more – by John Clarke & Leo Simpson 36 240V Mains Filter For Hifi Systems The PortaPal Public Address System – Page 14. Get rid of clicks, pops, spruigles and sundry other noises in your hifi system – by Ross Tester 54 The SC480 50W RMS Amplifier Module; Pt.2 Everything you need to know to put together this outstanding new power amplifier module (covers both versions) – by Peter Smith & Leo Simpson 72 A Windows-Based EPROM Programmer; Pt.3 Final article presents the Windows-based software and details a few modifications to improve performance. – by Jim Rowe SPECIAL COLUMNS 24 Circuit Notebook (1) 12V Lead-Acid Battery Desulphator; (2) Low Supply Rail Detection Circuit; (3) Fifth Channel For Code-Hopping Remote Control; (4) Two Simple Headlight Reminders; (5) In-Situ Battery Test Probe; (6) Engine Immobiliser 40 Serviceman’s Log Servicing can be frustrating – by the TV Serviceman 80 Vintage Radio Aligning TRF & superhet radio front-ends – by Rodney Champness 240V Mains Filter For Hifi Systems – Page 36. COMPUTERS 69 Using Linux To Share An Optus Cable Modem; Pt.4 Firewall logs, operating with a keyboard or monitor & automatic shutdowns – by John Bagster 86 Tracking Down An Elusive Fault In Windows XP Don’t reinstall the operating system when things go wrong. Here’s a logical approach to tracking down system faults– by Stephen Davis DEPARTMENTS 2 4 63 64 79 Publisher’s Letter Mailbag Book Review Product Showcase Silicon Chip Weblink www.siliconchip.com.au 89 92 93 95 Ask Silicon Chip Notes & Errata Market Centre Advertising Index Building The SC480 50W Amplifier Modules – Page 54. February 2003  1