Silicon ChipContents - June 2002 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: Viruses on emails are a huge problem / Queensland Electrical Safety Review
  4. Feature: Helios: The Solar-Powered Plane by Bob Young
  5. Feature: Lock Out The Bad Guys With A Firewall by Greg Swain
  6. Project: Remote Volume Control For Stereo Amplifiers by John Clarke
  7. Product Showcase
  8. Order Form
  9. Project: The Matchless Metal Locator by Thomas Scarborough
  10. Weblink
  11. Project: Compact 0-80A Automotive Ammeter by John Clarke
  12. Project: Constant High-Current Source by Ross Tester
  13. Vintage Radio: The 1935 Tasma M290 console by Rodney Champness
  14. Feature: Fuel Cells Explode! by Gerry Nolan
  15. Notes & Errata
  16. Book Store
  17. Back Issues
  18. Market Centre
  19. Advertising Index
  20. Outer Back Cover

This is only a preview of the June 2002 issue of Silicon Chip.

You can view 28 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:
  • Computer Tips (November 2001)
  • Lock Out The Bad Guys With A Firewall (June 2002)
  • Creating Your Own Rules For Tiny Personal Firewall (July 2002)
Items relevant to "Remote Volume Control For Stereo Amplifiers":
  • Ultra-LD 100W RMS Stereo Amplifier PCB patterns (PDF download) [01112011-5] (Free)
  • Ultra-LD 100W Stereo Amplifier PCB patterns (PDF download) [01105001-2] (Free)
  • Panel artwork for the Ultra-LD 100W RMS Stereo Amplifier (PDF download) (Free)
  • Remote Volume Control PCB [15106021] (AUD $5.00)
  • PIC16F84(A)-04/P programmed for the Remote Volume Control [MOTORPOT.HEX] (Programmed Microcontroller, AUD $10.00)
  • PIC16F84 firmware and source code for the Remote Volume Control [MOTORPOT.HEX] (Software, Free)
  • Remote Volume Control PCB patterns (PDF download) [15106021-3] (Free)
Articles in this series:
  • Ultra-LD 100W Stereo Amplifier; Pt.1 (March 2000)
  • Building The Ultra-LD 100W Stereo Amplifier; Pt.2 (May 2000)
  • 100W RMS/Channel Stereo Amplifier; Pt.1 (November 2001)
  • 100W RMS/Channel Stereo Amplifier; Pt.2 (December 2001)
  • 100W RMS/Channel Stereo Amplifier; Pt.3 (January 2002)
  • Remote Volume Control For Stereo Amplifiers (June 2002)
  • Remote Volume Control For The Ultra-LD Amplifier (July 2002)
Items relevant to "The Matchless Metal Locator":
  • Matchless Metal Locator PCB pattern (PDF download) [04106021] (Free)
Items relevant to "Compact 0-80A Automotive Ammeter":
  • PIC16F84(A)-04/P programmed for the Compact 80A Automotive Ammeter [AMMETER.HEX] (Programmed Microcontroller, AUD $10.00)
  • PIC16F84 firmware and source code for the Compact 80A Automotive Ammeter [AMMETER.HEX] (Software, Free)
  • Compact 80A Automotive Ammeter PCB patterns (PDF download) [05106021-3] (Free)
  • Panel artwork for the Compact 80A Automotive Ammeter (PDF download) (Free)
Articles in this series:
  • Fuel Cells: The Quiet Emission-Free Power Source (May 2002)
  • Fuel Cells Explode! (June 2002)
  • Applications For Fuel Cells (July 2002)
Contents Vol.15, No.6; June 2002 www.siliconchip.com.au FEATURES 8 Helios: The Solar-Powered Plane Last year, it set a new altitude record for winged aircraft. This month, it has its first commercial trials. Its fuel? . . . sunlight! – by Bob Young Lock Out The Bad Guys with A Fire­wall – Page 16. 80 Fuel Cells Explode! Well, they don’t literally explode but their numbers and types sure are. Here’s all you need to know in this sequel to last month’s article – by Gerry Nolan PROJECTS TO BUILD 28 Remote Volume Control For Stereo Amplifiers You can add a remote motorised volume control to just about any stereo amplifier. Here’s how to do it – by John Clarke 54 The “Matchless” Metal Locator It’s cheap, it’s easy to build and it could find a fortune – by Thomas Scarborough Remote Volume Control For Stereo Amplifiers – Page 28. 62 Compact 0-80A Automotive Ammeter The latest addition to our line-up of PIC-based automotive projects. Build it and keep tabs on your car’s electrical system – by John Clarke 72 Constant High-Current Source A companion project to last month’s stepper motor controller, this simple high-current source can also charge batteries – by Ross Tester “Matchless” Metal Locator – Page 44. COMPUTERS 16 Lock Out The Bad Guys With A Firewall Don’t get hacked while you’re on the net. Here’s three free firewalls to keep the cyber vandals out – by Greg Swain SPECIAL COLUMNS 38 Serviceman’s Log This little “telly” came to town – by the TV Serviceman 76 Vintage Radio The 1935 Tasma M290 console – by Rodney Champness DEPARTMENTS 2 4 35 42 53 Publisher’s Letter Mailbag Circuit Notebook Product Showcase Subscriptions Form www.siliconchip.com.au 61 87 89 94 96 Silicon Chip Weblink Ask Silicon Chip Notes & Errata Market Centre Advertising Index Compact 0-80A Automotive Ammeter – Page 62. June 2002  1