Silicon ChipContents - December 2004 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: Human RFID tags for medical records
  4. Feature: Build Yourself A Windmill Generator, Pt.1 by Glenn Littleford
  5. Project: Schoolies 20W Amplifier Module by Peter Smith
  6. Project: A Charger For Deep-Cycle 12V Batteries, Pt.2 by John Clarke
  7. Project: Solar-Powered Wireless Weather Station by Nenad Stojadinovic
  8. Project: Bidirectional Motor Speed Controller by Frank Crivelli
  9. Feature: Satellite C-Band TV Reception: Death By Overload by Garry Cratt
  10. Feature: Picaxus Interruptus by Stan Swan
  11. Vintage Radio: The AWA B79 transistor mantel radio by Rodney Champness
  12. Book Store
  13. Back Issues
  14. Advertising Index
  15. Outer Back Cover

This is only a preview of the December 2004 issue of Silicon Chip.

You can view 20 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:
  • Build Yourself A Windmill Generator, Pt.1 (December 2004)
  • Build Yourself A Windmill Generator, Pt.2 (January 2005)
  • Build Yourself A Windmill Generator, Pt.3 (February 2005)
  • Build Yourself A Windmill Generator, Pt.4 (March 2005)
Items relevant to "Schoolies 20W Amplifier Module":
  • Schoolies' 20W Amplifier Module PCB [01112041] (AUD $5.00)
  • Schoolies' Amp PCB pattern (PDF download) [01112041] (Free)
  • Schoolies' Amp Power Supply PCB pattern (PDF download) [01201033] (Free)
Items relevant to "A Charger For Deep-Cycle 12V Batteries, Pt.2":
  • PIC16F628A-I/P programmed for the Deep-cycle 12V Battery Charger [battchrg.hex] (Programmed Microcontroller, AUD $10.00)
  • PIC16F628A firmware and source code for the Deep-cycle 12V Battery Charger [battchrg.hex] (Software, Free)
  • Deep-Cycle 12V Battery Charger PCB patterns (PDF download) [14111041/2/3] (Free)
  • Deep-cycle 12V Battery Charger front panel artwork (PDF download) (Free)
Articles in this series:
  • A Charger For Deep-Cycle 12V Batteries, Pt.1 (November 2004)
  • A Charger For Deep-Cycle 12V Batteries, Pt.2 (December 2004)
Items relevant to "Solar-Powered Wireless Weather Station":
  • Solar-powered Wireless Weather Station PCB pattern (PDF download) [07112041] (Free)
Articles in this series:
  • Satellite C-Band TV Reception: Death By Overload (December 2004)
  • Satellite C-Band TV: Death By Overload, Pt.2 (February 2005)

Purchase a printed copy of this issue for $10.00.
Contents Vol.17, No.12; December 2004 www.siliconchip.com.au Build Yourself A Windmill Generator – Page 10. FEATURES 10 Build Yourself A Windmill Generator, Pt.1 The wind is free but first you have to build a windmill if you want to utilise it. This first article looks at do-it-yourself windmills – by Glenn Littleford 74 Satellite C-Band TV Reception: Death By Overload Wireless broadband is great for wireless broadband users but it can mean blank screens for C-band satellite TV – by Garry Cratt PROJECTS TO BUILD 16 Schoolies 20W Amplifier Module This 20W audio amplifier module sounds great, includes over-temperature and short-circuit protection and is dead easy to build – by Peter Smith 28 A Charger For Deep-Cycle 12V Batteries, Pt.2 Second article has the full construction and set-up details for this new highperformance charger – by John Clarke 56 Solar-Powered Wireless Weather Station It’s based on a PICAXE processor and “wirelessly” transmits temperature and humidity data to a receiver up to 200 metres away – by Nenad Stojadinovic 63 Bidirectional Motor Speed Controller Easy-to-build project can control the speed of 12-24V DC motors in both forward and reverse directions – by Frank Crivelli 78 Picaxus Interruptus Schoolies 20W Amplifier Module – Page 16. Sorry to interrupt you but the new PICAXE-08M has interrupt capabilities. Here’s how it works – by Stan Swan SPECIAL COLUMNS 40 Serviceman’s Log Houston, we have a problem – by the TV Serviceman 68 Circuit Notebook (1) Simple Combination Lock; (2) Bare Bones ESR Tester For Capacitors; (3) PICAXE-Based Ultrasonic Rangefinder; (4) Festive-Season Doorbell; (5) JunkBox Fan Speed Controller 82 Vintage Radio The AWA B79 transistor mantel radio – by Rodney Champness Solar-Powered Wireless Weather Station – Page 34. Motor Speed Controller – Page 63. DEPARTMENTS 2 4 53 55 81 Publisher’s Letter Mailbag Product Showcase Silicon Chip Weblink Order Form siliconchip.com.au 86 89 94 96 Ask Silicon Chip Notes & Errata Market Centre Ad Index December 2004  1