Silicon ChipContents - May 1994 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: We must reject any move to reduce our mains voltage to 230V
  4. Feature: Electronic Engine Management; Pt.8 by Julian Edgar
  5. Feature: The Fingerscan ID System by Leo Simpson
  6. Feature: Passive Rebroadcasting For TV Signals by Mike Pinfold
  7. Project: Fast Charger For Nicad Batteries by Darren Yates
  8. Project: Two Simple Servo Driver Circuits by Nenad Stojadinovic
  9. Project: An Induction Balance Metal Locator by John Clarke
  10. Order Form
  11. Project: Dual Electronic Dice by Darren Yates
  12. Serviceman's Log: Always look on the grim side by The TV Serviceman
  13. Project: Multi-Channel Infrared Remote Control by Brian Roberts
  14. Product Showcase
  15. Feature: Computer Bits by Darren Yates
  16. Review: Bookshelf by Silicon Chip
  17. Vintage Radio: Trash or treasure - recognising the good stuff by John Hill
  18. Back Issues
  19. Feature: Remote Control by Bob Young
  20. Market Centre
  21. Advertising Index
  22. Outer Back Cover

This is only a preview of the May 1994 issue of Silicon Chip.

You can view 31 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:
  • Electronic Engine Management; Pt.1 (October 1993)
  • Electronic Engine Management; Pt.1 (October 1993)
  • Electronic Engine Management; Pt.2 (November 1993)
  • Electronic Engine Management; Pt.2 (November 1993)
  • Electronic Engine Management; Pt.3 (December 1993)
  • Electronic Engine Management; Pt.3 (December 1993)
  • Electronic Engine Management; Pt.4 (January 1994)
  • Electronic Engine Management; Pt.4 (January 1994)
  • Electronic Engine Management; Pt.5 (February 1994)
  • Electronic Engine Management; Pt.5 (February 1994)
  • Electronic Engine Management; Pt.6 (March 1994)
  • Electronic Engine Management; Pt.6 (March 1994)
  • Electronic Engine Management; Pt.7 (April 1994)
  • Electronic Engine Management; Pt.7 (April 1994)
  • Electronic Engine Management; Pt.8 (May 1994)
  • Electronic Engine Management; Pt.8 (May 1994)
  • Electronic Engine Management; Pt.9 (June 1994)
  • Electronic Engine Management; Pt.9 (June 1994)
  • Electronic Engine Management; Pt.10 (July 1994)
  • Electronic Engine Management; Pt.10 (July 1994)
  • Electronic Engine Management; Pt.11 (August 1994)
  • Electronic Engine Management; Pt.11 (August 1994)
  • Electronic Engine Management; Pt.12 (September 1994)
  • Electronic Engine Management; Pt.12 (September 1994)
  • Electronic Engine Management; Pt.13 (October 1994)
  • Electronic Engine Management; Pt.13 (October 1994)
Items relevant to "Fast Charger For Nicad Batteries":
  • Fast Nicad/NiMH Battery Charger PCB pattern (PDF download) [11102941] (Free)
Items relevant to "Two Simple Servo Driver Circuits":
  • Two Simple Servo Driver PCB patterns (PDF download) [09105941/2] (Free)
Items relevant to "An Induction Balance Metal Locator":
  • Induction Balance Metal Locator PCB pattern (PDF download) [04305941] (Free)
Items relevant to "Dual Electronic Dice":
  • Dual Electronic Dice PCB [08105941] (AUD $10.00)
  • Dual Electronic Dice PCB pattern (PDF download) [08105941] (Free)
Items relevant to "Multi-Channel Infrared Remote Control":
  • Multi-channel Infrared Remote Control PCB pattern (PDF download) [15105941/2] (Free)
Items relevant to "Computer Bits":
  • DOS software for Computer Bits, May 1994 (BYTEFREE.BAS/EXE) (Free)
Articles in this series:
  • Computer Bits (July 1989)
  • Computer Bits (July 1989)
  • Computer Bits (August 1989)
  • Computer Bits (August 1989)
  • Computer Bits (September 1989)
  • Computer Bits (September 1989)
  • Computer Bits (October 1989)
  • Computer Bits (October 1989)
  • Computer Bits (November 1989)
  • Computer Bits (November 1989)
  • Computer Bits (January 1990)
  • Computer Bits (January 1990)
  • Computer Bits (April 1990)
  • Computer Bits (April 1990)
  • Computer Bits (October 1990)
  • Computer Bits (October 1990)
  • Computer Bits (November 1990)
  • Computer Bits (November 1990)
  • Computer Bits (December 1990)
  • Computer Bits (December 1990)
  • Computer Bits (January 1991)
  • Computer Bits (January 1991)
  • Computer Bits (February 1991)
  • Computer Bits (February 1991)
  • Computer Bits (March 1991)
  • Computer Bits (March 1991)
  • Computer Bits (April 1991)
  • Computer Bits (April 1991)
  • Computer Bits (May 1991)
  • Computer Bits (May 1991)
  • Computer Bits (June 1991)
  • Computer Bits (June 1991)
  • Computer Bits (July 1991)
  • Computer Bits (July 1991)
  • Computer Bits (August 1991)
  • Computer Bits (August 1991)
  • Computer Bits (September 1991)
  • Computer Bits (September 1991)
  • Computer Bits (October 1991)
  • Computer Bits (October 1991)
  • Computer Bits (November 1991)
  • Computer Bits (November 1991)
  • Computer Bits (December 1991)
  • Computer Bits (December 1991)
  • Computer Bits (January 1992)
  • Computer Bits (January 1992)
  • Computer Bits (February 1992)
  • Computer Bits (February 1992)
  • Computer Bits (March 1992)
  • Computer Bits (March 1992)
  • Computer Bits (May 1992)
  • Computer Bits (May 1992)
  • Computer Bits (June 1992)
  • Computer Bits (June 1992)
  • Computer Bits (July 1992)
  • Computer Bits (July 1992)
  • Computer Bits (September 1992)
  • Computer Bits (September 1992)
  • Computer Bits (October 1992)
  • Computer Bits (October 1992)
  • Computer Bits (November 1992)
  • Computer Bits (November 1992)
  • Computer Bits (December 1992)
  • Computer Bits (December 1992)
  • Computer Bits (February 1993)
  • Computer Bits (February 1993)
  • Computer Bits (April 1993)
  • Computer Bits (April 1993)
  • Computer Bits (May 1993)
  • Computer Bits (May 1993)
  • Computer Bits (June 1993)
  • Computer Bits (June 1993)
  • Computer Bits (October 1993)
  • Computer Bits (October 1993)
  • Computer Bits (March 1994)
  • Computer Bits (March 1994)
  • Computer Bits (May 1994)
  • Computer Bits (May 1994)
  • Computer Bits (June 1994)
  • Computer Bits (June 1994)
  • Computer Bits (July 1994)
  • Computer Bits (July 1994)
  • Computer Bits (October 1994)
  • Computer Bits (October 1994)
  • Computer Bits (November 1994)
  • Computer Bits (November 1994)
  • Computer Bits (December 1994)
  • Computer Bits (December 1994)
  • Computer Bits (January 1995)
  • Computer Bits (January 1995)
  • Computer Bits (February 1995)
  • Computer Bits (February 1995)
  • Computer Bits (March 1995)
  • Computer Bits (March 1995)
  • Computer Bits (April 1995)
  • Computer Bits (April 1995)
  • CMOS Memory Settings - What To Do When The Battery Goes Flat (May 1995)
  • CMOS Memory Settings - What To Do When The Battery Goes Flat (May 1995)
  • Computer Bits (July 1995)
  • Computer Bits (July 1995)
  • Computer Bits (September 1995)
  • Computer Bits (September 1995)
  • Computer Bits: Connecting To The Internet With WIndows 95 (October 1995)
  • Computer Bits: Connecting To The Internet With WIndows 95 (October 1995)
  • Computer Bits (December 1995)
  • Computer Bits (December 1995)
  • Computer Bits (January 1996)
  • Computer Bits (January 1996)
  • Computer Bits (February 1996)
  • Computer Bits (February 1996)
  • Computer Bits (March 1996)
  • Computer Bits (March 1996)
  • Computer Bits (May 1996)
  • Computer Bits (May 1996)
  • Computer Bits (June 1996)
  • Computer Bits (June 1996)
  • Computer Bits (July 1996)
  • Computer Bits (July 1996)
  • Computer Bits (August 1996)
  • Computer Bits (August 1996)
  • Computer Bits (January 1997)
  • Computer Bits (January 1997)
  • Computer Bits (April 1997)
  • Computer Bits (April 1997)
  • Windows 95: The Hardware That's Required (May 1997)
  • Windows 95: The Hardware That's Required (May 1997)
  • Turning Up Your Hard Disc Drive (June 1997)
  • Turning Up Your Hard Disc Drive (June 1997)
  • Computer Bits (July 1997)
  • Computer Bits (July 1997)
  • Computer Bits: The Ins & Outs Of Sound Cards (August 1997)
  • Computer Bits: The Ins & Outs Of Sound Cards (August 1997)
  • Computer Bits (September 1997)
  • Computer Bits (September 1997)
  • Computer Bits (October 1997)
  • Computer Bits (October 1997)
  • Computer Bits (November 1997)
  • Computer Bits (November 1997)
  • Computer Bits (April 1998)
  • Computer Bits (April 1998)
  • Computer Bits (June 1998)
  • Computer Bits (June 1998)
  • Computer Bits (July 1998)
  • Computer Bits (July 1998)
  • Computer Bits (November 1998)
  • Computer Bits (November 1998)
  • Computer Bits (December 1998)
  • Computer Bits (December 1998)
  • Control Your World Using Linux (July 2011)
  • Control Your World Using Linux (July 2011)
Articles in this series:
  • Remote Control (March 1994)
  • Remote Control (March 1994)
  • Remote Control (May 1994)
  • Remote Control (May 1994)
Vol.7, No.5; May 1994 FEATURES   4 Electronic Engine Management, Pt.8 by Julian Edgar Books & journals THIS FAST NICAD CHARGER will charge two or four cells in rapid time. It’s built around a special IC & automatically throttles back when the cells are fully charged – see page 18.   8 The Fingerscan ID System by Leo Simpson Just plunk your digit on the window 14 Passive Rebroadcasting For TV Signals by Mike Pinfold One way of overcoming TV reception problems PROJECTS TO BUILD 18 Fast Charger For Nicad Batteries by Darren Yates It charges four “AA” cells in 50 minutes 24 Two Simple Servo Driver Circuits by Nenad Stojadinovic Build them for servo testing or direct control 34 An Induction Balance Metal Locator by John Clarke Use it to find coins, watches & other valuables 54 Build A Dual Electronic Dice by Darren Yates BASED ON A SINGLE IC, this simple unit can be used to test servos or used to control a servo in applications where a radio link is not required. We show you how to build it starting page 24. VERTICAL POLARISATION HIGH SIGNAL AREA ANY POLARISATION Easy-to-build circuit has auto switch-off 64 Multi-Channel Infrared Remote Control by Brian Roberts 60dB PATH LOSS PASSIVE RE-BROADCAST SYSTEM LOW SIGNAL AREA Add remote control to your tuner, tape deck or other appliances SPECIAL COLUMNS 58 Serviceman’s Log by the TV Serviceman Always look on the grim side DO YOU HAVE A PROBLEM with weak TV reception. Our article on page 14 shows you how to deliver a TV signal from a remote antenna up to 1km away. 74 Computer Bits by Darren Yates What’s your free disc space? 80 Vintage Radio by John Hill Trash or treasure – recognising the good stuff 86 Amateur Radio by Garry Cratt The Rhombic: a high gain wire antenna for HF 88 Remote Control by Bob Young How to service servos & winches, Pt.2 DEPARTMENTS   2   3 32 53 70 79 Publisher’s Letter Mailbag Circuit Notebook Order Form Product Showcase Bookshelf 84 91 93 94 96 Back Issues Ask Silicon Chip Notes & Errata Market Centre Advertising Index ADD THE CONVENIENCE of remote control to your tuner, tape deck or to some other appliance with this easy-to-build project. A separate low-cost transmitter is used to program a universal remote control. Details page 64. Cover design: Marque Crozman May 1994  1