Silicon ChipContents - November 1991 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: Wiring in older houses can be dangerous
  4. Project: Battery Charger For Solar Panels by Steve Calder / Hycal Electronics
  5. Order Form
  6. Project: Build A Colour TV Pattern Generator, Pt.1 by John Clarke
  7. Project: Flashing Alarm Light For Cars by Syd McKitrick
  8. Project: Digital Altimeter For Gliders & Ultralights, Pt.3 by John Clarke
  9. Serviceman's Log: A very circuitous exercise by The TV Serviceman
  10. Feature: Amateur Radio by Garry Cratt, VK2YBX
  11. Project: Build A Talking Voltmeter For Your PC, Pt.2 by Darren Yates
  12. Feature: Computer Bits by Jennifer Bonnitcha
  13. Project: Error Analyser For CD Players, Pt.3 by Stephen McBride
  14. Vintage Radio: A simple junkbox 2-valve receiver by John Hill
  15. Feature: The Story Of Electrical Energy; Pt.15 by Bryan Maher
  16. Back Issues
  17. Market Centre
  18. Outer Back Cover

This is only a preview of the November 1991 issue of Silicon Chip.

You can view 46 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 A Colour TV Pattern Generator, Pt.1 (November 1991)
  • Build A Colour TV Pattern Generator, Pt.2 (December 1991)
Articles in this series:
  • Digital Altimeter For Gliders & Ultralights, Pt.1 (September 1991)
  • Digital Altimeter For Gliders & Ultralights, Pt.2 (October 1991)
  • Digital Altimeter For Gliders & Ultralights, Pt.3 (November 1991)
Articles in this series:
  • Amateur Radio (November 1987)
  • Amateur Radio (December 1987)
  • Amateur Radio (February 1988)
  • Amateur Radio (March 1988)
  • Amateur Radio (April 1988)
  • Amateur Radio (May 1988)
  • Amateur Radio (June 1988)
  • Amateur Radio (July 1988)
  • Amateur Radio (August 1988)
  • Amateur Radio (September 1988)
  • Amateur Radio (October 1988)
  • Amateur Radio (November 1988)
  • Amateur Radio (December 1988)
  • Amateur Radio (January 1989)
  • Amateur Radio (April 1989)
  • Amateur Radio (May 1989)
  • Amateur Radio (June 1989)
  • Amateur Radio (July 1989)
  • Amateur Radio (August 1989)
  • Amateur Radio (September 1989)
  • Amateur Radio (October 1989)
  • Amateur Radio (November 1989)
  • Amateur Radio (December 1989)
  • Amateur Radio (February 1990)
  • Amateur Radio (March 1990)
  • Amateur Radio (April 1990)
  • Amateur Radio (May 1990)
  • Amateur Radio (June 1990)
  • Amateur Radio (July 1990)
  • The "Tube" vs. The Microchip (August 1990)
  • Amateur Radio (September 1990)
  • Amateur Radio (October 1990)
  • Amateur Radio (November 1990)
  • Amateur Radio (December 1990)
  • Amateur Radio (January 1991)
  • Amateur Radio (February 1991)
  • Amateur Radio (March 1991)
  • Amateur Radio (April 1991)
  • Amateur Radio (May 1991)
  • Amateur Radio (June 1991)
  • Amateur Radio (July 1991)
  • Amateur Radio (August 1991)
  • Amateur Radio (September 1991)
  • Amateur Radio (October 1991)
  • Amateur Radio (November 1991)
  • Amateur Radio (January 1992)
  • Amateur Radio (February 1992)
  • Amateur Radio (March 1992)
  • Amateur Radio (July 1992)
  • Amateur Radio (August 1992)
  • Amateur Radio (September 1992)
  • Amateur Radio (October 1992)
  • Amateur Radio (November 1992)
  • Amateur Radio (January 1993)
  • Amateur Radio (March 1993)
  • Amateur Radio (May 1993)
  • Amateur Radio (June 1993)
  • Amateur Radio (July 1993)
  • Amateur Radio (August 1993)
  • Amateur Radio (September 1993)
  • Amateur Radio (October 1993)
  • Amateur Radio (December 1993)
  • Amateur Radio (February 1994)
  • Amateur Radio (March 1994)
  • Amateur Radio (May 1994)
  • Amateur Radio (June 1994)
  • Amateur Radio (September 1994)
  • Amateur Radio (December 1994)
  • Amateur Radio (January 1995)
  • CB Radio Can Now Transmit Data (March 2001)
  • What's On Offer In "Walkie Talkies" (March 2001)
  • Stressless Wireless (October 2004)
  • “Degen” Synthesised HF Communications Receiver (January 2007)
  • WiNRADiO: Marrying A Radio Receiver To A PC (January 2007)
  • PICAXE-08M 433MHz Data Transceiver (October 2008)
  • Half-Duplex With HopeRF’s HM-TR UHF Transceivers (April 2009)
  • Dorji 433MHz Wireless Data Modules (January 2012)
Articles in this series:
  • Build A Talking Voltmeter For Your PC, Pt.1 (October 1991)
  • Build A Talking Voltmeter For Your PC, Pt.2 (November 1991)
Articles in this series:
  • Computer Bits (July 1989)
  • Computer Bits (August 1989)
  • Computer Bits (September 1989)
  • Computer Bits (October 1989)
  • Computer Bits (November 1989)
  • Computer Bits (January 1990)
  • Computer Bits (April 1990)
  • Computer Bits (October 1990)
  • Computer Bits (November 1990)
  • Computer Bits (December 1990)
  • Computer Bits (January 1991)
  • Computer Bits (February 1991)
  • Computer Bits (March 1991)
  • Computer Bits (April 1991)
  • Computer Bits (May 1991)
  • Computer Bits (June 1991)
  • Computer Bits (July 1991)
  • Computer Bits (August 1991)
  • Computer Bits (September 1991)
  • Computer Bits (October 1991)
  • Computer Bits (November 1991)
  • Computer Bits (December 1991)
  • Computer Bits (January 1992)
  • Computer Bits (February 1992)
  • Computer Bits (March 1992)
  • Computer Bits (May 1992)
  • Computer Bits (June 1992)
  • Computer Bits (July 1992)
  • Computer Bits (September 1992)
  • Computer Bits (October 1992)
  • Computer Bits (November 1992)
  • Computer Bits (December 1992)
  • Computer Bits (February 1993)
  • Computer Bits (April 1993)
  • Computer Bits (May 1993)
  • Computer Bits (June 1993)
  • Computer Bits (October 1993)
  • Computer Bits (March 1994)
  • Computer Bits (May 1994)
  • Computer Bits (June 1994)
  • Computer Bits (July 1994)
  • Computer Bits (October 1994)
  • Computer Bits (November 1994)
  • Computer Bits (December 1994)
  • Computer Bits (January 1995)
  • Computer Bits (February 1995)
  • Computer Bits (March 1995)
  • Computer Bits (April 1995)
  • CMOS Memory Settings - What To Do When The Battery Goes Flat (May 1995)
  • Computer Bits (July 1995)
  • Computer Bits (September 1995)
  • Computer Bits: Connecting To The Internet With WIndows 95 (October 1995)
  • Computer Bits (December 1995)
  • Computer Bits (January 1996)
  • Computer Bits (February 1996)
  • Computer Bits (March 1996)
  • Computer Bits (May 1996)
  • Computer Bits (June 1996)
  • Computer Bits (July 1996)
  • Computer Bits (August 1996)
  • Computer Bits (January 1997)
  • Computer Bits (April 1997)
  • Windows 95: The Hardware That's Required (May 1997)
  • Turning Up Your Hard Disc Drive (June 1997)
  • Computer Bits (July 1997)
  • Computer Bits: The Ins & Outs Of Sound Cards (August 1997)
  • Computer Bits (September 1997)
  • Computer Bits (October 1997)
  • Computer Bits (November 1997)
  • Computer Bits (April 1998)
  • Computer Bits (June 1998)
  • Computer Bits (July 1998)
  • Computer Bits (November 1998)
  • Computer Bits (December 1998)
  • Control Your World Using Linux (July 2011)
Articles in this series:
  • Error Analyser For CD Players, Pt.1 (July 1991)
  • Error Analyser For CD Players, Pt.2 (August 1991)
  • Error Analyser For CD Players, Pt.3 (November 1991)
Articles in this series:
  • The Technology Letters, Pt.2 (January 1989)
  • The Story Of Electrical Energy (July 1990)
  • The Story Of Electrical Energy; Pt.2 (August 1990)
  • The Story Of Electrical Energy; Pt.3 (September 1990)
  • The Story Of Electrical Energy; Pt.4 (October 1990)
  • The Story Of Electrical Energy; Pt.5 (November 1990)
  • The Story Of Electrical Energy; Pt.6 (December 1990)
  • The Story Of Electrical Energy; Pt.7 (January 1991)
  • The Story Of Electrical Energy; Pt.8 (February 1991)
  • The Story Of Electrical Energy; Pt.9 (March 1991)
  • The Story Of Electrical Energy; Pt.10 (May 1991)
  • The Story Of Electrical Energy; Pt.11 (July 1991)
  • The Story Of Electrical Energy; Pt.12 (August 1991)
  • The Story Of Electrical Energy; Pt.13 (September 1991)
  • The Story Of Electrical Energy; Pt.14 (October 1991)
  • The Story Of Electrical Energy; Pt.15 (November 1991)
  • The Story Of Electrical Energy; Pt.16 (December 1991)
  • The Story Of Electrical Energy; Pt.17 (January 1992)
  • The Story Of Electrical Energy; Pt.18 (March 1992)
  • The Story Of Electrical Energy; Pt.19 (August 1992)
  • The Story of Electrical Energy; Pt.20 (September 1992)
  • The Story Of Electrical Energy; Pt.21 (November 1992)
  • The Story Of Electrical Energy; Pt.22 (January 1993)
  • The Story of Electrical Energy (April 1993)
  • The Story Of Electrical Energy; Pt.24 (May 1993)
  • The Story Of Electrical Energy; Pt.24 (June 1993)
VOLUME4 NUMBER 11 - - November 1991 FEATURES 6 An Ultrasonic Detector That Does Not False Alarm GET THE MOST out of your solar panels with this simple charger circuit. It features an automatic step-up/step-down converter circuit that ensures maximum efficiency. Details page B. New IC uses artificial intelligence & fuzzy logic 86 The Story Of Electrical Energy, Pt.15 by Bryan Maher Heavy electric vehicles in the mining industry PROJECTS TO BUILD 8 Battery Charger For Solar Panels by Steve Calder Get the most out of your solar cells with this simple circuit 16 Build A Colour TV Pattern Generator, Pt.1 by John Clarke Generates seven separate patterns, has RF & video outputs 24 Flashing Alarm Light For Cars by Syd McKitrick Fool car thieves with this simple, low-cost device 32 Digital Altimeter For Gliders & Ultralights, Pt.3 by John Clarke THIS COLOUR TV PATTERN generator produces seven separate patterns for TV set adjustments. It's easy to build & will prove invaluable for service work. See page 16. Final article has the construction & calibration details 60 Build A Talking Voltmeter For Your PC, Pt.2 by Darren Yates It talks & gives an on-screen readout 72 Error Analyser For CD Players, Pt.3 by Stephen McBride Building it & connecting it to your CD player SPECIAL COLUMNS 40 Serviceman's Log by the TV Serviceman A FLASHING alarm light may be all that is needed to deter a would-be thief from stealing your car. This effective unit switches on automatically as soon as you turn off the ignition. Turn to page 24. A very circuitous exercise 53 Amateur Radio by Garry Cratt file Build a turnstile antenna for weather satellite reception 66 Computer Bits by Jennifer Bonnitcha Modifying the Windows INI files tlclp oe111fonts. fon .. ugaoel!I. Fon Fonts .fon =ugasys .Fon display .dru•tpd19 .dru shell•uinfile.e)(e network.dru • COllll!l.dt"V '" COl!llll.dru sound .d/'U " SOUnd .dru A simple junkbox 2-valve receiver M use .dru • nouse .dru keyboal'd. dru- keyboai-d. llru DEPARTMENTS Publisher's Letter Mailbag Subscription Page Circuit Notebook Computer Update .Search 286grabber ,.ugacolor .gr2 386grabber • uga .gr3 Fiicedfon . fon .. ugafix. Fon language .dll • langeng .dll 78 Vintage Radio by John Hill 4 5 15 56 70 fdlt (boot] 84 Product Showcase 90 Back Issues 92 Ask Silicon Chip 94 Market Centre 96 Advertising Index systen. dru •ah1sys .df'U atf!l. system. dru • sys te111 . dru [keyboard] subtypetype•4 oemansi.bin keyboard . dll • THE WINDOWS INI files determine the way Windows boots up. On page 66, we show you how to edit these files to automatically load & run programs. NOVEMBER 1991 1