Silicon ChipMarket Centre - November 1997 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: EMC regulations a disadvantage for Australia
  4. Mailbag
  5. Feature: Understanding Electric Lighting; Pt.1 by Julian Edgar
  6. Feature: Microsoft's Power Toys: Tweak your PC's interface by Greg Swain
  7. Feature: Replacing Foam Speaker Surrounds by Bill Hendry
  8. Project: Heavy Duty 10A 240VAC Motor Speed Controller by John Clarke
  9. Serviceman's Log: From soap to Teletext by The TV Serviceman
  10. Book Store
  11. Project: Easy-To-Use Cable & Wiring Tester by Leon Williams
  12. Order Form
  13. Project: A Regulated Supply For Darkroom Lamps by Rick Walters
  14. Project: Build A Musical Doorbell by Bob Flynn
  15. Feature: Radio Control by Bob Young
  16. Feature: Making Old Ships Go Faster by Silicon Chip
  17. Vintage Radio: The 4-valve Airzone superhet by John Hill
  18. Feature: Computer Bits by Jason Cole
  19. Notes & Errata: Flexible Interface Card July 97; Stepper Motor Controller Aug 97; PC Card For Two Stepper Motors Sept 97
  20. Back Issues
  21. Subscriptions
  22. Market Centre
  23. Advertising Index
  24. Outer Back Cover

This is only a preview of the November 1997 issue of Silicon Chip.

You can view 35 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:
  • Understanding Electric Lighting; Pt.1 (November 1997)
  • Understanding Electric Lighting; Pt.1 (November 1997)
  • Understanding Electric Lighting; Pt.2 (December 1997)
  • Understanding Electric Lighting; Pt.2 (December 1997)
  • Understanding Electric Lighting; Pt.3 (January 1998)
  • Understanding Electric Lighting; Pt.3 (January 1998)
  • Understanding Electric Lighting; Pt.4 (February 1998)
  • Understanding Electric Lighting; Pt.4 (February 1998)
  • Understanding Electric Lighting; Pt.5 (March 1998)
  • Understanding Electric Lighting; Pt.5 (March 1998)
  • Understanding Electric Lighting; Pt.6 (April 1998)
  • Understanding Electric Lighting; Pt.6 (April 1998)
  • Understanding Electric Lighting; Pt.7 (June 1998)
  • Understanding Electric Lighting; Pt.7 (June 1998)
  • Understanding Electric Lighting; Pt.8 (July 1998)
  • Understanding Electric Lighting; Pt.8 (July 1998)
  • Electric Lighting; Pt.9 (November 1998)
  • Electric Lighting; Pt.9 (November 1998)
  • Electric Lighting; Pt.10 (January 1999)
  • Electric Lighting; Pt.10 (January 1999)
  • Electric Lighting; Pt.11 (February 1999)
  • Electric Lighting; Pt.11 (February 1999)
  • Electric Lighting; Pt.12 (March 1999)
  • Electric Lighting; Pt.12 (March 1999)
  • Electric Lighting; Pt.13 (April 1999)
  • Electric Lighting; Pt.13 (April 1999)
  • Electric Lighting, Pt.14 (August 1999)
  • Electric Lighting, Pt.14 (August 1999)
  • Electric Lighting; Pt.15 (November 1999)
  • Electric Lighting; Pt.15 (November 1999)
  • Electric Lighting; Pt.16 (December 1999)
  • Electric Lighting; Pt.16 (December 1999)
Items relevant to "Heavy Duty 10A 240VAC Motor Speed Controller":
  • Heavy-Duty 10A 240VAC Motor Speed Controller PCB [10311971] (AUD $7.50)
  • 10A 240VAC Motor Speed Controller PCB pattern (PDF download) [10311971] (Free)
Items relevant to "Easy-To-Use Cable & Wiring Tester":
  • Cable & Wiring Tester PCB pattern (PDF download) [04411971] (Free)
Items relevant to "A Regulated Supply For Darkroom Lamps":
  • Halogen Lamp Regulated Supply PCB pattern (PDF download) [10107971] (Free)
  • Halogen Lamp Regulated Supply panel artwork (PDF download) (Free)
Items relevant to "Build A Musical Doorbell":
  • Musical Doorbell Chime PCB pattern (PDF download) [11211971] (Free)
Articles in this series:
  • Radio Control (November 1996)
  • Radio Control (November 1996)
  • Radio Control (February 1997)
  • Radio Control (February 1997)
  • Radio Control (March 1997)
  • Radio Control (March 1997)
  • Radio Control (May 1997)
  • Radio Control (May 1997)
  • Radio Control (June 1997)
  • Radio Control (June 1997)
  • Radio Control (July 1997)
  • Radio Control (July 1997)
  • Radio Control (November 1997)
  • Radio Control (November 1997)
  • Radio Control (December 1997)
  • Radio Control (December 1997)
  • Autopilots For Radio-Controlled Model Aircraft (April 1999)
  • Autopilots For Radio-Controlled Model Aircraft (April 1999)
  • Model Plane Flies The Atlantic (May 1999)
  • Model Plane Flies The Atlantic (May 1999)
  • Tiny, Tiny Spy Planes (July 1999)
  • Tiny, Tiny Spy Planes (July 1999)
  • 2.4GHz DSS Radio Control Systems (February 2009)
  • 2.4GHz DSS Radio Control Systems (February 2009)
  • Unmanned Aerial Vehicles: An Australian Perspective (June 2010)
  • Unmanned Aerial Vehicles: An Australian Perspective (June 2010)
  • RPAs: Designing, Building & Using Them For Business (August 2012)
  • Flying The Parrot AR Drone 2 Quadcopter (August 2012)
  • Multi-Rotor Helicopters (August 2012)
  • Multi-Rotor Helicopters (August 2012)
  • Flying The Parrot AR Drone 2 Quadcopter (August 2012)
  • RPAs: Designing, Building & Using Them For Business (August 2012)
  • Electric Remotely Piloted Aircraft . . . With Wings (October 2012)
  • Electric Remotely Piloted Aircraft . . . With Wings (October 2012)
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)

Purchase a printed copy of this issue for $10.00.
MARKET CENTRE Cash in your surplus gear. Advertise it here in Silicon Chip. CLASSIFIED ADVERTISING RATES FOR SALE Advertising rates for this page: Classified ads: $10.00 for up to 12 words plus 50 cents for each additional word. Display ads (casual rate): $25 per column centimetre (Max. 10cm). Closing date: five weeks prior to month of sale. $59 VIDEO CAMERAS! TOP QUALI T Y M O D U L E S O N LY ! $ 5 9 1 2 MONTHS WARRANTY! Also 400 Line 0.05 lux 32mm x 32mm Modules with SONY CCD Image Sensor ONLY $99. These have Japanese Optical GLASS (not plastic) Lens Elements, Lightweight Trouble-Free FRP Lens Hold­e rs. Accessories: 14 Lenses 2.1 -12mm, MicroFine Zero Backlash Focus, Infra-Red Cut, Pass & Polarising Filters, IR Illuminators, 50-210 LED Kits & 74mW LEDs. Our Range of Modules & Cameras include 380570 Line Resolution, 0.2-0.05 lux sensitivity, 50+dB Signal: Noise Ratio, TOP QUALITY Image Sensors from SONY, SHARP & SAMSUNG, 28mm x 28mm PCBs & Digital Signal Processing Colour Cameras. COLOUR MODULES 420 Line, 1 lux, MicroFine Focus, 7 Acc Lenses ONLY $379. PCI Video Capture Cards $199. DISCRETE 36mm SQUARE & DOME CEILING Cameras ONLY $99. Baluns 100/75 ohm use Telephone or LAN cables for Video ONLY $15. Our RANGE of CCTV Equipment includes:- Monitors, Switchers, Quads, Wireless Trans­m itters, CCTV-TV Ant Interface Modules, Single Cable Power-up-Coax System, Camera Housings & Brackets, MULTI-RECORD PROCESSORS use one VCR to Record/Playback NINE FULL-FRAME FULL-RESOLUTION images, Automatic Iris Japanese Lenses ONLY $79. Many items are UNIQUE & unobtainable elsewhere. Before you buy, ask for our Illustrated Detailed Price List with Application Notes. Allth­ings Sales & Services 08 9349 9413 Fax 08 9344 5905. To run your classified ad, print it clearly on a separate sheet of paper, fill out the form below & send it with your cheque or credit card details to: Silicon Chip Classifieds, PO Box 139, Collaroy, NSW 2097. Or fax the details to (02) 9979 6503. _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________ _____________  Bankcard    Visa Card    Master Card Card No. ✂ Enclosed is my cheque/money order for $­__________ or please debit my Signature­­­­­­­­­­­­__________________________  Card expiry date______/______ Name ______________________________________________________ Street ______________________________________________________ Suburb/town ___________________________ Postcode______________ VARIABLE VOLTAGE TRANSFORMER 0-260V, rotary control, new 10 amp, $350.00. Kiwi Electronics 03 9762 2688. DONTRONICS can be found at: http://www.dontronics.com November 1997  95 MicroZed Computers Advertising Index BASIC STAMPS & PIC Tools Altronics................................. 34-36 Scott Edwards Electronics kits in stock, including Counterfeit Stamp Our specialty is easy to learn, easy to use sophisticated CPU based controllers & peripherals, with support Daycom.......................................79 Dick Smith Electronics........... 10-13 PO Box 634, ARMIDALE 2350 (296 Cook’s Rd) Ph (02) 6772 2777 – may time out to Mobile 014 036775 Fax (02 6772 8987 Harbuch Electronics....................91 http://www.microzed.com.au/~microzed Credit cards OK. Send two 45c stamps for info Instant PCBs................................99 Silicon Chip Floppy Index Now available: the complete index to all SILICON CHIP articles since the first issue in November 1987. C COMPILERS: Ever ything you need to develop C and ASM software for 68HC08, 6809, 68HC11, 68HC12, 68HC16, 8051/52, 8080/85, 8086 or 8096: $140.00 each. Macro Cross Assemblers for these CPUs + 6800/01/03/05 and 6502: $140.00 for the set. Debug monitors: $70 for 6 CPUs. All compilers inc ‘HC12, XASMs and monitors: $480. 8051/52 or 80C320 Simulator (fast): $70. Disassemblers for 12 CPUs only $75. Try the new C-FLEA Virtual Machine for small CPUs, build a “C-Stamp”. Demo disk: FREE. All prices + $5 p&p. GRAN­TRONICS PTY LTD, PO Box 275, Wentworthville 2145. Ph/Fax (02) 9631 1236 or Inter­ net: http://www.grantronics.com.au MicroZed new Web page address: http://www.microzed.com.au/~microzed LOGGING AND GRAPH options available for DS1620 and PCVOLTMETER. Mr Softmark, PO Box 1609, Hornsby, NSW 2077. Ph/fax (02) 9482 1565. HOMEMADE GENERATORS: how to instructions. Eight pages free text and colour photos on the Internet at: http://www.onekw.co.nz/ PCBs MADE, ONE OR MANY. Low prices, hobbyists welcome. Sesame Electronics, Ph/Fax (02) 9554 9760. sesame<at>nettrade.com.au 20 SPEAKERS 15 Watt, 4 10 Watt, 2 long horn, 2 short horn with drivers, 800 mtr cable, 4 amplifiers, mixer: $400 the lot (02) 6458 3663. 300 Watt inverter $100, 700 Watt motor generator $700. 96  Silicon Chip 68HC11 & 68HC05 DEVELOPMENT SYSTEMS: Oztechnics, PO Box 38, Illawong, NSW 2234. Phone (02) 9541 0310, fax (02) 9541 0734. http://www.oztechnics.com.au/ Jaycar ............................IFC, 45-52 Rola Australia..............................96 MicroZed Computers...................96 Norbiton Systems........................82 Oatley Electronics........................71 Resurrection Radio......................79 PIC COMPILERS and programmers (the best ones) are available from Micro­­Zed. Rod Irving Electronics .......... 84-88 CHRISTMAS LIGHTS controller gear (as seen in EA) available from Micro­ Zed. Silicon Chip Back Issues....... 92-93 $239 COLOUR VIDEO CAMERAS $239 with uP DIGITAL SIGNAL PROCESSING for Superb Colour Rendition & Long Term Stability. Cigarette Pack size Modules $239 (320 + line), $369 (450 + line, Cameras $319 (320 +), $419 (450 +). Up to 437 664 Element CCDs 752 (H) x 582 (V) for EXTRA HIGH RESOLUTION IMAGES. Options include 8 CHARACTER TITLE GENERATOR, Automatic or Manual White Balance One-Push, 3200, 4600 & 5600K to ensure correct colour balance with various light sources. TWO Back Light Compensation Patterns for difficult lighting situations. Automatic 1/100 000 or Manual Electronic Shutter 1/50, 1/100 Flickerless, 1/250, 1/500, 1/1 000 & 1/10 000. Composite & S-VIDEO outputs. VIDEO & DC Automatic Iris Lens DRIVE outputs. Automatic Black Balance. Also a Wide Range of Lenses from 2.1mm FL. Before you buy Ask for our Illustrated Detailed Price List with FULL SPECIFICATIONS & Application Notes. Allthings Sales & Services, Ph 08 9349 9413 Fax 08 9344 5905. Silicon Chip Binders/Wallcht....OBC Scan Audio..................................61 Silicon Chip Bookshop.................37 Silicon Chip Software..................69 Silicon Chip Subscriptions...........94 Smart Fastchargers.....................61 Zoom Magazine.........................IBC _____________________________ PC Boards Printed circuit boards for SILICON CHIP projects are made by: •  RCS Radio Pty Ltd, 651 Forest Rd, Bexley, NSW 2207. Phone (02) 9587 3491. •  Marday Services, PO Box 19-189, Avondale, Auckland, NZ. Phone (09) 828 5730. MicroZed has 8-pin 6 I/O (up to 4 I/O can be A>D) 12C672 at $5 ea, $6.10 incl S/t. Quartz window version $25 + S/t.