Silicon ChipMarket Centre - October 1993 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: The technical aspects of modern blockbuster movies
  4. Feature: Darwin To Adelaide On Solar Power by Brian Woodward
  5. Feature: Electronic Engine Management; Pt.1 by Julian Edgar
  6. Feature: Mini Disc Is Here! by Leo Simpson
  7. Review: Magnet: S-621 2-Way Loudspeakers by Leo Simpson
  8. Project: Courtesy Light Switch-Off Timer For Cars by John Clarke
  9. Feature: Computer Bits by Darren Yates
  10. Order Form
  11. Project: Stereo Preamplifier With IR Remote Control; Pt.2 by John Clarke
  12. Serviceman's Log: Dead sets aren't always easy by The TV Serviceman
  13. Project: FM Wireless Microphone For Musicians by Branco Justic
  14. Feature: Amateur Radio by Garry Cratt, VK2YBX
  15. Project: Build A Binary Clock by Michael Vos
  16. Feature: Programming the Motorola 68HC705C8 by Barry Rozema
  17. Feature: Remote Control by Bob Young
  18. Product Showcase
  19. Vintage Radio: Those never-ending repair problems by John Hill
  20. Back Issues
  21. Market Centre
  22. Advertising Index
  23. Outer Back Cover

This is only a preview of the October 1993 issue of Silicon Chip.

You can view 36 of the 104 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:
  • Darwin To Adelaide On Solar Power (October 1993)
  • The World Solar Challenge (November 1993)
  • The World Solar Challenge (January 1994)
Articles in this series:
  • Electronic Engine Management; Pt.1 (October 1993)
  • Electronic Engine Management; Pt.2 (November 1993)
  • Electronic Engine Management; Pt.3 (December 1993)
  • Electronic Engine Management; Pt.4 (January 1994)
  • Electronic Engine Management; Pt.5 (February 1994)
  • Electronic Engine Management; Pt.6 (March 1994)
  • Electronic Engine Management; Pt.7 (April 1994)
  • Electronic Engine Management; Pt.8 (May 1994)
  • Electronic Engine Management; Pt.9 (June 1994)
  • Electronic Engine Management; Pt.10 (July 1994)
  • Electronic Engine Management; Pt.11 (August 1994)
  • Electronic Engine Management; Pt.12 (September 1994)
  • Electronic Engine Management; Pt.13 (October 1994)
Items relevant to "Courtesy Light Switch-Off Timer For Cars":
  • Courtesy Light Timer PCB pattern (PDF download) [05209931] (Free)
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)
Items relevant to "Stereo Preamplifier With IR Remote Control; Pt.2":
  • IR Remote Control Stereo Preamplifier PCB patterns (PDF download) [01308931/2] (Free)
Articles in this series:
  • Stereo Preamplifier With IR Remote Control; Pt.1 (September 1993)
  • Stereo Preamplifier With IR Remote Control; Pt.2 (October 1993)
  • Stereo Preamplifier With IR Remote Control; Pt.3 (November 1993)
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:
  • Programming The Motorola 68HC705C8 (July 1993)
  • Programming the Motorola 68HC705C8 (October 1993)
  • Programming The 68HC705C8 Microcontroller (December 1993)
Articles in this series:
  • Remote Control (September 1993)
  • Remote Control (October 1993)
MARKET CENTRE Cash in your surplus gear. Advertise it here in Silicon Chip. ANTIQUE RADIO ANTIQUE RADIO RESTORATIONS: specialist restoration service provided for vintage radios, test equipment & sales. Service includes chassis rewiring, recondensering, valve testing & mechanical refurbishment. Rejuvenation of wooden, bakelite & metal cabinets. Plenty of parts – require details for mail order. About 1200 radios within 16,000 square feet. Two-year warranty on full restoration. Open on Saturday 10am-4.30pm; Sunday 12.30-4.30pm. 109 Cann St, Bass Hill, NSW 2197 Phone (02) 645 3173 BH or (02) 726 1613 AH. FOR SALE WEATHER FAX programs for IBM XT/ ATs *** “RADFAX2” $35 is a high resolution, shortwave weather fax, Morse & RTTY receiving program. Suitable for CGA, EGA, VGA and Hercules cards (state which). Needs SSB HF radio & Radfax decoder. *** “SATFAX” $45 is a NOAA, Meteor & GMS weather satellite picture receiving program. Needs EGA or VGA plus “WEATHER FAX” PC card. *** “MAXISAT” $75 is similar to SATFAX but needs 2Mb expanded memory (EMS 3.6 or 4.0) and 1024 x 768 SVGA card. All programs are on 5.25-inch or 3.5-inch disks (state which) & include documentation. Add $3 postage. Only from M. Delahunty, 42 Villiers St, New Farm, Qld 4005. Phone (07) 358 2785. THE HOMEBUILT DYNAMO: (plans) brushless, 1000 DC watt at 740 revs. $A85 postpaid airmail from Al Forbes, PO Box 3919 - SC, Auckland, NZ. Phone Auckland (09) 818 8967 any time. Rotor magnets (3700 gauss) kit now available. PEER TO PEER NETWORK SOFTWARE: for IBM PCs. The “$25 Network” links 2 or 3 PCs via serial ports at up to 115K bps. Uses only 15K RAM. Only $40. “Little Big LAN” offers multi-user record locking, linking via serial, parallel and/or Arcnet cards, up to 250 nodes CLASSIFIED ADVERTISING RATES 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): $20 per column centimetre (Max. 10cm). Closing date: five weeks prior to month of sale. To run your classified ad, print it clearly on a separate sheet of paper, fill out the form below & send both with your cheque or credit card details to: Silicon Chip Classifieds, PO Box 139, Collaroy Beach, NSW 2097. Or fax the details to (02) 979 6503. and print spooling. Only $95. Both support printer re-direction. Prices are for a whole network. Add $3 for postage in Australia. For more information, send SASE to GRANTRONICS, PO Box 275, Wentworthville 2145. Phone A/H (02) 631 1236. TEST EQUIPMENT: Trio CS2070 4-channel CRO with probes, Philips PM6456 FM MPX Signal Generator, Philips PM5326 AM/FM RF Signal Generator & Sweep Oscillator, Philips AM/SSB 201 CB Transceiver incl. mic, Leader LPM880 RF Power Meter, Leader LMV181A AC Millivoltmeter, Heath IG18 Sine/Square Audio Generator, Yaesu FT200 Transceiver incl. mic & speaker. All in good condition and in working order. Service manuals available for most items. The lot $3000 or will negotiate separately. Contact Norm Hughes (018) 38 2288. PC PRINTER PORT controlled I/O, 32 bits in, 32 bits out. Expandable. Heaps of demo programs, flow charts, circuits, drivers in 8088 & Basic. Short form kit, includes promo disk $35. Don McKensize, 29 Ellesmere Crescent, Tullamarine 3043. Phone (03) 338 6286. SUBSTITUTE FOR A HANDFUL OF ICs: Parallax “BASIC STAMP”. A gen­er­al purpose small circuit module, it is really a 25 x 50mm board with a computer chip (4MHz PIC 16C56), EEPROM, 8 I/O pins, board space includes prototyping area. Program it on a PC (only ❏ Bankcard   ❏ Visa Card   ❏ Master Card Card No. ✂ Enclosed is my cheque/money order for $­__________ or please debit my RCS RADIO PTY LTD Signature­­­­­­­­­­­­__________________________ Card expiry date______/______ Name ______________________________________________________ Street ______________________________________________________ Suburb/town ___________________________ Postcode______________ RCS Radio Pty Ltd is the only company that manufactures and sells every PC board and front panel published in SILICON CHIP, ETI and EA. RCS Radio Pty Ltd, 651 Forest Rd, Bexley 2207. Phone (02) 587 3491 October 1993  103 TRANSFORMER REWINDS ALL TYPES OF TRANSFORMER REWINDS TRANSFORMER REWINDS Reply Paid No.2, PO Box 438, Singleton, NSW 2330. Ph: (065) 76 1291. Fax: (065) 76 1003. ICL 286 Board Kits All in one board with two serial, printer, IBM keyboard, high density floppy & IDE mono video interface. Up to 4Mb RAM, 80286-16cpu, MS-DOS compatible, 130 page manual, small size 170mm x 255mm. Max I/O kit for PCs, 7 relays, ADC, DAC, stepper driver, TTL inputs, with software $169 PC I/O card with 8255 chip 24 I/O lines programmable as inputs or outputs $69 1.5 watt AM broadcast transmitter XTAL locked $49 2.5 watt FM broadcast transmitter 88-108MHz. $49 Digi-125 audio power amp (over 19,000 sold since 1987) 50 watt/8 $14 125 watt/4 $19 New 200 watt/2 version $29 Infrared relay kit $9 Remote control tester $4 $299 Ampo little PC All in one NEC V40 CPU board, MS-DOS compatible, high density floppy. SCSI hard disk, 2 serial, printer, solid state hard disk, IBM keyboard interface, (4W), CMOS single +5V rail, up to 768Kb RAM, 384Kb ROM, 145mm x 250mm, 98page manual. $299 P.C. Computers 36 Regent St, Kensington, SA. Phone (08) 332 6513. MEMORY & DRIVES PRICES AT OCTOBER 2ND, 1993 SIMM 1Mb x 3 70ns 1Mb x 9 70ns 4Mb (72-pin) 4Mb x 9 70ns 4Mb x 8 80ns $80 $95 $320 $270 $250 DRAM DIP 1 x 1Mb 70ns 256 x 4 70ns 1Mb x 4 Z DRIVES SEAG 42Mb SEAG 107Mb SEAG 130Mb SEAG 214Mb SEAG 261Mb 28ms 15ms 16ms 16ms 16ms $10 $8 $35 $190 $283 $290 $343 $390 IBM PS.2 50/55/70 70/35 90/95 2Mb 4Mb 4Mb $130 $320 $320 TOSHIBA T3200SX T44/6400 T5200 4Mb 4Mb 8Mb $340 $340 $680 MAC 2Mb SI & LC 4Mb P’Book $150 $330 CO-PROCESSORS 387SX to 25 $110 387DX to 33 $110 Laser PTR HP with 2Mb $203 Sales tax 21%. Overnight delivery. Credit cards welcome. SPRINKLER CONTROLLER KITS: standard and enhanced versions avail­ able. Very reliable and versatile designs control 8 stations and have 32 programmable START and RUN times. These kits use latest technology I2C chips (refer SILICON CHIP July 1992). All settings stored in EEPROM. Kits come complete with LCD and case. Standard version $135 incl. p&p. Enhanced version uses 68705U3 and has built-in calendar, al104  Silicon Chip Antique Radio Restorations.......103 A-One Electronics.................. 64-65 Applied Electro Systems..............85 Av-Comm.....................................69 Binary Engineering......................91 Cebus Australia...........................89 Darren Yates................................61 David Reid Electronics ..............89 Dick Smith Electronics........... 12-15 D & K Wilson Electronics.............97 Emtronics.....................................21 1st Floor, 100 Yarrara Rd, PO Box 382, Pennant Hills, 2120. Harbuch Electronics....................89 Tel: (02) 980 6988 Fax: (02) 980 6991 PELHAM LCD Alphanumeric Display Board Software Remote Preamplifier Microprocessor VALVE TESTERS, meters, valve hifi, broadcast microphones. SAE to P, Hadgraft, 17 Paxton St, Holland Park, Qld 4121. Altronics .........................IFC, 36-38 Ring for Latest Prices Software allows a PC to drive the Alphanumeric display board (SC May 93). Available in 5.25" or 3.5" MS-DOS format for only $9.95 + $2.05p+p. 33 instructions) with development kit which includes one “BASIC STAMP” ($245 incl. post), extra modules ($66 incl. post). Send 45c stamp for more information. Parallax distributor and techni­cal support in Australia: MicroZed Computers, PO Box 634, Armi­ dale, NSW 2350. Facsimile (067) 72 8987. MICASOFT Electronics and Computing tutor program, written in UK, ideal for TAFE, schools, or individual use. Now available in Australia. Send $1.80 in stamps for demo disk (tell us what size). MicroZed Computers, PO Box 634, Armidale 2350. Advertising Index Heart of Remote preamplifier project (SC Sept 93) and Remote Volume Control (SC June 93). 68HC705C8P preprogrammed microprocessor. Only $45 + $6p+p. SILICON CHIP magazine, (02) 979 5644. Payment by cheque/money order or credit card (BankCard, MasterCard, Visa) Instant PCBs..............................104 Jaycar ................................... 49-56 JV Tuners.....................................61 Kenwood Australia.......................29 Macservice................................ 6-7 Oatley Electronics........................33 PC Computers...........................104 Pelham......................................104 Peter C. Lacey Services..............58 Resurrection Radio......................97 RCS Radio ................................103 Rod Irving Electronics .......... 74-79 Silicon Chip Back Issues....... 98-99 Silicon Chip Binders....................63 Silicon Supply & Manufacturing...81 Technical Applications.................92 EEM Electronics Printed circuit board assembly, switchmode power supplies repaired. Design work from start to finish. Ring anytime 9am-9pm Mon-Sun. (03) 4011393 lowing day of fortnight watering, (ie SA, SU, MO, etc), externally triggerable cycles and rain switch software. $175 incl. p&p. Requires 24V AC. Relays extra at $3.75 each (require 9 for full kit). Kits and further info from Graham Blowes, Mantis Micro Products, 38 Garnet St, Niddrie 3042. Phone (03) 337 1917 (AH), (03) 575 3349 (BH). Fax (03) 575 3369. VISIBLE RED 5mW LASER diode brass module, 18.5mm long x 11.5mm diameter. Just add 2 x 1.5V batteries. Switch, holder included. $109. Hitachi 5mW laser diode HL6711G 670nm Tektronix......................................27 Transformer Rewinds.................104 Yokogawa..................................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) 587 3491. • Marday Services, PO Box 19-189, Avondale, Auckland, NZ. Phone (09) 828 5730. • H. T. Electronics, 35 Valley View Crescent, Hackham West, SA 5163. Phone (08) 326 5590. $52. Alpine Technologies, phone/fax (03) 751 1989. PRINTED CIRCUIT BOARDS for the hobbyist. For service & enquiries contact: T. A. Mowles (08) 326 5590.