Silicon ChipContents - May 1993 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: Silicon Chip to be published in the USA
  4. Review: Dynaudio Image 4 Loudspeakers by Leo Simpson
  5. Feature: The Microsoft Windows Sound System by Darren Yates
  6. Project: A Nicad Cell Discharger by John Clarke
  7. Project: Build The Woofer Stopper by Darren Yates
  8. Project: Remote Volume Control For Hifi Systems; Pt.1 by John Clarke
  9. Serviceman's Log: From little acorns, giant oak trees grow by The TV Serviceman
  10. Feature: Remote Control by Bob Young
  11. Vintage Radio: A few old receivers from the 1920s by John Hill
  12. Project: Alphanumeric LCD Demonstration Board by Darren Yates
  13. Project: A Low-Cost Mini Gas Laser by Flavio Spadalieri
  14. Product Showcase
  15. Feature: Computer Bits by Joe Elkhorne
  16. Feature: Amateur Radio by Garry Cratt, VK2YBX3
  17. Back Issues
  18. Feature: The Story Of Electrical Energy; Pt.24 by Bryan Maher
  19. Order Form
  20. Market Centre
  21. Advertising Index
  22. Outer Back Cover

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

You can view 51 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.

Items relevant to "A Nicad Cell Discharger":
  • Nicad Cell Discharger PCB pattern (PDF download) [14305931] (Free)
Items relevant to "Build The Woofer Stopper":
  • Silicon Chip article scan, May 1993 - Woofer Stopper (AUD $10.00)
  • Woofer Stopper PCB pattern (PDF download) [03105931] (Free)
Items relevant to "Remote Volume Control For Hifi Systems; Pt.1":
  • Remote Volume Control for Hifi Systems PCB patterns (PDF download) [01305931/2] (Free)
Articles in this series:
  • Remote Volume Control For Hifi Systems; Pt.1 (May 1993)
  • Remote Volume Control For Hifi Systems; Pt.2 (June 1993)
Articles in this series:
  • Remote Control (May 1993)
  • Remote Control (June 1993)
  • Remote Control (July 1993)
  • Remote Control (August 1993)
Items relevant to "Alphanumeric LCD Demonstration Board":
  • DOS software for the Alphanumeric LCD Demo Board (Free)
  • Alphanumeric Display Demo Board PCB pattern (PDF download) [07106931] (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)
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:
  • 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)
Vo/.6, No.5; May 1993 FEATURES 4 Hifi Review: Dynaudio Image 4 Loudspeakers by Leo Simpson Two-way system can handle 1000W transients REJUVENATE THOSE TIRED nicad cells with this simple project. It will correctly discharge any nicad cell so that it can then be recharged to full capacity - see page 20. 16 The Microsoft Windows Sound System by Darren Yates New software lets you talk to your PC 86 The Story Of Electrical Energy, Pt.23 by Bryan Maher Winning the white metal - the story of aluminium I PROJECTS TO BUILD la W"OOF:ER s •r o J?PBR( i,t;.,,: 'vj ,·.;;~~ .. 20 A Nicad Cell Discharger by John Clarke Build it & rejuvenate those tired nicad cells 26 Build The Woofer Stopper by Darren Yates It zaps barking mutts with a supersonic tone 32 Remote Volume Control For Hifi Systems by John Clarke Adjust your stereo system from your armchair ZAP THAT BARKING DOG next door with the Woofer Stopper. It produces a retaliatory high energy supersonic (20kHz) tone that discourages further barking. Turn to page 26. 64 Alphanumeric LCD Demonstration Board by Darren Yates Plugs into the printer port of your PC 70 A Low-Cost Mini Gas Laser by Flavio Spedalieri Build a laser pointer for $60 SPECIAL COLUMNS 40 Serviceman's Log by the TV Serviceman From little acorns, giant oak trees grow 53 Remote Control by Bob Young Unmanned aircraft - the ultimate in remote control 56 Vintage Radio by John Hill A few old receivers from the 1920s 64 Computer Bits by Joe Elkhorne Upgrading to a 386 - more on kludging a computer THIS TRANSMITTER & its companion receiver will let you adjust the volume & channel balance of your stereo system from the comfort of your armchair. Details page 32. 82 Amateur Radio by Garry Cratt Kenwood's mighty little TH-28A & TH-78A transceivers DEPARTMENTS 2 7 8 70 Publisher's Letter Mailbag Circuit Notebook Product Showcase 84 Back Issues Ask Silicon Chip Notes & Errata Order Form Market Centre 96 Advertising Index 90 92 93 94 BUILD THIS PROJECT & find out how alphanumeric LCD panels work. It interfaces to the printer port of your PC - see page 64. MAY 1993 1