Silicon ChipContents - April 2005 SILICON CHIP
  1. Outer Front Cover
  2. Contents
  3. Publisher's Letter: Reader feedback is welcome
  4. Feature: Install Your Own In-Car Video by Gary Rollans
  5. Project: Build A MIDI Theremin, Pt.1 by John Clarke
  6. Feature: The Start Of Colour TV In Australia, Pt.2 by Keith Walters
  7. Project: Bass Extender For Hifi Systems by Rick Walters
  8. Project: Build A Professional Sports Scoreboard, Pt.2 by Jim Rowe
  9. Project: SMS Controller Add-Ons by Peter Smith
  10. Vintage Radio: The mysterious Monarch D671/32 from Astor by Rodney Champness
  11. Salvage It: A $5 variable voltage power supply by Julian Edgar
  12. Back Issues
  13. Advertising Index
  14. Outer Back Cover

This is only a preview of the April 2005 issue of Silicon Chip.

You can view 35 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.

Items relevant to "Build A MIDI Theremin, Pt.1":
  • PIC16F88 firmware and accompanying software for the MIDI Theremin (Free)
  • PCB Patterns for the MIDI Theremin (PDF download) [01204051/2] (Free)
  • MIDI Theremin front panel artwork (PDF download) (Free)
Articles in this series:
  • Build A MIDI Theremin, Pt.1 (April 2005)
  • MIDI Theremin, Pt II (May 2005)
Articles in this series:
  • The Start Of Colour TV In Australia, Pt.1 (March 2005)
  • The Start Of Colour TV In Australia, Pt.2 (April 2005)
Items relevant to "Bass Extender For Hifi Systems":
  • Bass Extender PCB pattern (PDF download) [01104051] (Free)
  • BASS Extender front panel artwork (PDF download) (Free)
Articles in this series:
  • Build A Professional Sports Scoreboard, Pt.1 (March 2005)
  • Build A Professional Sports Scoreboard, Pt.2 (April 2005)
  • Pro Scoreboard, Pt III (May 2005)

Purchase a printed copy of this issue for $10.00.
Contents Vol.18, No.4; April 2005 www.siliconchip.com.au FEATURES   8 Install Your Own In-Car Video Want a reversing monitor and/or an in-car navigation system? Or how about a back-seat screen for entertainment video? Here’s how to do-it-yourself and save money – by Gary Rollans 15 Atlas SCR – Thyristor & Triac Tester You just connect the test leads to the device in any order and press the test button for go/no-go indication – by Peter Smith 36 The Start Of Colour TV In Australia, Pt.2 The sets that we bought 30 years ago and their problems – by Keith Walters Build A MIDI Theremin – Page 24. PROJECTS TO BUILD 24 Build A MIDI Theremin, Pt.1 Connect it to your PC or to a MIDI synthesiser for a truly awesome array of sound possibilities – by John Clarke 60 Bass Extender For Hifi Systems Want an extra octave of bass response from your loudspeakers? This simple circuit will get them pumping – by Rick Walters 70 Build A Professional Sports Scoreboard, Pt.2 Second article has the Control Console assembly plus the control board assembly for the main display unit – by Jim Rowe 78 SMS Controller Add-Ons Install Your Own In-Car Video System – Page 8. Here are three handy add-ons for your SMS Controller: a simple test jig, a PIR sensor interface and a low battery alarm – by Peter Smith SPECIAL COLUMNS 44 Serviceman’s Log Tempest tortures Turkish Teac – by the TV Serviceman 66 Circuit Notebook (1) Automatic Security Lights; (2) Op Amp Auto-Zero Circuit; (3) Synthetic Floating Negative Inductor; (4) Plugpack Checker 80 Vintage Radio The mysterious Monarch D671/32 from Astor – by Rodney Champness Bass Extender – Page 60. 88 Salvage It! A $5 variable voltage power supply – by Julian Edgar DEPARTMENTS   2   4 57 90 Publisher’s Letter Mailbag Product Showcase Order Form siliconchip.com.au 94 97 100 103 Ask Silicon Chip Notes & Errata Market Centre Ad Index $5 Variable Voltage Power Supply – Page 88. April 2005  1