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Electronics: The Maplin Magazine (June 1993)

Written by: Pete Luckhurst

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Time to read 2 min

The June 1993 issue of Electronics: The Maplin Magazine offers a deeper look into various electronics projects, including a versatile modular mixer suitable for a range of audio applications, and an IBM PC opto-isolator card designed to protect sensitive equipment from electrical noise. The issue also explores troubleshooting techniques for digital circuits, providing readers with the skills to diagnose and fix common issues. Furthermore, it delves into the world of professional audio equipment, offering insights into the technical aspects that ensure high-quality sound production. The magazine also covers the latest technological advancements, such as high-definition television, and introduces new products like the Citizen LCD monitor, highlighting the evolving landscape of electronics.


Table of Contents

Projects for You to Build


  1. 6/12 Channel Modular Mixer: A comprehensive guide on combining previously described modules to construct a versatile 6, 8, or 12 channel mixer.
  2. Industrial Electronics Assembly: Keith Brindley provides an inside look at how electronic products are assembled using modern manufacturing techniques.
  3. IBM PC Opto-Isolator Card: A project that equips your IBM PC or compatible with eight opto-isolated inputs and outputs, easily controlled from BASIC.

Features - Essential Reading


  1. How to Troubleshoot Digital Circuits: Graham Dixey offers practical advice on diagnosing and fixing issues in digital circuits.
  2. Analogue & Digital Development Unit: An introduction to a unit featuring multi-output fixed and variable power supplies, logic indicators, switched logic outputs, and an oscillator.
  3. Young Radio Hams: Ian Poole makes it easier than ever to become a licensed radio amateur.
  4. Computer Viruses: An essential read by Frank on the risks of computer viruses and how to protect against them.

Special Projects


  1. Torch Locator: A simple yet effective project to guide you to a nearby torch in the event of a power failure.
  2. Audible TTL Logic Probe: An easy-to-build project that helps keep your eyes on the circuit under test by emitting low or high pitch tones.
  3. Incident Command Vehicle: Discover an innovative crowd control and mobile security vehicle loaded with high-tech equipment.

Insights and Reviews


  1. The History of Computers: A light-hearted look at the development of the modern computer.
  2. Understanding and Using Professional Audio Equipment: BC engineer Tim Wilkinson continues his explanation of microphone types and techniques.

Regulars Not to Be Missed


  1. 12V DC to 240V AC Inverter: Learn how to power mains appliances from a 12V supply with this ingenious unit, ideal for caravanning or as the basis of an uninterruptible power supply.
  2. Citizen LCD Monitor Review: A review for those concerned about the long-term effects of using conventional VDUs.

General Sections


  • About This Issue / Technology Watch
  • News Report
  • Top 20 WS / Next Issue
  • Readers Letters
  • Stray Signals
  • News Extra
  • How to Subscribe
  • Brands Hatch Competition Coupon
  • Classified Adverts
  • Top 20 Books

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About the author

Pete Luckhurst is a Website Manager at Maplin.

After getting an early start in the world of computing with C64 & Amiga computers, Pete now spends much of his spare time in PC VR and dabbling in game development. He also has a strong interest in film, photography and music.

Among other endeavours, he previously worked in a Maplin store, so it was a no-brainer when the opportunity arose to work on the modern incarnation of Maplin online. Besides writing for the blog, Pete works alongside the Maplin team to help keep the online store running smoothly.