Electronics: The Maplin Magazine (March 1987 - May 1987)

The March-May 1987 issue of Electronics: The Maplin Magazine is packed with comprehensive articles, detailed projects, and insightful features catering to electronics enthusiasts and professionals alike. The magazine covers topics such as MIDI interfacing techniques, designing Hi-Fi loudspeakers and enclosures, building a 4½ digit counter, and constructing a weather satellite down converter. Feature articles delve into advanced subjects including AC voltage measurement, the history of radio, and machine code programming with the Z80. Regular sections provide updates on catalog amendments, classified advertisements, new books, and top kits.

1. Projects

   • MIDI Interfacing Techniques - Page 2
   • Hi-Fi Loudspeakers and Enclosures - Page 19
   • Keypad for Z80 CPU - Page 28
   • 4½ Digit Counter - Page 35
   • Weather Satellite Down Converter Part 1 - Page 46
   • Mini-Circuits - Page 58

2. Features

   • Test Gear and Measurements - Page 9
   • Watts in an Amp? - Page 14
   • Story of Radio - Page 38
   • Machine Code Programming with the Z80 - Page 43
   • Which Bipolar? - Page 51

3. Regulars

   • Catalogue Amendments - Page 64
   • Classified Advertisements - Page 64
   • Corrigenda - Page 64
   • New Books - Page 57
   • Order Coupon - Page 33
   • Price Changes List - Page 32
   • Prize Draw Winners - Page 64
   • Subscriptions - Page 34
   • Top 20 Books - Page 56
   • Top 20 Kits - Page 63