- Peak indicator for loudspeakers
- Central car locking control
- Timecode interface for slide control (2):
CONSTRUCTION - Fibre optics (1):
- Measurement techniques (7):
High-frequency measurements - Asymmetrical-to-symmetrical converter
- Remote control ICs MV500 and MV601 (Plessey Semiconductors)
- ZAP51: an 87C51 programmer
- Build the Opticalock (1):
- Keyboard circuit
- Cheap. efficient. strategic fire alarm
- Understanding the EDIF standard
- Plotter driver