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PART1
Some Basic Ideas and Components		  
PART 2
Operational Amplifiers and Digital Electronics		  
PART 3

Circuit Number

  
Two Transistor Radio 1
LED Flasher 2
Relay Driver 3
Sound Operated Switch 4
Infra-Red Switch 5
Low Power Amplifier 6
Simple Alarms 7
Long Duration Timer 8
"Person Counter" 9
I.R. Headphone System 10
Stepper Motor Driver 11
Optically Isolated Triac Driver 12
Combination locks 13
Reaction Timer 14
Sound to Light 15
10 Watt Power Amplifier 16
Triac Light Dimmer 17
Stroboscope 18
Appendix 1
Fault Finding 		 
Appendix 2 Resistor/Capacitor Colour Code  
Appendix 3
Pin Connections 		 

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