1 - Poor Light Indicator
2 - Curtain Controller
3 - Dark Sensor (Transistor)
4 - Dark Sensor (Darlington)
5 - Light Sensor (Transistor)
6 - Light Sensor (Darlington)
7 - Light Counter
8 - Dark Sensor (No adjustment)
9 - Light Intensity
10 - A Mousetrap. (Light)
11 - Light Sensing (Operational amplifier)
12 - Remote Sensing (Fibre Optic Cable)
13 - Cold Sensor (Transistor)  297kb
14 - Cold Sensor (Darlington)
15 - Heat Sensor (Transistor)
16 - Heat Sensor (Darlington)
17 - Heat Sensor (Operational amplifier)
18 - Ice warning (Operational amplifier)
19 - Plant Protection (Heat)
20 - LM 335Z (Precision temperature sensor)
21 - Two-tone siren
22 - Noise switch
23 - Electronic organ
24 - Music IC
25 - Jewellery box sound switch
26 - Morse code trainer
27 - Metronome 250kb
28 - Two-way intercom
29 - Wet sensor (Transistor)
30 - Wet sensor (Darlington)
31 - Dry sensor (Transistor)
32 - Dry sensor (Darlington)
33 - Rain alarm
34 - Plant watering
35 - Bath level indicator
36 - Automatic clothes line
37 - 555 (on for a period)
38 - 555 (Off for a period)
39 - Timer (transistor)
40 - Transistor (Extended timer)
41 - Timer (Thyristor)
42 - 555 Touch timer
43 - Timer (Op-amp)
44 - 555 Astable
45 - Astable latched
46 - Set time ON/OFF
47 - Cupboard Alarm
48 - The 3909 timer
49 - Cat flap
50 - Light Chaser
51 - Led Dice (555)
52 - Heads or tails (555)
53 - Lottery Predictor
54 - 7-Segment Display
55 - Pyramid display
56 - Traffic Lights
57 - Improved traffic lights
58 - 10 Bar LED Driver
59 - Bike Indicators
60 - Trailer indicators
61 - 4 Light levels
62 - 4 Heat levels
63 - Fuse tester
64 - Flashing badge
65 - Simple torch
66 - An OR Gate
67 - An AND Switch
68 - A Twoöway switch
69 - Dimmer switch
70 - A continuity tester
71 - Steady hand game
72 - Steady hand game (timer)
73 - Test your grip
74 - Majority decision
75 - Quiz controller
76 - Lights out
77 - Bicycle alarm
78 - Intruder alarm
79 - House protection
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80 - Micro-switch alarm
81 - Toolbox protection
82 - Personal alarm
83 - Steep Gradient sensor
84 - Infra red sensor
85 - Smoke alarm (Deaf person)
86 - Motor speed control (Transistor)
87 - Motor speed control (Mark Space)
88 - Stepper motor (Single step)
89 - Stepper Motor (Multi-Step)
90 - Motor reversal
91 - Instant stop (motor)
92 - Motor reversal/instant stop
93 - Motor (on for a period)
94 - Single Pulse Counter
95 - Stopwatch
96 - Remote Counter
97 - Slotted Opto Switch counter
98 - Up/Down Counter
99 - Infrared Sensor (2m)
100 - Metal Detector
101 - 1Train of Pulses
102 - Safe Parking
103 - Find Your Way
104 - Rotary Lock
105 - Keypad Lock
106 - Battery Tester
107 - AM Radio Receiver
108 - OR Gate
109 - AND Gate
110 - Long Period Timer
111 - Intercom (Baby warning)
112 - Ultrasonic Transmitter / Receiver
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