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MX-905 75 in 1
PROJECTS
I. BASIC SEMICONDUCTOR AND COMPONENT CIRCUITS
1. Resistors in Series and Parallel 9
2. Switching Circuit 11
3. Comparator 12
4. Window Comparator 13
5. Winking LEDs 14
6. Light Dimmer 15
7. Strobe Light 16
8. Constant-Current Circuit 17
9. Schmitt Trigger Circuit 18
10. Capacitor in Series and Parallel 19
11. RC Oscillator 20
12. Constant Voltage Circuit 21
13. Touch Switch 22
14. Low-Pass Filter 23
15. Summing Amplifier 24
16. One Shot LED 25
III. ENTERTAINMENT CIRCUITS
A Big Change 26
17. Electronic Siren 28
18. Electronic Cat 28
19. Electronic Metronome 29
20. The Chirping Bird 29
21. Machine Gun Pulse Oscillator 30
22. Pencil Lead Organ 30
23. Sound Light 31
24. Two-Tone Patrol Car Siren 31
25. Daylight Early Bird 32
26. Intermittent Alarm Generator 32
27. Electronic Woodpecker 33
28. Rain Drop 33
29. Photo Variable Oscillator 34
30. Sound Machine 34
31. Voltage Controlled Oscillator 35
32. Power Amplifier 35
II. THE WORLD DIGITAL CIRCUITS
33. Transistor AND Gate Circuit 37
34. Transistor OR Gate Circuit 37
35 Transistor NAND Gate Circuit 38
36. Transistor NOR Gate Circuit 38
37. Transistor Flip-Flop Circuit 39
38. Timer LED 39
39. Bistable Multivibrator 40
40. Reset/Set Flip-Flop 40
41. OP Amplifier AND Circuit 41
42. OP Amplifier OR Circuit 41
43. OP Amplifier Three Input NAND Gate 42
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IV. ELECTRONIC APPLICATION CIRCUITS
44. Pulse Width Modulation 44
45. Motion Detector 44
46. Burglar Alarm 45
47. Shot in the Dark 45
48. Water Level Alarm 46
49. Photo Alarm 46
50. Timer Buzzer 47
51. Sound Alarm 47
52. Photo Level Alarm 48
53. Four Step Water Level Indicator 48
54. Four Level Photometer 49
55. Electronic Candle 49
56. Motion LED 50
57. Light Dimmer by Pulse Control 50
58. Sound Sensor Timer 51
59. Logic Tester 51
60. Conductivity Tester 52
61. Voltage Detector 53
62. Electronic Coin Toss 53
63. Intermittent Light 54
64. Two-Stage Timer LED 55
65. DC-DC Converter 56
66. Two-Stage Timer Sound 57
67. Sound Level Meter 58
68. DC-DC Converter (Negative) 59
69. Optical Volume 59
70. Quick Draw 60
71. Sawtooth Wave Oscillator 61
72. Marching LEDs 62
73. Electronic Organ 63
74. First Aid Siren 63
75. Falling Bomb Sound 64
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