Manual

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TABLE OF CONTENTS
Before We Begin Page 4
Installing the Batteries 4
Making Wire Connections 5
Components 5
Building Your First Project 9
Troubleshooting 10
Helpful Suggestions 10
I. PLAYGROUND OF ELECTRONIC CIRCUITS 11
1. Woodpecker 12
2. Police Siren 13
3. Metronome 14
4. Grandfather Clock 15
5. Harp 16
6. Tweeting Bird 17
7. Meowing Cat 18
8. Calling’ Fish 19
9. Strobe Light 20
10. Sound Effects for Horror Movies 21
11. Machine Gun Oscillator 22
12. Motorcycle Mania 23
13. Vision Test 24
14. Patrol Car Siren 25
II. BASIC ELECTRONICS CIRCUITS 26
A MAJOR CHANGE 27
15. Dimming the Light 28
16. Flip Flopping 29
17. Capacitor Discharge Flash 30
18. Transistor Action 31
19. Series and Parallel Capacitors 32
20. Transistor Switching 33
21. Series and Parallel Resistors 34
22. Amplify the Sound 35
III. LED DISPLAY CIRCUITS 36
23. LED Display Basics 37
24.
Digital Display Circuit for the Seven-Segment LED 38
25. LED Display with CdS and Transistor 39
26. Switching the LED Display Using Transistor Control 40
IV. WELCOME TO DIGITAL CIRCUITS 41
27. “Flip-Flop” Transistor Circuit 42
28. “Toggle Flip-Flop” Transistor 43
29. “AND” Diode Transistor Logic with LED Display 44
30. “OR” DTL Circuit with Display 45
31. “NAND” DTL Circuit with Display 46
32. “NOR” Transistor Circuit with Display 47
33. “Exclusive OR” DTL Circuit 48
V. MORE FUN WITH DIGITAL CIRCUITS 49
34. “BUFFER” GATE using TTL 50
35. “INVERTER” GATE using TTL 51
36. “AND” GATE using TTL 52
37. “OR” GATE using TTL 53
38. “R-S Flip-Flop” using TTL 54
39. “Triple-Input AND” Gate using TTL 55
40. “AND” Enable Circuit using TTL 56
41. “NAND” Enable Circuit using TTL 57
42. “NOR” Enable Circuit using TTL 58
43. “NAND” Gate Making a Toggle Flip-Flop 59
44. “Exclusive OR” GATE using TTL 60
45. “OR” Enable Circuit using TTL 61
46. Line Selector using TTL 62
47. Data Selector using TTL 63
I
mportant: If you encounter any problems with this kit, DO NOT RETURN TO RETAILER. Call toll-free (800) 533-
2441 or e-mail us at: [e-mail]. Customer Service • 150 Carpenter Ave. • Wheeling, IL 60090 U.S.A.
• Do not short circuit the battery
terminals.
• Never throw batteries in a fire or
attempt to open its outer casing.
•
Use only 1.5V “AA” type, alkaline
batteries (not included).
• Insert batteries with correct polarity.
• Do not mix alkaline, standard (carbon-
zinc), or rechargeable (nickel-
cadmium) batteries.
• Non-rechargeable batteries should not
be recharged. Rechargeable batteries
should only be charged under adult
supervision, and should not be
recharged while in the product.
• Do not mix old and new batteries.
• Remove batteries when they are used
up.
• Batteries are harmful if swallowed, so
keep away from small children.
WARNING: Always check your wiring before
t
urning on a circuit. Never leave a circuit
unattended while the batteries are installed.
Never connect additional batteries or any
other power sources to your circuits.
WARNING:
CHOKING HAZARD - Small parts.
Not for children under 3 years.
Conforms to all applicable U.S. government
requirements.
Batteries:
!
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