Electronics Projects

1. 1.5 Volt LED Flashers

2. 33-Volt Tunning Voltage

3. 9 Volt 2 Amp Power Supply

4. AC Line powered LEDs

5. Audio Booster

6. Automatic Dual output Display

7. Automatic Room Power Control

8. Bass -Treble Tone Control

9. Battery tester

10. Capacitance Bridge

11. CD-ROM Drive as Digital-audio CD-Player

12. Clap Switch

13. Condenser mic audio amplifier

14. Contactless AC Mains Voltage Detector

15. Dark Activated Switch

16. Darkness Controlled Light switch

17. DC MOTOR CONTROL USING A SINGLE SWITCH

18. Decibel Meter

19. Digital Switching System

20. Electronic Stethoscope

21. Fan Controller

22. Flashing-cum-Running Light

23. FM Beacon Broadcast Transmitter (88-108 MHz)

24. Four-in-one burglar alarm

25. FRIENDLY CHARGER FOR MOBILE PHONES

26. Frost Alarm

27. Game Show Timer

28. Generating -5 Volts From a 9 Volt Battery

29. High and Low Voltage Cutout with Delay and Melody

30. High Current Voltage Regulator

31. Infra Red Switch

32. Infrared Cordless Headphone

33. INFRARED TOY CAR MOTOR CONTROLLER

34. Intruder Radio Alert system

35. LED 12 Volt Lead Acid Battery Meter

36. LED Chaser

37. Low Cost Automatic Gate Light With A Musical Bell

38. Multi-Melody Generator with Instrumental Effect

39. Smart Cellphone Holder

40. Smart Foot Switch

41. Three-Color Display using Bicolor LEDs