Top 100

  1. UltraSonic Radar - 26847

  2. 500W low cost 12V to 220V inverter - 10612

  3. One Transistor FM Radio - 10390

  4. Video/Audio Wireless Transmitter - 9477

  5. 10 Band Audio Equalizer - 9475

  6. Servo Motor Control with PIC16F84 - 9340

  7. 100W Guitar Amplifier - 7346

  8. 200W audio amplifier - 6984

  9. 100W Audio Amplifier - 6783

  10. 5 band graphic equalizer using a single IC/chip - 6601

  11. Line Robot - 6422

  12. VHF Audio Video Transmitter - 5816

  13. Ultrasonic Parking Sonar - 5704

  14. Led display digital Voltmeter - 5401

  15. 1.5W Audio power amplifier (12V) - 5343

  16. 1 Watt C-Class RF Amplifier - 5327

  17. Baxendall Tone Control - 5298

  18. Two transistor audio amplifier circuit - 5077

  19. 13.8V 20A power supply - 4772

  20. 5-motor walker circuit - 4715

  21. 15W Fm-transmitter - 4487

  22. 4 Watt FM Transmitter - 4405

  23. Capacitor Discharge Ignition Circuit (CDI) - 4404

  24. Simple Op-Amp Radio - 4375

  25. 90S2313 AVR Robot Board - 4224

  26. Video to RF Modulator - 4152

  27. Walker Robot - 4125

  28. 3W FM Transmitter - 4105

  29. Bass-treble tone control circuit - 4046

  30. Bass-treble tone control circuit - 4028

  31. 25W Mosfet audio amplifier - 3972

  32. 60W Bass Amplifier - 3957

  33. MPF102 FM Receiver - 3956

  34. Decibel Meter - 3949

  35. Video Line Selector - 3933

  36. Simple variable frequency oscillator - 3864

  37. Infrared beam barrier/ proximity sensor - 3840

  38. Constant Current Battery Charger - 3757

  39. Stereo Preamplifier with Bass-boost - 3755

  40. 3-30 V/2.5 A Stabilized power supply - 3732

  41. Ni-Cd Battery Auto Charger - 3713

  42. 3 Line Mixer - 3693

  43. 100W RMS Amplifier - 3654

  44. 60W Guitar Amplifier - 3652

  45. LED Photo Sensor - 3644

  46. Electret Microphone Pre-Amplifier - 3591

  47. Digital Volume Control - 3543

  48. Audio / video switch - 3510

  49. CB receiver - 3507

  50. Automatic Room Lights - 3466

  51. Variable 3 - 24 Volt / 3 Amp Power Supply - 3391

  52. RF Modem Robotics Project - 3381

  53. Simple FM Transmitter - 3352

  54. Dome light dimmer for Cars - 3352

  55. Remote control using telephone - 3343

  56. Digital Voltmeter - 3306

  57. Stereo Tone Control - 3305

  58. Composite color video signal travels on twisted-pair cable - 3294

  59. 10W Mini Audio Amplifier - 3280

  60. 50 Watt Amplifier - 3275

  61. AC Line Current Detector - 3208

  62. Amplifier 2x30W with STK465 - 3148

  63. Guitar Amplifier - 3135

  64. Coilless FM transmitter - 3114

  65. VHF Video Transmitter - 3060

  66. Surround Sound Decoder - 3036

  67. The Video / Audio Distribution Amplifier - 2982

  68. 12V Inverter - 2978

  69. 3-Axis Stepper Controller - 2954

  70. 20dB VHF Amplifier - 2938

  71. Control electrical appliances using PC - 2900

  72. 12V Lead-Acid Battery Monitor - 2837

  73. Telephone operated remote control using PIC16F84A microcontroller - 2831

  74. Car Battery Charger - 2787

  75. 1W Bass Power Amplifier - 2785

  76. Zener Diode Tester - 2781

  77. Economy short-wave receiver - 2781

  78. FM radio - 2776

  79. Charge Monitor for 12V lead acid battery - 2737

  80. Ultrasonic pest repellent - 2731

  81. PWM Motor/Light Controller - 2730

  82. MK414 SW Receiver - 2711

  83. Video Switch - 2705

  84. 4W FM Transmitter - 2685

  85. Car anti theft wireless alarm - 2665

  86. FM transmitter - 2631

  87. 0-30 vdc stabilized power supply with current control 0.002-3 a - 2622

  88. Active Antenna for Medium Wave - 2614

  89. Basic UPS Power Supply - 2604

  90. Water Level Indicator with alarm - 2601

  91. Power-Off Time Delay Relay - 2594

  92. Digital Volume Control - 2571

  93. IR Detector for Robotics - 2560

  94. Improved 3 Transistor Audio Amp (80 milliwatt) - 2541

  95. Isolation between antenna network and TV/radio equipment - 2533

  96. Band 2 Preamplifier - 2525

  97. Touch Activated Light - 2521

  98. TRIAC Light Dimmer - 2521

  99. 12-way Input/Output Interface - 2500

  100. Digital Volume Control - 2499