Top 100

  1. UltraSonic Radar - 27801

  2. 20dB VHF Amplifier - 18488

  3. One Transistor FM Radio - 10780

  4. 500W low cost 12V to 220V inverter - 10726

  5. Video/Audio Wireless Transmitter - 9899

  6. Servo Motor Control with PIC16F84 - 9844

  7. 10 Band Audio Equalizer - 9670

  8. 100W Guitar Amplifier - 7561

  9. 200W audio amplifier - 7129

  10. 100W Audio Amplifier - 6918

  11. 5 band graphic equalizer using a single IC/chip - 6794

  12. Line Robot - 6785

  13. VHF Audio Video Transmitter - 6492

  14. 1 Watt C-Class RF Amplifier - 6280

  15. Ultrasonic Parking Sonar - 6129

  16. Led display digital Voltmeter - 5836

  17. 1.5W Audio power amplifier (12V) - 5783

  18. Baxendall Tone Control - 5677

  19. Two transistor audio amplifier circuit - 5571

  20. 13.8V 20A power supply - 5062

  21. 4 Watt FM Transmitter - 5012

  22. 5-motor walker circuit - 4806

  23. 15W Fm-transmitter - 4674

  24. 90S2313 AVR Robot Board - 4623

  25. Walker Robot - 4474

  26. Capacitor Discharge Ignition Circuit (CDI) - 4472

  27. Simple Op-Amp Radio - 4457

  28. Video Line Selector - 4328

  29. Video to RF Modulator - 4292

  30. 3W FM Transmitter - 4241

  31. 3 Line Mixer - 4238

  32. Bass-treble tone control circuit - 4228

  33. Bass-treble tone control circuit - 4149

  34. Digital Voltmeter - 4116

  35. MPF102 FM Receiver - 4112

  36. 25W Mosfet audio amplifier - 4109

  37. 60W Bass Amplifier - 4093

  38. Decibel Meter - 4088

  39. Simple variable frequency oscillator - 3991

  40. Infrared beam barrier/ proximity sensor - 3950

  41. 3-30 V/2.5 A Stabilized power supply - 3933

  42. Electret Microphone Pre-Amplifier - 3909

  43. Constant Current Battery Charger - 3846

  44. Stereo Preamplifier with Bass-boost - 3834

  45. 100W RMS Amplifier - 3801

  46. Ni-Cd Battery Auto Charger - 3793

  47. Composite color video signal travels on twisted-pair cable - 3774

  48. Simple FM Transmitter - 3756

  49. 60W Guitar Amplifier - 3743

  50. RF Modem Robotics Project - 3731

  51. LED Photo Sensor - 3722

  52. Stereo Tone Control - 3719

  53. CB receiver - 3709

  54. Remote control using telephone - 3654

  55. Audio / video switch - 3648

  56. Digital Volume Control - 3634

  57. Automatic Room Lights - 3524

  58. 50 Watt Amplifier - 3466

  59. Variable 3 - 24 Volt / 3 Amp Power Supply - 3445

  60. Dome light dimmer for Cars - 3437

  61. Surround Sound Decoder - 3416

  62. Active Antenna for Medium Wave - 3385

  63. VHF Video Transmitter - 3371

  64. 10W Mini Audio Amplifier - 3368

  65. Economy short-wave receiver - 3338

  66. AC Line Current Detector - 3258

  67. Amplifier 2x30W with STK465 - 3255

  68. Guitar Amplifier - 3234

  69. Coilless FM transmitter - 3230

  70. MK414 SW Receiver - 3121

  71. The Video / Audio Distribution Amplifier - 3116

  72. 1W Bass Power Amplifier - 3105

  73. 12V Inverter - 3062

  74. 3-Axis Stepper Controller - 3036

  75. Control electrical appliances using PC - 2961

  76. 12V Lead-Acid Battery Monitor - 2947

  77. Telephone operated remote control using PIC16F84A microcontroller - 2935

  78. Zener Diode Tester - 2928

  79. Band 2 Preamplifier - 2923

  80. Car Battery Charger - 2891

  81. FM radio - 2867

  82. Coil-less FM Transmitter - 2867

  83. Car anti theft wireless alarm - 2836

  84. 0-30 vdc stabilized power supply with current control 0.002-3 a - 2834

  85. Video Switch - 2826

  86. Ultrasonic pest repellent - 2819

  87. Charge Monitor for 12V lead acid battery - 2814

  88. 4W FM Transmitter - 2808

  89. PWM Motor/Light Controller - 2808

  90. Video Distributor Amplifier - 2804

  91. Video Signal Amplifier - 2802

  92. FM transmitter - 2795

  93. 60 Light Sequencer using a Matrix - 2718

  94. DC Motor Control Circuit - 2697

  95. Isolation between antenna network and TV/radio equipment - 2695

  96. 1GHz Simple Frequency Counter - 2682

  97. Water Level Indicator with alarm - 2682

  98. Long range FM transmitter - 2681

  99. A small FM transmitter (SMD) - 2675

  100. Digital Volume Control - 2674