Top 100

  1. UltraSonic Radar - 27414

  2. 20dB VHF Amplifier - 18073

  3. 500W low cost 12V to 220V inverter - 10712

  4. One Transistor FM Radio - 10526

  5. Video/Audio Wireless Transmitter - 9701

  6. 10 Band Audio Equalizer - 9646

  7. Servo Motor Control with PIC16F84 - 9643

  8. 100W Guitar Amplifier - 7539

  9. 200W audio amplifier - 7092

  10. 100W Audio Amplifier - 6888

  11. 5 band graphic equalizer using a single IC/chip - 6720

  12. Line Robot - 6572

  13. VHF Audio Video Transmitter - 6194

  14. 1 Watt C-Class RF Amplifier - 5964

  15. Ultrasonic Parking Sonar - 5860

  16. Led display digital Voltmeter - 5610

  17. 1.5W Audio power amplifier (12V) - 5482

  18. Baxendall Tone Control - 5444

  19. Two transistor audio amplifier circuit - 5329

  20. 13.8V 20A power supply - 4853

  21. 5-motor walker circuit - 4781

  22. 4 Watt FM Transmitter - 4717

  23. 15W Fm-transmitter - 4638

  24. Simple Op-Amp Radio - 4448

  25. Capacitor Discharge Ignition Circuit (CDI) - 4439

  26. 90S2313 AVR Robot Board - 4400

  27. Video to RF Modulator - 4274

  28. Walker Robot - 4267

  29. 3W FM Transmitter - 4227

  30. Video Line Selector - 4185

  31. Bass-treble tone control circuit - 4169

  32. Bass-treble tone control circuit - 4124

  33. 25W Mosfet audio amplifier - 4077

  34. MPF102 FM Receiver - 4076

  35. 60W Bass Amplifier - 4056

  36. 3 Line Mixer - 4036

  37. Decibel Meter - 4033

  38. Simple variable frequency oscillator - 3949

  39. Infrared beam barrier/ proximity sensor - 3925

  40. 3-30 V/2.5 A Stabilized power supply - 3917

  41. Constant Current Battery Charger - 3827

  42. Stereo Preamplifier with Bass-boost - 3823

  43. Electret Microphone Pre-Amplifier - 3780

  44. Ni-Cd Battery Auto Charger - 3775

  45. Digital Voltmeter - 3760

  46. 100W RMS Amplifier - 3756

  47. LED Photo Sensor - 3700

  48. 60W Guitar Amplifier - 3695

  49. CB receiver - 3670

  50. Audio / video switch - 3631

  51. Digital Volume Control - 3615

  52. Composite color video signal travels on twisted-pair cable - 3579

  53. RF Modem Robotics Project - 3538

  54. Automatic Room Lights - 3509

  55. Simple FM Transmitter - 3489

  56. Stereo Tone Control - 3476

  57. Variable 3 - 24 Volt / 3 Amp Power Supply - 3431

  58. Remote control using telephone - 3421

  59. Dome light dimmer for Cars - 3419

  60. 50 Watt Amplifier - 3405

  61. Surround Sound Decoder - 3397

  62. VHF Video Transmitter - 3327

  63. 10W Mini Audio Amplifier - 3326

  64. AC Line Current Detector - 3244

  65. Amplifier 2x30W with STK465 - 3236

  66. Coilless FM transmitter - 3218

  67. Guitar Amplifier - 3206

  68. The Video / Audio Distribution Amplifier - 3082

  69. 12V Inverter - 3041

  70. 3-Axis Stepper Controller - 3019

  71. Economy short-wave receiver - 2999

  72. Control electrical appliances using PC - 2935

  73. Active Antenna for Medium Wave - 2928

  74. 1W Bass Power Amplifier - 2911

  75. 12V Lead-Acid Battery Monitor - 2906

  76. Telephone operated remote control using PIC16F84A microcontroller - 2893

  77. Zener Diode Tester - 2888

  78. MK414 SW Receiver - 2865

  79. Car Battery Charger - 2862

  80. FM radio - 2839

  81. Charge Monitor for 12V lead acid battery - 2800

  82. Video Switch - 2789

  83. 4W FM Transmitter - 2781

  84. Ultrasonic pest repellent - 2778

  85. PWM Motor/Light Controller - 2771

  86. FM transmitter - 2768

  87. 0-30 vdc stabilized power supply with current control 0.002-3 a - 2748

  88. Car anti theft wireless alarm - 2728

  89. Band 2 Preamplifier - 2679

  90. Water Level Indicator with alarm - 2663

  91. Digital Volume Control - 2652

  92. Coil-less FM Transmitter - 2638

  93. 1GHz Simple Frequency Counter - 2635

  94. Basic UPS Power Supply - 2634

  95. Power-Off Time Delay Relay - 2633

  96. Improved 3 Transistor Audio Amp (80 milliwatt) - 2630

  97. Isolation between antenna network and TV/radio equipment - 2618

  98. IR Detector for Robotics - 2599

  99. A small FM transmitter (SMD) - 2598

  100. Video Signal Amplifier - 2598