Top 100

  1. UltraSonic Radar - 27979

  2. 20dB VHF Amplifier - 18528

  3. One Transistor FM Radio - 10853

  4. 500W low cost 12V to 220V inverter - 10745

  5. Video/Audio Wireless Transmitter - 9974

  6. Servo Motor Control with PIC16F84 - 9912

  7. 10 Band Audio Equalizer - 9695

  8. 100W Guitar Amplifier - 7645

  9. 200W audio amplifier - 7154

  10. 100W Audio Amplifier - 6970

  11. Line Robot - 6860

  12. 5 band graphic equalizer using a single IC/chip - 6846

  13. VHF Audio Video Transmitter - 6565

  14. 1 Watt C-Class RF Amplifier - 6397

  15. Ultrasonic Parking Sonar - 6221

  16. Led display digital Voltmeter - 5944

  17. 1.5W Audio power amplifier (12V) - 5837

  18. Baxendall Tone Control - 5751

  19. Two transistor audio amplifier circuit - 5633

  20. 13.8V 20A power supply - 5144

  21. 4 Watt FM Transmitter - 5083

  22. 5-motor walker circuit - 4835

  23. 15W Fm-transmitter - 4724

  24. 90S2313 AVR Robot Board - 4694

  25. Walker Robot - 4546

  26. Capacitor Discharge Ignition Circuit (CDI) - 4512

  27. Simple Op-Amp Radio - 4484

  28. 3 Line Mixer - 4389

  29. Video Line Selector - 4389

  30. Video to RF Modulator - 4308

  31. 3W FM Transmitter - 4265

  32. Bass-treble tone control circuit - 4261

  33. Digital Voltmeter - 4219

  34. Bass-treble tone control circuit - 4175

  35. MPF102 FM Receiver - 4147

  36. 25W Mosfet audio amplifier - 4133

  37. Decibel Meter - 4130

  38. 60W Bass Amplifier - 4127

  39. Simple variable frequency oscillator - 4019

  40. Electret Microphone Pre-Amplifier - 3982

  41. Infrared beam barrier/ proximity sensor - 3973

  42. 3-30 V/2.5 A Stabilized power supply - 3970

  43. Stereo Preamplifier with Bass-boost - 3868

  44. Constant Current Battery Charger - 3864

  45. 100W RMS Amplifier - 3848

  46. Ni-Cd Battery Auto Charger - 3842

  47. Stereo Tone Control - 3820

  48. Composite color video signal travels on twisted-pair cable - 3818

  49. Simple FM Transmitter - 3812

  50. 60W Guitar Amplifier - 3788

  51. RF Modem Robotics Project - 3781

  52. LED Photo Sensor - 3746

  53. CB receiver - 3738

  54. Remote control using telephone - 3719

  55. Audio / video switch - 3670

  56. Digital Volume Control - 3666

  57. Automatic Room Lights - 3550

  58. 50 Watt Amplifier - 3492

  59. Variable 3 - 24 Volt / 3 Amp Power Supply - 3465

  60. Active Antenna for Medium Wave - 3465

  61. Dome light dimmer for Cars - 3458

  62. Surround Sound Decoder - 3432

  63. 10W Mini Audio Amplifier - 3399

  64. Economy short-wave receiver - 3394

  65. VHF Video Transmitter - 3388

  66. Amplifier 2x30W with STK465 - 3285

  67. AC Line Current Detector - 3280

  68. Guitar Amplifier - 3271

  69. Coilless FM transmitter - 3244

  70. MK414 SW Receiver - 3175

  71. 1W Bass Power Amplifier - 3146

  72. The Video / Audio Distribution Amplifier - 3138

  73. 12V Inverter - 3099

  74. 3-Axis Stepper Controller - 3062

  75. Control electrical appliances using PC - 2991

  76. 12V Lead-Acid Battery Monitor - 2980

  77. Coil-less FM Transmitter - 2965

  78. Band 2 Preamplifier - 2964

  79. Zener Diode Tester - 2958

  80. Telephone operated remote control using PIC16F84A microcontroller - 2947

  81. Car Battery Charger - 2937

  82. FM radio - 2914

  83. 0-30 vdc stabilized power supply with current control 0.002-3 a - 2895

  84. Video Signal Amplifier - 2890

  85. Video Distributor Amplifier - 2885

  86. Ultrasonic pest repellent - 2872

  87. Video Switch - 2867

  88. Car anti theft wireless alarm - 2856

  89. Charge Monitor for 12V lead acid battery - 2840

  90. 4W FM Transmitter - 2836

  91. PWM Motor/Light Controller - 2833

  92. FM transmitter - 2827

  93. Isolation between antenna network and TV/radio equipment - 2765

  94. Balanced Low Noise Microphone Preamp - 2758

  95. 60 Light Sequencer using a Matrix - 2756

  96. Long range FM transmitter - 2743

  97. DC Motor Control Circuit - 2736

  98. Digital Volume Control - 2733

  99. 1GHz Simple Frequency Counter - 2728

  100. A small FM transmitter (SMD) - 2708