Top 100

  1. UltraSonic Radar - 27762

  2. 20dB VHF Amplifier - 18460

  3. One Transistor FM Radio - 10746

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

  5. Video/Audio Wireless Transmitter - 9868

  6. Servo Motor Control with PIC16F84 - 9820

  7. 10 Band Audio Equalizer - 9668

  8. 100W Guitar Amplifier - 7561

  9. 200W audio amplifier - 7128

  10. 100W Audio Amplifier - 6918

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

  12. Line Robot - 6760

  13. VHF Audio Video Transmitter - 6459

  14. 1 Watt C-Class RF Amplifier - 6243

  15. Ultrasonic Parking Sonar - 6079

  16. Led display digital Voltmeter - 5805

  17. 1.5W Audio power amplifier (12V) - 5737

  18. Baxendall Tone Control - 5642

  19. Two transistor audio amplifier circuit - 5537

  20. 13.8V 20A power supply - 5029

  21. 4 Watt FM Transmitter - 4967

  22. 5-motor walker circuit - 4803

  23. 15W Fm-transmitter - 4668

  24. 90S2313 AVR Robot Board - 4598

  25. Simple Op-Amp Radio - 4457

  26. Capacitor Discharge Ignition Circuit (CDI) - 4454

  27. Walker Robot - 4448

  28. Video Line Selector - 4321

  29. Video to RF Modulator - 4290

  30. 3W FM Transmitter - 4241

  31. Bass-treble tone control circuit - 4200

  32. 3 Line Mixer - 4199

  33. Bass-treble tone control circuit - 4149

  34. MPF102 FM Receiver - 4107

  35. 25W Mosfet audio amplifier - 4106

  36. 60W Bass Amplifier - 4088

  37. Decibel Meter - 4086

  38. Digital Voltmeter - 4082

  39. Simple variable frequency oscillator - 3990

  40. Infrared beam barrier/ proximity sensor - 3949

  41. 3-30 V/2.5 A Stabilized power supply - 3932

  42. Electret Microphone Pre-Amplifier - 3883

  43. Constant Current Battery Charger - 3845

  44. Stereo Preamplifier with Bass-boost - 3833

  45. 100W RMS Amplifier - 3800

  46. Ni-Cd Battery Auto Charger - 3793

  47. Composite color video signal travels on twisted-pair cable - 3749

  48. 60W Guitar Amplifier - 3739

  49. LED Photo Sensor - 3722

  50. Simple FM Transmitter - 3722

  51. RF Modem Robotics Project - 3710

  52. CB receiver - 3705

  53. Stereo Tone Control - 3685

  54. Audio / video switch - 3646

  55. Digital Volume Control - 3634

  56. Remote control using telephone - 3623

  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. VHF Video Transmitter - 3370

  63. 10W Mini Audio Amplifier - 3368

  64. Active Antenna for Medium Wave - 3355

  65. Economy short-wave receiver - 3305

  66. AC Line Current Detector - 3258

  67. Amplifier 2x30W with STK465 - 3253

  68. Guitar Amplifier - 3233

  69. Coilless FM transmitter - 3230

  70. The Video / Audio Distribution Amplifier - 3114

  71. MK414 SW Receiver - 3089

  72. 1W Bass Power Amplifier - 3076

  73. 12V Inverter - 3061

  74. 3-Axis Stepper Controller - 3033

  75. Control electrical appliances using PC - 2958

  76. 12V Lead-Acid Battery Monitor - 2943

  77. Telephone operated remote control using PIC16F84A microcontroller - 2933

  78. Zener Diode Tester - 2927

  79. Band 2 Preamplifier - 2899

  80. Car Battery Charger - 2887

  81. FM radio - 2867

  82. Car anti theft wireless alarm - 2835

  83. Coil-less FM Transmitter - 2833

  84. 0-30 vdc stabilized power supply with current control 0.002-3 a - 2825

  85. Video Switch - 2824

  86. Ultrasonic pest repellent - 2818

  87. Charge Monitor for 12V lead acid battery - 2811

  88. 4W FM Transmitter - 2808

  89. PWM Motor/Light Controller - 2808

  90. FM transmitter - 2793

  91. Video Signal Amplifier - 2771

  92. Video Distributor Amplifier - 2768

  93. 60 Light Sequencer using a Matrix - 2702

  94. Water Level Indicator with alarm - 2682

  95. Isolation between antenna network and TV/radio equipment - 2682

  96. 1GHz Simple Frequency Counter - 2679

  97. A small FM transmitter (SMD) - 2674

  98. Digital Volume Control - 2673

  99. DC Motor Control Circuit - 2659

  100. Basic UPS Power Supply - 2651