Top 100

  1. UltraSonic Radar - 27727

  2. 20dB VHF Amplifier - 18448

  3. One Transistor FM Radio - 10734

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

  5. Video/Audio Wireless Transmitter - 9855

  6. Servo Motor Control with PIC16F84 - 9812

  7. 10 Band Audio Equalizer - 9668

  8. 100W Guitar Amplifier - 7561

  9. 200W audio amplifier - 7128

  10. 100W Audio Amplifier - 6917

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

  12. Line Robot - 6750

  13. VHF Audio Video Transmitter - 6446

  14. 1 Watt C-Class RF Amplifier - 6227

  15. Ultrasonic Parking Sonar - 6058

  16. Led display digital Voltmeter - 5790

  17. 1.5W Audio power amplifier (12V) - 5717

  18. Baxendall Tone Control - 5630

  19. Two transistor audio amplifier circuit - 5525

  20. 13.8V 20A power supply - 5016

  21. 4 Watt FM Transmitter - 4956

  22. 5-motor walker circuit - 4803

  23. 15W Fm-transmitter - 4667

  24. 90S2313 AVR Robot Board - 4586

  25. Simple Op-Amp Radio - 4457

  26. Capacitor Discharge Ignition Circuit (CDI) - 4454

  27. Walker Robot - 4437

  28. Video Line Selector - 4319

  29. Video to RF Modulator - 4290

  30. 3W FM Transmitter - 4241

  31. Bass-treble tone control circuit - 4200

  32. 3 Line Mixer - 4186

  33. Bass-treble tone control circuit - 4149

  34. 25W Mosfet audio amplifier - 4106

  35. MPF102 FM Receiver - 4103

  36. 60W Bass Amplifier - 4088

  37. Decibel Meter - 4086

  38. Digital Voltmeter - 4059

  39. Simple variable frequency oscillator - 3990

  40. Infrared beam barrier/ proximity sensor - 3949

  41. 3-30 V/2.5 A Stabilized power supply - 3931

  42. Electret Microphone Pre-Amplifier - 3871

  43. Constant Current Battery Charger - 3844

  44. Stereo Preamplifier with Bass-boost - 3833

  45. 100W RMS Amplifier - 3799

  46. Ni-Cd Battery Auto Charger - 3793

  47. 60W Guitar Amplifier - 3739

  48. Composite color video signal travels on twisted-pair cable - 3730

  49. LED Photo Sensor - 3720

  50. Simple FM Transmitter - 3710

  51. CB receiver - 3702

  52. RF Modem Robotics Project - 3702

  53. Stereo Tone Control - 3672

  54. Audio / video switch - 3646

  55. Digital Volume Control - 3633

  56. Remote control using telephone - 3610

  57. Automatic Room Lights - 3521

  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 - 3334

  65. Economy short-wave receiver - 3293

  66. AC Line Current Detector - 3258

  67. Amplifier 2x30W with STK465 - 3252

  68. Guitar Amplifier - 3233

  69. Coilless FM transmitter - 3230

  70. The Video / Audio Distribution Amplifier - 3112

  71. MK414 SW Receiver - 3077

  72. 1W Bass Power Amplifier - 3064

  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. Car Battery Charger - 2887

  80. Band 2 Preamplifier - 2887

  81. FM radio - 2861

  82. Video Switch - 2824

  83. 0-30 vdc stabilized power supply with current control 0.002-3 a - 2824

  84. Car anti theft wireless alarm - 2822

  85. Coil-less FM Transmitter - 2821

  86. Ultrasonic pest repellent - 2818

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

  88. PWM Motor/Light Controller - 2807

  89. 4W FM Transmitter - 2807

  90. FM transmitter - 2793

  91. Video Signal Amplifier - 2759

  92. Video Distributor Amplifier - 2756

  93. 60 Light Sequencer using a Matrix - 2697

  94. Water Level Indicator with alarm - 2682

  95. 1GHz Simple Frequency Counter - 2679

  96. Isolation between antenna network and TV/radio equipment - 2678

  97. A small FM transmitter (SMD) - 2674

  98. Digital Volume Control - 2673

  99. Basic UPS Power Supply - 2651

  100. Improved 3 Transistor Audio Amp (80 milliwatt) - 2648