Top 100

  1. UltraSonic Radar - 27603

  2. 20dB VHF Amplifier - 18286

  3. 500W low cost 12V to 220V inverter - 10722

  4. One Transistor FM Radio - 10632

  5. Video/Audio Wireless Transmitter - 9780

  6. Servo Motor Control with PIC16F84 - 9733

  7. 10 Band Audio Equalizer - 9667

  8. 100W Guitar Amplifier - 7552

  9. 200W audio amplifier - 7126

  10. 100W Audio Amplifier - 6897

  11. 5 band graphic equalizer using a single IC/chip - 6772

  12. Line Robot - 6670

  13. VHF Audio Video Transmitter - 6351

  14. 1 Watt C-Class RF Amplifier - 6130

  15. Ultrasonic Parking Sonar - 5964

  16. Led display digital Voltmeter - 5706

  17. 1.5W Audio power amplifier (12V) - 5600

  18. Baxendall Tone Control - 5539

  19. Two transistor audio amplifier circuit - 5434

  20. 13.8V 20A power supply - 4930

  21. 4 Watt FM Transmitter - 4838

  22. 5-motor walker circuit - 4797

  23. 15W Fm-transmitter - 4660

  24. 90S2313 AVR Robot Board - 4509

  25. Simple Op-Amp Radio - 4455

  26. Capacitor Discharge Ignition Circuit (CDI) - 4452

  27. Walker Robot - 4362

  28. Video to RF Modulator - 4287

  29. Video Line Selector - 4279

  30. 3W FM Transmitter - 4236

  31. Bass-treble tone control circuit - 4175

  32. Bass-treble tone control circuit - 4137

  33. MPF102 FM Receiver - 4102

  34. 25W Mosfet audio amplifier - 4097

  35. 3 Line Mixer - 4082

  36. 60W Bass Amplifier - 4081

  37. Decibel Meter - 4078

  38. Simple variable frequency oscillator - 3963

  39. Infrared beam barrier/ proximity sensor - 3936

  40. 3-30 V/2.5 A Stabilized power supply - 3928

  41. Digital Voltmeter - 3919

  42. Constant Current Battery Charger - 3841

  43. Stereo Preamplifier with Bass-boost - 3831

  44. Ni-Cd Battery Auto Charger - 3793

  45. Electret Microphone Pre-Amplifier - 3791

  46. 100W RMS Amplifier - 3785

  47. LED Photo Sensor - 3717

  48. 60W Guitar Amplifier - 3712

  49. CB receiver - 3694

  50. Composite color video signal travels on twisted-pair cable - 3647

  51. Audio / video switch - 3644

  52. RF Modem Robotics Project - 3628

  53. Digital Volume Control - 3623

  54. Simple FM Transmitter - 3606

  55. Stereo Tone Control - 3580

  56. Remote control using telephone - 3530

  57. Automatic Room Lights - 3518

  58. Variable 3 - 24 Volt / 3 Amp Power Supply - 3443

  59. 50 Watt Amplifier - 3437

  60. Dome light dimmer for Cars - 3427

  61. Surround Sound Decoder - 3415

  62. VHF Video Transmitter - 3368

  63. 10W Mini Audio Amplifier - 3347

  64. AC Line Current Detector - 3254

  65. Amplifier 2x30W with STK465 - 3248

  66. Coilless FM transmitter - 3228

  67. Guitar Amplifier - 3218

  68. Economy short-wave receiver - 3198

  69. Active Antenna for Medium Wave - 3150

  70. The Video / Audio Distribution Amplifier - 3106

  71. 12V Inverter - 3052

  72. 3-Axis Stepper Controller - 3032

  73. MK414 SW Receiver - 2990

  74. 1W Bass Power Amplifier - 2985

  75. Control electrical appliances using PC - 2952

  76. Telephone operated remote control using PIC16F84A microcontroller - 2927

  77. Zener Diode Tester - 2919

  78. 12V Lead-Acid Battery Monitor - 2918

  79. Car Battery Charger - 2877

  80. FM radio - 2861

  81. Video Switch - 2819

  82. Ultrasonic pest repellent - 2811

  83. Charge Monitor for 12V lead acid battery - 2809

  84. 4W FM Transmitter - 2803

  85. 0-30 vdc stabilized power supply with current control 0.002-3 a - 2801

  86. Band 2 Preamplifier - 2793

  87. Car anti theft wireless alarm - 2787

  88. PWM Motor/Light Controller - 2784

  89. FM transmitter - 2782

  90. Coil-less FM Transmitter - 2727

  91. Video Signal Amplifier - 2676

  92. Water Level Indicator with alarm - 2672

  93. Video Distributor Amplifier - 2671

  94. 1GHz Simple Frequency Counter - 2670

  95. Digital Volume Control - 2669

  96. Isolation between antenna network and TV/radio equipment - 2657

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

  98. Power-Off Time Delay Relay - 2644

  99. Basic UPS Power Supply - 2644

  100. A small FM transmitter (SMD) - 2635