Top 100

  1. UltraSonic Radar - 27283

  2. 20dB VHF Amplifier - 17390

  3. 500W low cost 12V to 220V inverter - 10687

  4. One Transistor FM Radio - 10497

  5. Video/Audio Wireless Transmitter - 9665

  6. 10 Band Audio Equalizer - 9602

  7. Servo Motor Control with PIC16F84 - 9592

  8. 100W Guitar Amplifier - 7515

  9. 200W audio amplifier - 7075

  10. 100W Audio Amplifier - 6856

  11. 5 band graphic equalizer using a single IC/chip - 6677

  12. Line Robot - 6535

  13. VHF Audio Video Transmitter - 6119

  14. 1 Watt C-Class RF Amplifier - 5856

  15. Ultrasonic Parking Sonar - 5793

  16. Led display digital Voltmeter - 5552

  17. 1.5W Audio power amplifier (12V) - 5441

  18. Baxendall Tone Control - 5393

  19. Two transistor audio amplifier circuit - 5266

  20. 13.8V 20A power supply - 4826

  21. 5-motor walker circuit - 4764

  22. 4 Watt FM Transmitter - 4665

  23. 15W Fm-transmitter - 4585

  24. Simple Op-Amp Radio - 4423

  25. Capacitor Discharge Ignition Circuit (CDI) - 4420

  26. 90S2313 AVR Robot Board - 4329

  27. Video to RF Modulator - 4254

  28. Walker Robot - 4225

  29. 3W FM Transmitter - 4204

  30. Bass-treble tone control circuit - 4155

  31. Video Line Selector - 4140

  32. Bass-treble tone control circuit - 4100

  33. 25W Mosfet audio amplifier - 4051

  34. MPF102 FM Receiver - 4042

  35. 60W Bass Amplifier - 4017

  36. Decibel Meter - 3999

  37. 3 Line Mixer - 3958

  38. Simple variable frequency oscillator - 3926

  39. 3-30 V/2.5 A Stabilized power supply - 3895

  40. Infrared beam barrier/ proximity sensor - 3886

  41. Constant Current Battery Charger - 3808

  42. Stereo Preamplifier with Bass-boost - 3806

  43. Electret Microphone Pre-Amplifier - 3754

  44. Ni-Cd Battery Auto Charger - 3745

  45. 100W RMS Amplifier - 3710

  46. Digital Voltmeter - 3706

  47. 60W Guitar Amplifier - 3681

  48. LED Photo Sensor - 3673

  49. CB receiver - 3627

  50. Audio / video switch - 3609

  51. Digital Volume Control - 3587

  52. Composite color video signal travels on twisted-pair cable - 3546

  53. Automatic Room Lights - 3490

  54. RF Modem Robotics Project - 3470

  55. Simple FM Transmitter - 3444

  56. Variable 3 - 24 Volt / 3 Amp Power Supply - 3413

  57. Stereo Tone Control - 3412

  58. Dome light dimmer for Cars - 3401

  59. Remote control using telephone - 3391

  60. 50 Watt Amplifier - 3370

  61. Surround Sound Decoder - 3368

  62. 10W Mini Audio Amplifier - 3307

  63. VHF Video Transmitter - 3267

  64. AC Line Current Detector - 3223

  65. Amplifier 2x30W with STK465 - 3204

  66. Guitar Amplifier - 3192

  67. Coilless FM transmitter - 3191

  68. The Video / Audio Distribution Amplifier - 3055

  69. 12V Inverter - 3026

  70. 3-Axis Stepper Controller - 3006

  71. Control electrical appliances using PC - 2917

  72. Economy short-wave receiver - 2891

  73. 12V Lead-Acid Battery Monitor - 2882

  74. Telephone operated remote control using PIC16F84A microcontroller - 2871

  75. 1W Bass Power Amplifier - 2865

  76. Zener Diode Tester - 2860

  77. Active Antenna for Medium Wave - 2838

  78. Car Battery Charger - 2838

  79. FM radio - 2819

  80. Charge Monitor for 12V lead acid battery - 2781

  81. MK414 SW Receiver - 2775

  82. Video Switch - 2763

  83. PWM Motor/Light Controller - 2758

  84. 4W FM Transmitter - 2751

  85. Ultrasonic pest repellent - 2748

  86. FM transmitter - 2738

  87. 0-30 vdc stabilized power supply with current control 0.002-3 a - 2717

  88. Car anti theft wireless alarm - 2695

  89. Water Level Indicator with alarm - 2650

  90. Digital Volume Control - 2623

  91. Power-Off Time Delay Relay - 2621

  92. Basic UPS Power Supply - 2616

  93. Improved 3 Transistor Audio Amp (80 milliwatt) - 2601

  94. Band 2 Preamplifier - 2598

  95. IR Detector for Robotics - 2582

  96. A small FM transmitter (SMD) - 2577

  97. Isolation between antenna network and TV/radio equipment - 2574

  98. 1GHz Simple Frequency Counter - 2570

  99. 12-way Input/Output Interface - 2567

  100. Video Signal Amplifier - 2561