UltraSonic Radar - 23011
500W low cost 12V to 220V inverter - 9883
One Transistor FM Radio - 9084
10 Band Audio Equalizer - 8820
Servo Motor Control with PIC16F84 - 7790
Video/Audio Wireless Transmitter - 7716
200W audio amplifier - 6491
100W Guitar Amplifier - 6423
100W Audio Amplifier - 6345
5 band graphic equalizer using a single IC/chip - 6322
Line Robot - 5908
Led display digital Voltmeter - 4630
Baxendall Tone Control - 4582
1.5W Audio power amplifier (12V) - 4447
VHF Audio Video Transmitter - 4384
5-motor walker circuit - 4287
15W Fm-transmitter - 4110
13.8V 20A power supply - 4069
Ultrasonic Parking Sonar - 4017
Capacitor Discharge Ignition Circuit (CDI) - 3950
Simple Op-Amp Radio - 3948
Two transistor audio amplifier circuit - 3887
3W FM Transmitter - 3754
Bass-treble tone control circuit - 3751
Walker Robot - 3674
Bass-treble tone control circuit - 3638
90S2313 AVR Robot Board - 3570
Decibel Meter - 3567
Infrared beam barrier/ proximity sensor - 3535
1 Watt C-Class RF Amplifier - 3532
Constant Current Battery Charger - 3496
Stereo Preamplifier with Bass-boost - 3482
Simple variable frequency oscillator - 3473
60W Bass Amplifier - 3413
4 Watt FM Transmitter - 3377
100W RMS Amplifier - 3353
Digital Volume Control - 3269
LED Photo Sensor - 3256
Audio / video switch - 3217
Dome light dimmer for Cars - 3191
Video to RF Modulator - 3122
Automatic Room Lights - 3075
MPF102 FM Receiver - 3062
Remote control using telephone - 3044
10W Mini Audio Amplifier - 2997
60W Guitar Amplifier - 2983
Variable 3 - 24 Volt / 3 Amp Power Supply - 2971
Guitar Amplifier - 2947
50 Watt Amplifier - 2911
CB receiver - 2869
RF Modem Robotics Project - 2864
25W Mosfet audio amplifier - 2834
Coilless FM transmitter - 2829
Electret Microphone Pre-Amplifier - 2752
Control electrical appliances using PC - 2747
Composite color video signal travels on twisted-pair cable - 2711
Stereo Tone Control - 2705
Amplifier 2x30W with STK465 - 2685
12V Inverter - 2682
Simple FM Transmitter - 2681
AC Line Current Detector - 2668
Telephone operated remote control using PIC16F84A microcontroller - 2617
The Video / Audio Distribution Amplifier - 2563
FM radio - 2558
Ultrasonic pest repellent - 2554
Charge Monitor for 12V lead acid battery - 2508
Basic UPS Power Supply - 2491
12V Lead-Acid Battery Monitor - 2486
Car Battery Charger - 2483
20dB VHF Amplifier - 2444
PWM Motor/Light Controller - 2442
Water Level Indicator with alarm - 2434
4W FM Transmitter - 2428
FM transmitter - 2413
Power-Off Time Delay Relay - 2395
TRIAC Light Dimmer - 2386
Touch Activated Light - 2380
Zener Diode Tester - 2371
Digital Volume Control - 2359
1W Bass Power Amplifier - 2316
Car anti theft wireless alarm - 2315
Digital Volume Control - 2314
IR Detector for Robotics - 2312
Dancing LEDs - 2305
Radio Remote Control using DTMF - 2286
Parallel Port Relay Interface - 2264
Improved 3 Transistor Audio Amp (80 milliwatt) - 2261
MK414 SW Receiver - 2249
Band 2 Preamplifier - 2175
Isolation between antenna network and TV/radio equipment - 2164
Remote control using VHF modules - 2163
3 Transistor Audio Amp (50 milliwatt) - 2140
0-30 vdc stabilized power supply with current control 0.002-3 a - 2134
Rain Alarm - 2123
2 Transistor FM Voice Transmitter - 2113
Voice activated switch - 2110
10W Audio Power Amplifier - 2095
A small FM transmitter (SMD) - 2092
TV remote control Blocker - 2092
Portable Microphone Preamplifier - 2069