UltraSonic Radar - 11230
500W low cost 12V to 220V inverter - 7330
Servo Motor Control with PIC16F84 - 4427
One Transistor FM Radio - 4394
200W audio amplifier - 4007
10 Band Audio Equalizer - 3752
100W Guitar Amplifier - 3745
Video/Audio Wireless Transmitter - 3656
100W Audio Amplifier - 3562
Led display digital Voltmeter - 3275
Line Robot - 3101
5 band graphic equalizer using a single IC/chip - 2970
VHF Audio Video Transmitter - 2920
1.5W Audio power amplifier (12V) - 2794
15W Fm-transmitter - 2696
3W FM Transmitter - 2490
13.8V 20A power supply - 2456
Ultrasonic Parking Sonar - 2432
Constant Current Battery Charger - 2405
Decibel Meter - 2247
5-motor walker circuit - 2224
Infrared beam barrier/ proximity sensor - 2195
4 Watt FM Transmitter - 2185
Walker Robot - 2171
Bass-treble tone control circuit - 2126
LED Photo Sensor - 2124
100W RMS Amplifier - 2099
Simple Op-Amp Radio - 2076
MPF102 FM Receiver - 2070
Bass-treble tone control circuit - 2068
Capacitor Discharge Ignition Circuit (CDI) - 2052
Baxendall Tone Control - 2051
Audio / video switch - 2041
90S2313 AVR Robot Board - 1950
Remote control using telephone - 1942
Automatic Room Lights - 1928
60W Bass Amplifier - 1915
50 Watt Amplifier - 1898
Digital Volume Control - 1833
Control electrical appliances using PC - 1828
Stereo Preamplifier with Bass-boost - 1765
Charge Monitor for 12V lead acid battery - 1739
60W Guitar Amplifier - 1738
Amplifier 2x30W with STK465 - 1718
Dome light dimmer for Cars - 1716
Telephone operated remote control using PIC16F84A microcontroller - 1715
Coilless FM transmitter - 1705
FM radio - 1678
Guitar Amplifier - 1677
Variable 3 - 24 Volt / 3 Amp Power Supply - 1655
Power-Off Time Delay Relay - 1648
Stereo Tone Control - 1626
Simple FM Transmitter - 1612
TRIAC Light Dimmer - 1603
RF Modem Robotics Project - 1603
12V Lead-Acid Battery Monitor - 1601
10W Mini Audio Amplifier - 1592
12V Inverter - 1564
Basic UPS Power Supply - 1559
CB receiver - 1531
Car Battery Charger - 1521
20dB VHF Amplifier - 1504
Composite color video signal travels on twisted-pair cable - 1501
3-Axis Stepper Controller - 1492
The Video / Audio Distribution Amplifier - 1490
Touch Activated Light - 1474
Car anti theft wireless alarm - 1467
AC Line Current Detector - 1463
Digital Volume Control - 1439
Parallel Port Relay Interface - 1429
Digital Volume Control - 1419
Video to RF Modulator - 1412
Headphone Amplifier - 1396
Remote control using VHF modules - 1396
IR Detector for Robotics - 1396
1 Watt C-Class RF Amplifier - 1387
Water Level Indicator with alarm - 1379
Two transistor audio amplifier circuit - 1370
7 Segment LED Counter - 1363
4W FM Transmitter - 1363
Rain Alarm - 1337
Sawtooth wave generator - 1335
FM transmitter - 1321
Voice activated switch - 1319
1W Bass Power Amplifier - 1319
Zener Diode Tester - 1317
Isolation between antenna network and TV/radio equipment - 1315
0-30 vdc stabilized power supply with current control 0.002-3 a - 1315
Ultrasonic switch - 1314
TV remote control Blocker - 1301
25W Mosfet audio amplifier - 1290
4 Transistor Transmitter - 1283
PWM Motor/Light Controller - 1283
Radio Remote Control using DTMF - 1283
2 Transistor FM Voice Transmitter - 1277
Video Switch - 1275
Dancing LEDs - 1274
DC to DC Converter - 1269
Simple but reliable car battery tester - 1267
Ultrasonic pest repellent - 1261
