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Audio / Music (15)

1) Electret Microphone Preamplifier ( 04/06/2010 | v:20622 )

2) 10 Band Audio Equalizer ( 16/04/2007 | v:16292 )

3) Simple Intercom ( 16/04/2007 | v:14132 )

4) Audio Distribution Amplifier ( 16/04/2007 | v:13305 )

5) Surround Sound Decoder ( 16/04/2007 | v:11146 )

6) Stereo Tone Control ( 16/04/2007 | v:10012 )

7) Speaker Microphone ( 16/04/2007 | v:9160 )

8) 22W Stereo Amplifier ( 16/04/2007 | v:9111 )

9) Baxendall Tone Control ( 16/04/2007 | v:8982 )

10) 10W Audio Power Amplifier ( 16/04/2007 | v:8596 )

11) 20W Power Amplifier ( 16/04/2007 | v:8404 )

12) Classic Audio Mixer ( 16/04/2007 | v:7898 )

13) 1W Bass Power Amplifier ( 16/04/2007 | v:7885 )

14) Digital Double Volume Control ( 01/06/2010 | v:7713 )

15) 250 mW Audio Amplifier ( 16/04/2007 | v:6734 )

Charger / Inverter (2)

1) 12V Power Inverter ( 01/06/2010 | v:17028 )

2) Ni-Cd Battery Auto Charger ( 16/04/2007 | v:16069 )

Measurement (8)

1) Digital Voltmeter ( 16/04/2007 | v:17472 )

2) 12V Lead-Acid Battery Monitor ( 16/04/2007 | v:16852 )

3) Frequency Comparator ( 16/04/2007 | v:11670 )

4) 1GHz Simple Frequency Counter ( 16/04/2007 | v:11417 )

5) Car Water Temperature ( 16/04/2007 | v:11140 )

6) LED RF Signal Strength Meter ( 01/06/2007 | v:11079 )

7) XTal Tester ( 16/04/2007 | v:7647 )

8) Electronic Metronome ( 16/04/2007 | v:6957 )

PC related (2)

1) USB to RS-232 Convertor (* 16/04/2007 | v:9814 )

2) LCD Module Control with PC ( 16/04/2007 | v:9264 )

Power Supply (3)

1) 12V to 6V Convertor ( 16/04/2007 | v:15084 )

2) 0-35V / 0-3A Regulated Power Supply (* 29/09/2007 | v:7348 )

3) 2W Switching Power Supply ( 16/04/2007 | v:6347 )

Radio Frequency (15)

1) 15dB UHF TV Antenna Booster ( 16/04/2007 | v:44527 )

2) VHF Video Transmitter ( 16/04/2007 | v:36630 )

3) VHF Audio Video Transmitter ( 16/04/2007 | v:33736 )

4) 1Km range FM Transmitter (* 16/04/2007 | v:16259 )

5) Coil-less FM Transmitter ( 16/04/2007 | v:15186 )

6) Simple FM Transmitter ( 16/04/2007 | v:14957 )

7) Video to RF Modulator ( 16/04/2007 | v:11683 )

8) 21dB UHF TV Antenna Booster (* 16/04/2007 | v:11550 )

9) Analog Satellite Receiver (* 16/04/2007 | v:10636 )

10) 1 Watt C-Class RF Amplifier ( 16/04/2007 | v:9300 )

11) 27MHz Super Heterodyne Receiver (* 16/04/2007 | v:7600 )

12) FM Stereo Decoder (* 16/04/2007 | v:7432 )

13) Low Distortion Crystal Oscillator ( 16/04/2007 | v:6995 )

14) 1100Mhz Divider by 64 ( 16/04/2007 | v:6914 )

15) VXO: Twin Crystal with Buffer ( 26/05/2007 | v:3566 )

Security (4)

1) Infrared Alarm ( 16/04/2007 | v:18548 )

2) Proximity Alarm ( 16/04/2007 | v:12242 )

3) Combination Lock ( 16/04/2007 | v:10121 )

4) Auto Burglar Alarm (* 16/04/2007 | v:7013 )

Telephony (3)

1) Electronics Telephone Talking Circuit ( 16/04/2007 | v:11478 )

2) Telephone Controlled Night Light (* 16/04/2007 | v:6505 )

3) Simple DTMF Decoder (* 16/04/2007 | v:6226 )

u-Controller (1)

1) Servo Motor Control with PIC16F84 ( 16/04/2007 | v:12664 )

Video (1)

1) Video Distributor Amplifier ( 16/04/2007 | v:15748 )

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