TECH_INTELIGENT
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Friday, February 24, 2012
BATTERY CHARGING INDICATOR CIRCUIT
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This simple circuit can be used to monitor whether a battery is charging or not. The voltage comparator IC LM393 is the heart of this circu...
Monday, February 20, 2012
SOUND PRESSURE METER
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The sound pressure meter is very useful in setting up home theater systems , if you need to test the sound pressure of each channels on di...
Friday, February 10, 2012
24 V FLASHER CIRCUIT
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The circuit shown here works from 24V DC and can flash two 24V bulbs alternatively. The circuit is nothing but an astable multivibrator op...
Thursday, February 9, 2012
AUTOMATIC NIGHT LIGHT
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The circuit will automatically switch on the AC lamp when night falls and the lamp will be automatically switched off after a preset time. ...
Wednesday, February 8, 2012
LIGHT TO FREQUNCY CONVERTER CIRCUIT
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The circuit is based on TLC555, the CMOS version of famous timer IC 555. A Photo diode is used for sensing the light intensity.The timer...
Monday, February 6, 2012
AUTOMATIC CHANGEOVER CIRCUIT
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This circuit can be used for the automatic switchover of a load between a battery and a wall adapter.LTC4412 controls an external P-channel...
Sunday, February 5, 2012
SPEAKER TO MICROPHONE CONVERTER
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This circuit is a simple approach for converting a loud speaker into a microphone. When the sound waves fall on the diaphragm of a speaker,...
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