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Posts tagged Audio alarm using LM386

Light sensor circuit diagrams

Light sensor circuit diagrams Light sensor circuit diagrams This circuit has two distinct functions, either using the same light sensor, a circuit module is useful for light and turn off the lights (relay), and that only produce sound. Usually applies to a security alarm place. Components used: Sensor LDR 2N3904 Relay Audio alarm using LM386

Stereo MIC Preamp Circuit

Stereo MIC Preamp Circuit using NE5532, TL072 Stereo MIC Preamp Circuit using NE5532, TL072 It is the MIC Stereo Preamp Circuit uses IC NE5532 and TL072. Simple Stereo Microphone Preamplifie electrets simple that you can use for a microphone and stereo amplifier. List of simple components using IC NE5532 and TL072

12v Mosfet Amplifier Circuit Diagram

200w Mosfet amplifier circuit diagram Car power amplifier circuit using mosfet

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