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Posts tagged microphone circuit

Electronics Projects

Electronics Projects Electronics Circuit IC LM386 Alarm circuit Buzzer Ultrasonic Electronics Circuit Collection of LM386 Data sheet Home intercom Microphone circuit Walkie talkie Amplifier Circuit Board

Circuit diagram DTMF Decoder using HT9032A MT88L70 HT9202H

Circuit diagram DTMF Decoder using HT9032A MT88L70 HT9202H This exciting project and something that many have been developed, but always remains to add some improvements. The DTMF decoder circuit for distinguishing some separate external components to produce devices capable of sending binary code from a button on the multi-tone phone. This circuit, in addition to […]

Audio transistor amplifier circuit

Audio transistor amplifier circuit This is Audio transistor amplifier circuit diagram using 2N2222 of a simple 1 transistor audio amplifier that can deliver around 100mW An audio amplifier is an electronic amplifier that amplifies low-power audio signals

Audio level meter

audio vu meter Audio level meter using BC107 Audio level meter using BC107

Portable guitar headphone circuit

Portable guitar headphone circuit I built a portable headphone amplifier for testing purposes Headphone amp circuit using : R1 = 10K R2 = 100K R3 = 68K R4 = 1.5K R5 = 3.3K R6 = 330R R7 = 4K7 R8 = 2.2R C1 = 1µF-63V C2 = 100µF-25V C3 = 470µF-25V Q1 =  BC239C Q2 […]

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