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Posts tagged bc212 replacement

Circuit of audio amplifier using transistor for car

Circuit of audio amplifier transistor for car using BC212, BC286, BC287, 2N3055, 2N3904, 2N2905A, 2N3053 100 w CAR AMPLIFIER, CLASS A AMPLIFIER, CLASS B AMPLIFIER, 12 VOLT and 24 volt AUDIO AMPLIFIER USING TRANSISTOR CIRCUIT DIAGRAM  

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

Simple on off switch – circuit diagram

Simple on off switch – circuit diagram using transistor     Simple on off switch – circuit diagram using transistor c945 on- off circuit is connected to a component relay on- off circuit is connected to a component relay

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