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Posts tagged transistor 2N5551

500W PA amplifier with Layout APEX B500

Database Schema Diagram APEX B500 APEX B500 Parts List   2SA1943, 2SC5200, NE5532, 2N5551, 2N5401, MJE350, MJE340, MJE15032, MJE15033 500W PA amplifier with Layout APEX B500  

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

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

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