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Posts tagged simple transistor switch circuit

How to make a simple touch switch circuit

How to make a simple touch switch circuit ? Simple touch switch circuit using transistor : C945

Circuit 2N2222

Circuit 2N2222 for Headphone amplifier This circuit can source about 500mA continuously, You built a 2 transistor project and it worked great, but now it has stopped working. You decide the transistor may be faulty.

Echo Repeter and preamp mic schematic

Echo Repeter and preamp mic schematic Part R1,6,25,36,48,54           2K2 R2,7,16,27               470K R3,8,26,31               12K R4,9,39               220R R5,10                   22K R11                   1M5 R12,45                   10K R13,52,53,58,59           […]

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