An electric drive motor 12 volt DC or 12 volt lamp The integrated circuit is a classic NE555 to generate a rectangular periodic signal that varies with the rotary RV1.
The output of the NE555 (Terminal 3) is supported by a power transistor
2N3055, because it supports many currents of 10A
feeding may take place on 5V to 15V, and will depend on the voltage required for device (bulb or motor) controlled. Do not exceed the supply voltage of +15 V, the circuit NE555 supports up to 16V
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