NPN Transistor based DC Relay Drive make | Triggering source (+)voltage | method-1

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  NPN Transistor based DC Relay Drive make | Triggering source (+)voltage





NPN transistor based 12v DC Relay control Drive Simple make it, this type transistor is a semiconductor device used to switch electronic signals and electrical power ON/OFF control than working a transistor base triggering source (+) voltage method

The component is using

1. NPN transistor(BC548)
2. 12v DC SPDT Relay
3. 1K ohm resistor

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