الترانزستور كمؤقت Transistor as a timer

Transistor as a timer الترانزستور كمؤقت timer with transistor and capacitor NPN Transistor Timer Circuit Simple light off timer circuit using 1 transiTransistor as a timer الترانزستور كمؤقت timer with transistor and capacitor NPN Transistor Timer Circuit Simple light off timer circuit using 1 transiTransistor as a timer الترانزستور كمؤقت timer with transistor and capacitor NPN Transistor Timer Circuit Simple light off timer circuit using 1 transi