Tag Archive: Lamp Controller

Jul 10

Three Transistors DC 3-Way Electronic Sign Flasher

Parts List Resistor : R1,R2,R3 ……………………………. 150 Variable Resistor : VR1,VR2,VR3 ………………………. 1K Capacitor : C1,C2,C3 ………………….. 100uF/16V Diode : D1,D2,D3 ………………………. 1N4002 Transistor : TR1,TR2,TR3 ……………………. B512