Category: Main page » Electronics for home living

LED or Lamp Flasher

Source: RED Free Circuit Designs

Minimum parts counting

Designed for 3V battery operation



Led Flasher


Parts:

R1_______33K  1/4W Resistor
R2,R3____47R  1/4W Resistors

C1_______10µF  25V Electrolytic Capacitor

D1,(D2)__LED(s) (Any type and color)

Q1_____BC560   45V 100mA PNP Transistor
Q2_____BC337   45V 800mA NPN Transistor

Notes:


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