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555 Timer astable circuit

555 Timer astable circuit 



A Circuit that flashes an LED on and off using 555 timer.

This circuit uses the 555 timer in an Astable operating mode which generates a continuous output via Pin 3 in the form of a square wave. This turns the LED  on and off. The speed at which the LED  is turned on and off is set by the values of R1 and R2. 



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