Photo Timer Circuit Using 555 Microchip

marommuhammad

Thursday, December 3, 2009

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Photo Timer Circuit Using 555 Microchip Time is set by potentiometer R2 which provides a range or 1 sec. To 100 seconds with timing capacitor C1 of 100uF. The output at pin 3 is normally low and the relay is held off. A momentary push on switch S1 energies the relay which is held closed for a time 1.1 X (R1+R2). C1 and then released. The exact length of the timing interval will depend on the

Tag : Camera Circuit, Microcontroller