extended counter using cd4017


Posted on Feb 6, 2014

At the start condition all pin 15 are connected to the ground, so R0 is energized. A 555multivibrator sendsthe clock signalto IC1, which activates the outputs from R0 to R8. This simple circuit can be utilized to drive a monostable relay through a single button switch. At the start condition the relay does not work. When I press the button (P) T1 is energized through R1 and R2, and the capacitor charges. The coil is jumped by


extended counter using cd4017
Click here to download the full size of the above Circuit.




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