4011 dual led flasher


Posted on Feb 7, 2014

This simple circuit uses NAND Gates to alternately flash two led`s. The two 47uF capacitors determine the flash frequency. It is a good idea to use a decoupling capacitor across the power supply. I made this circuit using the components shown and it worked fine. The IC that I used is the 4011 Quad


4011 dual led flasher
Click here to download the full size of the above Circuit.




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