on off relay circuit automatic

Posted on Feb 5, 2014

get it on and off continuously. The circuit is using a well known NE555 timer IC which is a very famous IC due to its uses in the wide variety of electronic circuits. In this circuit this IC is connected as a astable multivibator and the 12 volt relay is derived through transistor 2N4401 which is working as a switch. The ON and OFF rate per second

on off relay circuit automatic
Click here to download the full size of the above Circuit.

can be controlled by adjusting the 100K pot.

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