Here is a link which has a schematic very close to what you ask for using an Op Amp & an inverter to achieve what a "comparator" will do. http://www.dakeng.com/threading.html
okk thanks sir let me proceed on it first then i ll continue on this post . . thanks a lot
Please let me know too if there exist any link other than this ?
Last edited by rajultra; - 22nd February 2014 at 07:59.
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