5 volt power supply circuit is shown on read more.. if u need 9V DC supply then change 7805 IC to 7809 IC. Go for 12V AC step down transformer. Make a bridge circuit with diodes.
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I am tech savy spending more time on technology, learning about web, making time to find new stuff always. Also I am Entrepreneur, Blogger and an Engineer. Open Source - Matters.View all posts by Jagadesh Boopathi →