Showing posts with label wireless. Show all posts
Showing posts with label wireless. Show all posts
Tuesday, May 14, 2013
Wireless mains voltage tester
You can use this to test whether the electricity is available in the line or not just attach a wire for the end of senser then you can get signals easily 1 feet is enough
noteUse 9V PP3 battery for powering the circuit.
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noteUse 9V PP3 battery for powering the circuit.
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