2 Minute Clap Switch

This simple 3 component circuit can be used as a microphone alarm or as a light switch. The way the alarm program works is that it detects changes in sound level and then triggers the light to come on for 5 seconds once the sound level has gone up by 2 or more units. The light switch works in a sim...

By: Robotix_au



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from Instructables: exploring - technology http://ift.tt/1qTBhZ3