MICROMETRONOME

Published:2009/6/25 21:04:00 Author:Jessie | From:SeekIC

This compact metronome will run for years on a single nine-volt transistor battery.Has both tone and pulse rate controls, and uses touch plates to start and stop, can be built in a case no larger than a pack of cigarettes. The touch plates consist of two strips of metal about 1/16-inch apart mounted on, but insulated from, the case. Bridging the gap closes the switch.



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