Build a switch circuit that responds to sharp sounds like clapping your hands, etc.
Kit contains all components including circuit board 3A changeover relay output Circuit counts two claps before operating to avoid false triggers Operates from 6 to 20V Component count 36 Circuit board dimensions: 55 x 50mm Suitable for Key Stages 2, 3 & 4 (ages 7 to 16)
Teachers notes are available to download at our Education Resources site.
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