Build a switch circuit that responds to sharp sounds like clapping your hands, etc.
- Class pack of 20 kits
- 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
- Money-saving classpack of 20 kits packed in a Gratnells tray
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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