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Electroslab
The Knock Sensor Module KY-031
The Knock Sensor Module KY-031
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$1.33 USD
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The knock sensor, detects the knocks and the taps. It can work like a switch. The sensor output normally stays at High logic. The spring inside this sensor vibrates when knock or tap is detected and sends pulse or multiple high low pulses.
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Regular price
$1.33 USD
Regular price
Sale price
$1.33 USD
Unit price
/
per
Couldn't load pickup availability
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![The Knock Sensor Module KY-031](http://electroslab.com/cdn/shop/products/D038.jpg?v=1598107809&width=1445)
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