KY-031 Knock Sensor Module

$0.40
Availability: 862 items
SKU
SEN-13-046
+100 5 % $0.38
+500 5 % $0.38
+1000 8 % $0.37
+5000 10 % $0.36
+10000 13 % $0.35
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Description
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.

Features
working voltage: dc 3~5v
default output: high;
single channel signal output

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