KY-031 Knock Sensor Module

$0.46
Availability: 258 items
SKU
SEN-13-046
+100 2 % $0.45
+500 4 % $0.44
+1000 7 % $0.43
+5000 9 % $0.42
+10000 9 % $0.42

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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