KY-031 Knock Sensor Module
$0.46
Availability:
SKU
SEN-13-046
| +100 2 % $0.45 |
| +500 4 % $0.44 |
| +1000 7 % $0.43 |
| +5000 9 % $0.42 |
| +10000 9 % $0.42 |
Related Tutorials
Interfacing KY-031 Knock Sensor Module with Arduino
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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