Volume discounts:
- +100 4 % $0.1970
- +500 6 % $0.1930
- +1000 8 % $0.1890
- +5000 10 % $0.1850
- +10000 11 % $0.1820
Shop with confidence
Learn More
Availability:
SKU
SEN-13-046
Ships in 2-3 business days, then:
Free delivery in 10-15 days by YunExpress on orders over $35.
Free delivery in 5-7 days by DHL on orders over $200.
More shipping info
$0.2050
KY-031 Knock Sensor Module is available to buy in increments of 2
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
Write Your Own Review
Customer Questions