Think It… Make It… Invent!
The knock sensor, detects the knocks and the taps. It can work like a switch. The sensor sends data momentarily to the board. To keep the LED on, the button state change codes should be used. So the sensor will work as a switch.
Single channel signal output
Convenient to install
Circuit board output switch
Working voltage: DC 3~5V;
Great for teaching demonstration or product development
1 x Knock Sensor Module
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