KY-031 KNOCK SENSOR MODULE

• An Arduino can be connected to a little electronic gadget called the KY-031 Knock Sensor Module.
• It resembles a miniature ear for your Arduino device!
• The sensor can sense vibrations from taps and knocks, and it may communicate this information to the Arduino by sending it a signal.
• It's utilized in a variety of entertaining tasks!
• You could create a game where you have to knock on the sensor in order to get points, or you could design a doorbell that chimes when someone knocks on your door.
• It's a neat method for adding touch sensitivity and interactivity to your Arduino projects.

Specifications:

• Operating Voltage: 3.3V ~ 5V
• Output Type: Digital