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3V microcontrollers
There are also some inside sounds to remind the user working state of the module
Drill hole diameter: 16mm
Easy connection with Arduino and Raspberry Pi directly
Adafruit Piezo Small Enclosed w/ Wires - 1740 magnetometer 3V microcontrollersDetect Sound and Vibration for Smarter Projects The Piezo Small Enclosed with Wires is a vibration sensor designed for sound detection, knock sensing, vibration alerts, and machine monitoring. It is a practical fit for makers, students, and engineers who want reliable sensor data in embedded builds. Key details include Diameter: ~14 mm; Type: Enclosed piezo element; Wires: Pre attached. Why youll love it Sensor size: ~14 mm Useful spec: Enclosed piezo
