A spring vibration sensor is a simple device that can be used as a poor man’s accelerometer, or simply to detect vibration.

Vibration sensor details SW-420 As you might notice, the core part of the SW-420 vibration sensor module is an omni-sensing vibration/tilt switch that has a part number SW-420. Looking at some details ...

With an ESP32 and a simple sensor, I can slap my table to turn on my PC for less than $5.

Both boards have a vibration sensor to detect bags hitting the top, and an IR break-beam sensor pair across the hole. An Arduino Nano reads from the sensors and controls an amplifier and a DF ...