Industry-Electronics 4duino Vibrations Sensor Analog/Digital 801S Mini Vibration Sensor Price Product Description 1.Size: 41 * 15 * 12.5mm. 2.The main chip: LM393, vibrating probe. 3.Operating voltage: DC 3-5V. 4.Has a signal output instructions. 5.With analog and TTL-level signal output signal. 6.Output valid signal is high, the light goes out. 7.Adjustable sensitivity (fine-tuning). 8.Vibration detection range, non-directional. 9.With mounting holes, firmware installation flexible and convenient. 10.Applications:can be used in anti-theft devices, electronic locks, mechanical equipment vibration detection, counting shooting range bull’s-eye detection of vibration testing.