Catalog > Consumer Electronics > Kits > Various Kits Sensitivity Adjustable Vibration Switch Module Sensitivity Adjustable Vibration Switch Module HKD 801S VIBRATION MODULE 3PIN Sensitivity Adjustable Vibration Switch Module using LM393. 5VDC 67.41 ZAR inc for 1 Each 23 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview This Vibration sensor is based on the Hi high precision vibration sensor 801S, it has 2 outputs, includes TTL and analog output, the sensitivity of TTL output can be adjusted by the on-board potentiometer, you can also read the analog output with any ADC to get the vibration condition. Specifications Size: 20mm* 32mm *11mm The main chip: LM393, 801S Work voltage: DC 5V With the signal output instructions With analog and TTL level signal output signal output The output valid signal is high, the light goes out Sensitivity adjustable (fine tuning) Vibration detection range, non-directional With mounting holes, firmware installation flexible and convenient