Normally Open Vibration Sensor Module 51K The resistance between the outer

The resistance between the outer two25pins is always 100K ohm

This is a 12V 16-Channel Relay Interface Board with 15-20mA Driver Current for each individual relay

The wireless receiver switch is easy to use and safety

These are Carbon Film Resistor with a value of 2

General purpose

Normally Open Vibration Sensor Module 51K The resistance between the outerThis Normally open vibration sensor module is for a variety of vibration trigger function, reported theft alarm, smart car, electronic building blocks and so on. Features The use of wide voltage LM393 comparator. Using the companys high sensitivity vibration switch, the default with SW 18015P vibration sensor. The comparator output, the signal clean, good waveform, driving ability, more than 15mA With a fixed bolt hole, easy to install. Specification