Dual vibration sensor
Dual vibration sensor with one shot timer is used to detect vibration and then triggers a mono stable vibrator. This one shot or mono stable 555 drives a relay that can be used to connect to any appliance or industrial type of equipment. Used in the mining and automotive industry to detect unacceptable vibration on machines and shut it down. Could also be used as a seismic sensor for drilling, earthquakes, movement of equipment in the security and agriculture industry. there are two pots installed to adjust the seismic sensitivity rage. A jumper can also be set to configure the out put of the relay, NO, NC 12V or GND.