By monitoring the common mode voltage of the bridge, the user can get an indication of the sensor’s health. Fig 2: Schematic for a sensor health monitor application Sensors that operate at a distance ...

It uses a PN Photodiode as the light sensor and IC CA3140 as voltage comparator. The circuit is ideal as the front end of burglar alarm circuits. The circuit uses an Op Amp as voltage comparator. In ...

The easiest and safest way to detect mains electricity using a microcontroller is with an optocoupler as it allows us to send data between two galvanically isolated circuits ... It uses a dedicated ...

Important specifications and concepts must be considered to protect low-voltage subsystems ... A key challenge for sensor manufacturers is protecting equipment from any short circuits caused ...