The hardware is consists of an Arduino microcontroller (here an Arduino Uno R3) and a pre-wired soil moisture sensor module. The soil moisture sensor module , built around the LM393 comparator, gives ...

Here is a motor speed sensor module, the major goal is to check the rate of an electric motor. The module can be used in association with a microcontroller for motor speed detection, pulse count, ...

It is an integrated Hall-sensor/magnet assembly containing a samarium-cobalt magnet and a Hall-effect IC optimised to the magnetic circuit. The solid thermoset moulded plastic package has been ...