Optical interface for energy meter reading according to IEC 62056 (IEC 1107).

Includes magnet with 5N holding force to attach to the meter.

Can be used with a microcontroller with UART interface or a compatible USB to TTL coverter which can be bought here.

Communication protocol can be found in the IEC 62056 specification

Input voltage: 3.3V

Dimensions: 32x32x18mm (including the pin header)