Smart Meter Optokopf / Sensor

Case for a DIY smart meter sensor

Inludes holes for a 3mm phototransistor and two 5x5x5mm magnets at the bottom. I also made a large cutout for a ~10mm wide screw terminal.

Electronics (german): by Paul Görgen and some Informations (the 1k pullup resistor) from MSXFAQ