Classic analog meter on the (dutch) DSMR meter

A vintage analog meter to display the power consumption in house, indicator when solar power is fed back to the mains power grid & mqtt

Matthijs

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Description

Classic analog meter connected to the P1 port of the (dutch) DSMR Slimme Meter (domestic power meter) + mqtt logging of the data for use in OpenHab (or Domotics or....)

Hardware:
* esp8266
* vintage looking analog meter from AliExpress
* Green led to indicate power is fed back into the mains grid.

Software:
* Arduino sketch to read the "P1" port of the DSMR meter, PWM output to the analog meter + mqtt server connection for logging.

Scale of the meter was custom drawn to match the needed range.