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geoffdavis / esphome-mitsubishiheatpump

ESPHome Climate Component for Mitsubishi Heatpumps using direct serial connection
BSD 2-Clause "Simplified" License
585 stars 157 forks source link

3.3v power from the Ecodan cylinder motherboard? #81

Closed joenye closed 1 year ago

joenye commented 1 year ago

Thanks a lot for this project.

Do you know if it's possible to get 3.3v power for an ESP32 or ESP8266 from one of the headers on the cylinder motherboard? It would be nice to keep the ESP inside the cylinder without extra cables trailing outside.

Here's a diagram of my motherboard (Ecodan EHPT20Q-VM2EA cylinder unit):

image
joenye commented 1 year ago

Closing as realised this is already solved on the wiki.