To calculate VPD I put this in my configuration.yaml and it creates an entity named node_one_vpd with an entry id of sensor.vapor_deficit sensor: - platform: template sensors: vapor_deficit: friendly_name: 'node_one_vpd' value_template: >- {% set T = (states('sensor.temperature') | float) %} {% set ...

Hello! I wish I found this place before I started buying and building things. I see that some people have 1-10v dimming on the Meanwell B drivers with just a resister and an optocoupler? I went and ordered A mcp41010 digital pot that I don't think can handle the 10v in the dimming loop, so I found a...

and I have a gardening problem.

I have been messing about with a few esp32s and a raspberry pi trying to diy my own garden sensors and controllers. I found this place in a google search and it seems like you are all on the same path.