The change of CPU

With more sensors to handle the amount of code space is getting a little tight. I am considering a change of CPU for the receiver, Most likely it will be some kind of ARM. Since I do not use it in power down mode the current consuption is not a big issue.

humidity sensor

The winter season is getting closer. I aim to go for a closed boat with calciumcloride to keep it dry.
To measure the dryness I will try to make something similar to the water tank sensor but with a resistive humidity sensor.

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