Sunday, March 19, 2023

More RV Automation

Sunday - Today, I used a small iot device called a Shelly1 to allow home automation control of the RV water pump. Not to replace the switch but operate in parallel. I created a HomeAssistant automation to turn on the pump for ten minutes and then shut it off. Since we usually used the water pump for short periods, this would allow the most common uses by just pressing a button. I just need to add some momentary switches around the RV to trigger the automation. The pump status light on the front panel even registers correctly when the automation switches on the pump. 

There is also a pump switch on the HomeAssistant dashboard to turn the pump on/off as well as enable/disable the automation. This is the first Shelly device I've used and have some other plans such as enabling the battery heaters. Since they can be controlled by HomeAssistant, it would be possible to develop some interesting automations such as enabling the heaters based on a variety of inputs such as battery temperature, battery SOC, solar panel voltage, time of day, etc. I may even use one to remotely start the generator. 

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