this post was submitted on 01 Oct 2025
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Electric Vehicles
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I went through 3 other (very expensive) EVSEs before purchasing an OpenEVSE. Used daily now for several years, left on the ground in the sun and rain. I only ever had one problem and that was with the J1772/NACS adapter. Got some water in it and started causing some faults. Removed it and left it in the sun to dry out and then it was back working again.
Connected mine to Home Assistant and now I have all sorts of automations available as well.
Curious about the automations? Linked to solar panels?
I connected mine to Home Assistant via MQTT but could find any meaningful use to it since.
One use I have is when frigate sees a car in my driveway and it's not plugged in to send me an alert right before bed time. Before I had a vehicle I could do a proper schedule on the vehicle settings I had scheduled charges for my EV and used HA to add extra charge before a trip.
Well I have a unique situation where I have a bunch of large loads on the same circuit so I just use the EVSE as a sort of load balancer, along with a whole home energy monitor, so it will automatically decrease charging current when large loads come on.