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I'm a huge fan of https://www.shelly.com/ - they have a built in webserver and can be controlled via POST requests. No cloud needed.

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Big +1 for Shelly stuff. IIRC it was started by a hobbyist who got annoyed at the crap from Aliexpress and decided to do it properly.

And that they have done.

I also like their products very much. I installed a few of them in my sockets. Some people argue that it's not safe to put in your sockets walls and the 16A limit is realistically lower before they can overheat and cause fire. That scared me a little bit but I think most of the reports are from bad wiring like using thin wires or not tightening the clamps enough

I have a Shelly pro 1PM in my Breaker box for the car charger. It gets to 80 degrees Celsius easily at 16A. I have two other gripes with it:

1: the slots/clamps are small which makes fitting 4mm2 wires a chore already. 6mm3 is impossible. 2: the overcurrent protection is very trigger happy. Due to solar panels in the street that voltage can vary significantly. Apparently the charger doesn’t always keep up exactly resulting in a current of 16.0001A which is more than the limit of 16 and poof, off it goes. Not sure whether this is an actual fault in the charger or some rounding error.

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