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The original was posted on /r/homeassistant by /u/CofaTeam on 2026-01-02 22:42:21+00:00.
https://preview.redd.it/0vwwa15qk0bg1.jpg?width=4536&format=pjpg&auto=webp&s=762bcb697fe6cbdeea933f3ec87185e36b0a81a5
Hey all, I designed a 3D printable case to house my ESP32 and sensor devices around the house and thought it might be useful to someone else. The main idea is a modular design where you only need to print the specific adapter for your USB charger, avoiding reprinting the whole enclosure if you switch power bricks. It uses an internal rail system so everything slides into place and stays hidden behind the wall outlet.
I’ve included a universal mounting plate with a hole grid for screwing in PCBs or sensors, but I also uploaded blank versions of the internal plate and the front lid so you can customize your own cutouts. It’s been great for keeping my ESPHome nodes clean and cable-free, and I’d be happy to share the files if anyone is interested in customizing them.
Printable version
The USB charger I use
I couldn't find a smaller charger. I was specifically looking for a 90-degree one, and this is what I found. Anyway, I'm still looking for a smaller version.
