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tburkhol@slrpnk.net 1 week agoAlso love the pi-0-2w, but I’ve started to use ESP32 for those edge sensors. You can get those for like $1-2 each on aliexpress, where real world prices on Pi zero is upwards of $20 now. Truly embedded systems like arduino were always intimidating to me, but esphome reduces ‘programming’ to a YAML for any of the many supported devices. The Pis that are working now aren’t likely to change any time soon, but I bought a handful of ESP32s for $10, and I’ll probably buy another handful before I buy another zero. Maybe convert a zero to ESP32 if I really need a whole OS for something new.
Freeposity@lemmy.world 1 week ago
Oh yeah, I’ve got a box of esp32s and mmwave sensors waiting for me to get my soldering iron out. I’m with you, they’re great. I suppose I could somehow figure out out how to do SDR with an ESP32, but I’ve got plenty of unfinished projects waiting for me as it is. ESPHOME makes edge devices so easy to create. And it gives me an excuse to do a little soldering and 3d printing.
The ESP32s are also really good for making old devices smart. One project in my queue is turning a bunch of air purifiers into smart devices that HA controls. They were super cheap and there’s nothing to them but a fan, and a filter but they’re loud. I’m going to make it so they only run when no one is in the room.