I have used frigate on bare metal using a Google coral with a E key M.2. then I moved it to a Synology + a USB coral. On both systems I have never had any issues with the coral. If I have to nitpick, I would be that frigate would trigger persons incorrectly. Like a blanket or my couch.

I’m in a similar situation, I have a coral tpu, but I’ve switched to openvino. And I see fewer false positives as well.

I suspect frigate devs aren’t working as hard on keeping the coral working with their ML models. Also, that coral driver is pretty stale; it’s from the 2014-era of google maps blurring car license plates.