That was it. AP2112 module with 470 µF on the ESP, no reboots since Monday, and the keepalive_timeouts are gone from the Log tab. I had the divider already. Scoped the old 3.3 V rail out of curiosity: it dipped to 2.6 V on every connect.
That was it. AP2112 module with 470 µF on the ESP, no reboots since Monday, and the keepalive_timeouts are gone from the Log tab. I had the divider already. Scoped the old 3.3 V rail out of curiosity: it dipped to 2.6 V on every connect.