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iot

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  1. ESPHome device reboots every 15 minutes: "[E][api] No clients; rebooting"

    An ESPHome node with no Home Assistant connected rebooted about every 15 minutes, logging "No clients; rebooting". The api component has its own reboot_timeout (default 15min) that fires when no API client connects. Setting reboot_timeout to 0s under api: stopped the reboots.

    esphomeesp8266home-assistantiot
  2. ESPHome ESP8266 nodes stop joining Wi-Fi: reason='Association Leave'

    ESPHome NodeMCU devices that had been working suddenly could not connect, logging lwIP error -16 and "Disconnected … reason='Association Leave'". The router's DHCP pool was full; giving the nodes static IPs fixed it.

    esphomeesp8266nodemcuwifidhcpiot
  3. DHT22 temperature/humidity sensor on a NodeMCU 0.9 with ESPHome and Home Assistant

    Wiring and ESPHome YAML for a DHT22 on an old yellow NodeMCU 0.9 board, feeding Home Assistant. USB uploads failing with "Upload with baud rate 460800 failed" were fixed by disconnecting the sensor while flashing.

    esphomehome-assistantesp8266nodemcudht22iot