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1. Try a couple of different power cord and power brick combinations - this matters a lot more than you'd think!

2. Check to see if the sensor's hotspot is showing up. (this means it is not connected to a network)

3. Check the router's connected devices - the device will show up with the Apollo name and a 6 digit hex value of the end of the mac address.

4. Disable power save mode in ESPHome. (See directions below)

WiFi Power Save Mode

The WiFi interface of all ESPs offer three power save modes to reduce the amount of power spent on WiFi. While some options can reduce the power usage of the ESP, they generally also decrease the reliability of the WiFi connection, with frequent disconnections from the router in the highest power saving mode.

  • NONE (least power saving, Default for ESP8266)
  • LIGHT (Default for ESP32)
  • HIGH (most power saving)
wifi:
  # ...
  power_save_mode: none

1. Select the ESPHome add on and then select Edit under your desired device.

2. Add the code below to your devices yaml file. Then select Save and press Install.

power_save_mode: none

3. Now your device should have a stronger connection. (This will cause the sensors internal temperature to increase.)