title: Apollo Battery Devices - Sensor Connection Check description: How to check if your device is connected to Wi-Fi, Home Assistant, or nothing.
Sensor Connection Check¶
1. Press the reset button and let go to restart the device
TEMP-1B reset button
2. Press the boot button and let go
TEMP-1B boot button
The RGB Light on your device should flash green if connected to Wi-Fi, blue if connected to Wi-Fi and Home Assistant, or yellow if no Wi-Fi or Home Assistant connection.
Yellow: No connection to Wi-Fi or Home Assistant
Green: Connection to Wi-Fi only
Blue: Connection to Wi-Fi and Home Assistant
Head to the awake helper wiki article
If you need to keep your sensor awake for extended periods of time we suggest using our OTA awake helper.