How To Wake Up Your Sensor

There are two ways to wake a sleeping Apollo battery sensor: press the reset button, or hold the boot button. Select your device below for the button locations.

Method 1: Reset button. Press and release the reset button to restart the device.

TEMP-1B with lid off, tweezers pointing at the RST reset button

Method 2: Boot button. Quickly press and hold the boot button for 4-5 seconds.

TEMP-1B with lid off, tweezers pointing at the BOOT button

Button locations: TEMP-1B boot mode.

Method 1: Reset button. Press and release the reset button to restart the device.

PLT-1B circuit board with tweezers pointing at the reset button

Method 2: Boot button. Quickly press and hold the boot button for 4-5 seconds.

PLT-1B circuit board with tweezers pointing at the BOOT button next to the USB-C port

Button locations: PLT-1B boot mode.

Method 1: Reset button. Press and release the reset (left) button to restart the device.

Method 2: Boot button. Quickly press and hold the boot (right) button for 4-5 seconds.

Side of the BTN-1 with arrows marking the Reset button on the left and Boot button on the right

Button locations: BTN-1 boot mode.

Smart firmware only

The H-1 only sleeps when running the smart firmware. These steps apply when it is running that firmware.

Method 1: Reset button. Press and release the reset button to restart the device.

Method 2: Boot button. Quickly press and hold the boot button for 4-5 seconds.

H-1 tree-shaped circuit board with the Boot and Reset buttons circled in red

Button locations: H-1 boot mode.

Smart firmware only

The H-2 only sleeps when running the smart firmware. These steps apply when it is running that firmware.

Method 1: Reset button. Press and release the reset (left) button to restart the device.

Method 2: Boot button. Quickly press and hold the boot (right) button for 4-5 seconds.

H-2 snowflake-shaped circuit board with arrows marking the Reset and Boot buttons

Button locations: H-2 boot mode.

Your device is now awake, but it will not stay awake on its own yet. Click the Prevent Sleep button on your device page in Home Assistant, or directly on the device web server such as plt-1.local or its IP address.

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.