How to update the power meter firmware using the Web Browser

Step 1. Navigate to the Web Bluetooth Secure DFU webpage

• Head to: https://thegecko.github.io/web-bluetooth-dfu/examples/web.html

• Click 'Choose a firmware package' and select the relevant firmware package (downloaded separately).

Step 2. Select Device (Power Meter Name)

• Click 'Select Device' button.

• A dialog box should pop up as shown below.

• Select the appropriate device ('PwrMeter').

• Once selected, click the 'Pair' button.

Step 3. Power Meter is now in bootloader mode

• Click 'Select Device' button once more.

Step 4. Select Device (DFU Target)

• A dialog box should pop up as shown below.

• Select the device labelled 'DFU Target'.

• Once selected, click the 'Pair' button.

Step 5. Firmware update in progress

• When the firmware upload has been successful, the screen below will show.