WInFiDEL - Firmware upgrade

WInFiDEL has an online firmware updater that is based on ESPHome Web.

You can use this tool from your browser to update any WInFiDEL to the latest firmware version.

Device Configuration

Due to how firmware upgrade works, currently it will not preserve any configuration data (ie. WiFi settings, calibration data, device name etc).
After upgrading firmware, you will have to re-configure and re-calibrate your device.
Please back-up any important data before doing a firmware upgrade.

1. Preparing the hardware

In order to update firmware on your WInFiDEL you will need to put the device in the bootloader mode first.
To do this you will need to:

1. Press and hold BOOT button on your WInFiDEL
2. Connect USB-C cable to WInFiDEL
3. Note that all LEDs should be OFF
4. At this point your PC should register new Serial COM port

2. Loading new firmware

There are multiple ways to compile and load new firmware for WInFiDEL.
In order to make this process more convenient, latest version of the firmware can be loaded through web flasher tool.

To access the web flasher, you will need Google Chrome (or any other web browser that supports Web Serial API).

1. Place WInFiDEL in bootloader mode (see step #1.)
2. In Chrome open WInFiDEL firmware loader page
3. Click on Connect button
4. From the drop down menu select the COM port that corresponds to your WInFiDEL and click Connect
5. Click on Install WInFiDEL and then confirm by clicking on Install button
6. Erasing and then flashing will start. This may take a minute or two
7. After flashing is complete, you can disconnect WInFiDEL by removing USB-C cable
8. Your WInFiDEL is now flashed to the latest firmware version

ESPHome Web!

This web flasher is using the Web Serial API, powered by ESPHome Web.