Liquid Prep Web Tools

ESP32

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• https://www.amazon.com/gp/product/B086MJGFVV/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1

To update Liquid Prep firmware on ESP32

• Download the new firmware binary from here https://playground.github.io/liquid-prep-web-tools/wifi-ble/firmware.bin

• Turn on ESP32 by pluging it to a computer via USB cable

• On your computer, change the WiFi to join “esp32ap”

• Once your computer has joined “esp32ap”, a portal should pop open.

• If the portal didn’t pop open, you can access the portal by going to http://172.217.28.1/_ac/config

• Select “Configure New AP” from the menu options

• Your WiFi AP should be listed as one of the options

• Select the WiFi you would like join

• Provide the passphrase to join your WiFi, if you want to assign a static ip to the sensor, uncheck “Enable DHCP” then key in the proper values.

• Click “Apply” to save the settings. After it’s saved successfully, join back to your home WiFi.

• You can now access the ESP32 UI by going to http://the-assigned-ip-of-this-esp32/_ac/update

• Choose the file (firmware.bin) you have downloaded

• Click “Update” to upload the new firmware.bin. If upload is successful, it will reboot itself. Congratuation! You’re done.

To flash Liquid Prep firmware on ESP32

• Go to https://playground.github.io/liquid-prep-web-tools/