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Quick start for a4 button

Compile your own firmware

1. Register a GitHub user if you do not have one
2. Open the repo a4-button with browser
3. Use the repo template to generate your own repository.
4. Browser to the file secrets.yaml, click Edit this file
   • Modify wifi_ssid and wifi_pass
   • Modify mqtt_broker
   • Click Commit changes...
5. Click Actions and wait the build finish
6. Click the latest workflow and browse to the bottom of the page, it should show Artifacts which contains the compiled firmware files. Download the file and unzip the file. It should contains the ota.bin file.

Update firmware for a4 button

1. The a4 button is sleep with factory firmware. Press the button to wakeup. You will see the LED is on a while. It means a4 button wake up and works as AP modete.
2. Connect the WiFi a4 button. The WiFi password is 12345678.
3. Open the link http://192.168.4.1 with browsete.
4. Scroll the page down to OTA update.
5. Choose the file ota.bin and click Update. Wait for firmware update
6. Now the a4 button is ready for your use.