● Browser Firmware Installer

Flash your ESP32 gateway here.

Install the latest production firmware over USB without leaving jkbmsr.com.

1. Connect. Use a USB data cable and close any serial monitor using the board.
2. Install loading…. Select the ESP32 serial port when Chrome or Edge prompts you.
3. Configure and claim. Keep USB connected for Wi-Fi setup, then continue to device claim.

Loading the latest signed firmware manifest…