JUVON Device Flasher & Config

Connect via Chrome/Edge Web Serial, flash firmware, read MAC, and set MQTT config.

API Key

Server API Key (required for firmware download and saving config)

Serial connection

Not connected

Serial output (e.g. MAC on boot)

Flash firmware

1) Click “Download latest firmware” (uses your API key).
2) Open the Web Serial flasher, select the downloaded merged_firmware_v101.bin, choose your ESP32-P4 serial port, and flash/program at offset 0x0.

Device config (MQTT topic etc.)

MAC address

MQTT topic

Firmware update URL

MQTT URI

Enable firmware updates Description / note (optional)