Education Edition

Install or update firmware on your LUMINA Education node (ESP32 + TSL2591). Use a laptop, a USB data cable, and this page’s official HTTPS address.

Before you start

Use Google Chrome or Microsoft Edge on Windows, macOS, or Chromebook (not a phone or tablet).

  • Close any serial monitor or terminal connected to the board — only one app can use the USB port.
  • If a previous attempt failed, use Connection stuck? Reset below, then try again.

Update or factory reset

  • Update (recommended) — Connect USB and install. Leave Erase device unticked. Keeps Wi‑Fi, location, time, and saved sky history on the node.
  • Factory reset — Tick Erase device in the installer. Wipes the whole chip, then installs fresh firmware.
Your browser cannot install on ESP32 devices. Please use Chrome or Edge on a desktop or laptop.
This installer only works on a secure HTTPS link. Ask your teacher for the correct URL — saving this page or using an insecure address will not work.

Steps

  1. Plug in the ESP32 with a USB data cable.
  2. Click Connect & Install Firmware and select your board’s serial port.
  3. Wait until the installer shows success.
  4. Join the node’s LUMINA-EDU-xxxx setup Wi‑Fi (open) or your home network; open the dashboard at http://192.168.4.1 on setup Wi‑Fi, or the IP shown in the serial monitor (115200 baud).

Quick help

  • Serial port in use — Close the serial monitor, reset the connection, unplug USB for 5 seconds.
  • No port listed — Try another cable or USB port; on Windows you may need CP210x or CH340 drivers.
  • Install hangs — Hold the board’s BOOT button while starting the install.

View full help guide