1. Plug the Cheap Yellow Display into a USB port.
2. Choose your panel below. Not sure? Count the USB ports: two ports (one is USB-C) is ST7789, a single micro-USB is ILI9341.
3. Click Install and pick the serial port. No device found?
4. Wait while ESPGeiger Gadget 0.0.1 flashes (faster if you stay on this tab).
5. When the gadget reboots, follow the on-screen WiFi setup.

Note: This erases any existing firmware and settings on the board.