Install button not visible
Use Chrome or Edge and make sure you are on HTTPS (WebUSB requires a secure context).
WEBUSB INSTALLER
Connect your ESP32 via USB.
If required, put the board into boot mode, then press Install. The chip is detected automatically.
Open the left menu for tools, examples and downloads.
If the button doesn’t appear, make sure you are using Chrome/Edge and a secure (HTTPS) connection.
1) Plug in the board (USB)
2) Boot mode (if needed)
3) Press INSTALL
4) Open Serial Monitor @ 115200
Use Chrome or Edge and make sure you are on HTTPS (WebUSB requires a secure context).
Try another USB cable/port. Some cables are power-only. Also check board drivers if needed.
Some boards require holding BOOT while connecting or when starting the flash process.