____              ____  _           _         _____ _           _               
 | __ ) _   _ ___  |  _ \(_)_ __ __ _| |_ ___  |  ___| | __ _ ___| |__   ___ _ __ 
 |  _ \| | | / __| | |_) | | '__/ _` | __/ _ \ | |_  | |/ _` / __| '_ \ / _ \ '__|
 | |_) | |_| \__ \ |  __/| | | | (_| | ||  __/ |  _| | | (_| \__ \ | | |  __/ |   
 |____/ \__,_|___/ |_|   |_|_|  \__,_|\__\___| |_|   |_|\__,_|___/_| |_|\___|_|   

                      Online tool to flash the firmware to your ESP32-S3                                                                                                                                                  
    

Boards

Tips

Cardputer

Power off and unplug USB. Hold G0 (upper-right), then plug USB while still holding.

Stamp-S3

Press and hold the BOOT button before powering on or plugging in USB to enable flashing mode.

Atom-S3 Lite

Power on and press the RESET button for 3 seconds or until the LED blinks green.

T-Embed

Hold the encoder center button, then press RESET.
(CC1101 version: the button is next to the ESP32-S3.)

S3-Dev-Kit

Make sure to plug USB to the COM programming port, hold the BOOT button and power on.

Xiao-S3

Press and hold the BOOT button before powering on or plugging in USB to enable flashing mode.

Other Boards

If you have a different board based on the ESP32-S3, you can flash the devkit firmware on it.

Linux Users

If flashing fails, run:
sudo setfacl -m u:$USER:rw /dev/ttyACM0
This grants access to the serial port.