Get started with MicroPython [S3 series]
Flash MicroPython firmware
The boards were already flashed micropython firmware. If they lost firmware or you need lastest firmware, you can flash MicroPython firmware by yourself.
Requirements
pip install esptool
S3 Firmware
Flash using esptool.py
esptool.py --port PORT_NAME erase_flash esptool.py --port PORT_NAME --baud 1000000 write_flash -z 0 FIRMWARE.bin
Note
Don’t forget to change PORT_NAME and FIRMWARE.bin.
In Linux, PORT_NAME is like /dev/ttyUSB0. In windows, PORT_NAME is like COM4.