RedPill ESP32-S3 – Installing MicroPython

The easiest way is using the online tool. It works with Chrome and Edge browsers.

But you can also install the tools on your machine.

MicroPython requires the base toolset for ESP32:

Download the latest firmware bin file from the official page.

Identifying the RedPill port is specific to each operating system. Check this link to see how to identify the serial port.

Once we know the serial port, we can erase the RedPill and write the MicroPython firmware. Don’t forget to replace the port with your own local port and the firmware bin file with the one you downloaded.

Erase the RedPill flash:

esptool.py --chip esp32s3 --port /dev/cu.usbserial-1440 erase_flash

And write the MicroPython firmware:

esptool.py --chip esp32s3 --port /dev/cu.usbserial-1440 write_flash -z 0 firmware-file.bin

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