Get started with MicroPython [S2 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

• Python
• esptool (for flash esp32-s2 firmware.)

pip install esptool

S2 Firmware

• Firmware

Flash firmware

• Make S2 boards into Device Firmware Upgrade (DFU) mode.

  • Hold on Button 0
  • Press Button Reset
  • Release Button 0 When you hear the prompt tone on usb reconnection

• Flash using esptool.py

  esptool.py --port PORT_NAME erase_flash
  esptool.py --port PORT_NAME --baud 1000000 write_flash -z 0x1000 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.

Quick reference

• Quick reference for the ESP32