Get started with CircuitPython [C3 series]¶
Flash CircuitPython firmware¶
Flash firmware¶
Make S2 boards into Device Firmware Upgrade (DFU) mode.
- Press and hold the [9] Button
- Press and release the [Reset] Button
- Release the [9] Button
Flash using esptool.py
esptool.py --chip esp32c3 --port PORT_NAME --baud 1000000 write_flash -z 0x0 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.