NanoS3
The following files are firmware for the NanoS3.
Installation instructions
Program your board using the latest version of the esptool.py program, found here.
To flash or erase your NANOS3, you have to first put it into download mode. NANOS3 doesn't include buttons for RESET and IO0, which should be provided by adding external buttons via a carrier board or other method. To put the NANOS3 into download, follow these steps:
- Press and hold the [BOOT] button
- Press and release the [RESET] button
- Release the [BOOT] button
Now the board is in download mode and the native USB will have enumerated as a serial device.
If you are putting MicroPython on your board for the first time then you should first erase the entire flash using:
Linux
esptool.py --chip esp32s3 --port /dev/ttyACM0 erase_flash
Mac
Please do a ls /dev/cu.usbm* to determine the port your board has enumerated as.
esptool.py --chip esp32s3 --port /dev/cu.usbmodem01 erase_flash
Windows
Change (X) to whatever COM port is being used by the board
esptool --chip esp32s3 --port COM(X) erase_flash
Now download the version of the firmware you would like to install from the options below,
then use the following command to program the firmware starting at address 0x0,
remembering to replace nanos3-micropython-firmware-version.bin with the name of
the firmware you just downloaded:
Linux
esptool.py --chip esp32s3 --port /dev/ttyACM0 write_flash -z 0x0 nanos3-micropython-firmware-version.bin
Mac
Please do a ls /dev/cu.usbm* to determine the port your board has enumerated as.
esptool.py --chip esp32s3 --port /dev/cu.usbmodem01 write_flash -z 0x0 nanos3-micropython-firmware-version.bin
Windows
Change (X) to whatever COM port is being used by the board
esptool --chip esp32s3 --port COM(X) write_flash -z 0x0 nanos3-micropython-firmware-version.bin