In order to update the firmware you will need 1. USB to Serial Converter ( for ease of use, use ncd USB serial programmer) 2. Windows PC USB-Serial Driver (CP210x VCP Windows) https://www.silabs.com/developers/usb-to-uart-bridge-vcp-drivers
Step 1 — Download the upload too Binary file (Keep the Folder path Length as short as possible)
https://github.com/ncd-io/V3-Firmware-Update-
Step 2 — Connect the Sensor board to PC using a USB to serial. On the Sensor board the connector J15 is the USB to serial
Step 3 — The script will ask for a serial port. Sect the serial port of your USB-Serial Converter
Step 4 — Put the board in bootloader mode. to do that hold the “CFG” button and press release “RST” button and then release “CFG” button
Step 5 — Execute the “RUN” script
Script will clear out old code and will upload the new code. once code is uploaded, remove the USB to serial and power cycle the unit