For ARCA and ORCA. This version is the final version flashed in ARCA and ORCA (continue reading) DU bases. The embedded software files (you'll actually need the .hex file only) to be flashed in ARCA can be found in: micro/BPS-V03-FIRMWARE-v01.X/dist/ARCA/production While the one for ORCA can be found in: micro/BPS-V03-FIRMWARE-v01.X/dist/ORCA/production