A hex file contains compiled machine code. It is used to program the microcontroller inside the OP-COM hardware interface. The Role of Microcontrollers
If you were to leave a review based on your experience, it might look something like this: opcom firmware 199 hex file work
Connect your OPCOM interface to your PC via the USB cable (do not connect it to the car yet). A hex file contains compiled machine code
| Criteria | Flashable? | | ------------------------------------------------- | ------------------------------- | | Genuine Microchip chip | Yes (with the right tools) | | Board revision V5 (original clone design) | Yes | | OP‑COM branded chip (no PIC18 marking) | No – flashing will brick it | | Board revision V6 or later with counterfeit chip | No – flashing will brick it | | Criteria | Flashable