Opcom Firmware 199 - Hex File Work

A tool like the PICkit 3 or TL866II Plus is required to write directly to the chip.

Open your Opcom interface. Look for the main IC. opcom firmware 199 hex file work

Understanding OP-COM Firmware 1.99 Hex Files and Software Compatibility A tool like the PICkit 3 or TL866II

Erase the chip, write the new hex file, and run a verification check to ensure successful programming. Troubleshooting Common Issues write the new hex file