Rhys Goodwin

This is/was one of my blogs. Just a few bits and pieces - IT, woodwork, metalwork, electronics, DIY, technology articles and anything else I might be currently interested in and get around to documenting.

There might be some broken things because this site was converted roughly from Wordpress to jekyll.

My main area of interest these days is political party innovation which I’m building a project for at political.nz

Opcom Firmware 199 Hex File Work Better Direct

Connect your programmer to the ICSP header on the Opcom board. The pinout is usually standard (VPP, VDD, GND, PGD, PGC). Ensure the Opcom interface is NOT plugged into the car or the USB port of your computer during this process; the programmer provides the necessary power to the chip.

: The firmware version 1.99 is typically designed for China clone interfaces. It works best on units containing the PIC18F458 microcontroller . Use a tool like OCFlash or OP-COM Firmware Flash Tool to verify your chip before attempting to flash a hex file. opcom firmware 199 hex file work

: These interfaces often use a cheaper PIC18F45K80 chip instead of the original PIC18F458 . The bootloader on these chips is usually protected, meaning you cannot overwrite the HEX file via USB. Using the .hex File Connect your programmer to the ICSP header on