Teensy 4.0 based CGA/EGA to VGA converter

inmbolmie

New member
Hi, first time poster here.

I've made this project and wanted to share here as this forum has been an invaluable source of knowledge that made it possible: https://github.com/inmbolmie/T4_EGA_VGA

It as an EGA/CGA to VGA converter based on the Teensy 4.0 and the VGA_t4 library by Jean-Marc Harvengt, that I discovered in this forum https://forum.pjrc.com/threads/62253-VGA-library-for-Teensy-4-0-and-4-1(finally!). Can be made very easily over a breadboard or fabricated as a compact SMT PCB.

It is intended more as an experimental project to test if it was possible than a serious replacement for the existing alternatives, but if you already have the Teensy it is dirt cheap to test as you only need a bunch of resistors.

I'm no expert in microcontrollers, so for sure the code could be improved, but in its current state it is already quite useable.

Thanks.
 
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