Uploaded November 2020 | Updated September 2026, 2 weeks ago

---

I build a cable for my RGBtoHDMI adaptor and then put this device (which uses a Raspberry Pi Zero) through its paces. I test CGA, EGA and Tandy 1000 graphics and the results are amazing!

Update: You can now buy the RGBtoHDMI from the Retro Hack Shack Shop retrohackshack.com/product/rgbtohdmi

Chapters:
00:00 - Intro
01:21 - Building The Cable
06:04 - Loading The Software
06:53 - Initial Tests And Troubleshooting
15:19 - Diagnostics CGA
17:04 - Diagnostics EGA
24:43 - Testing Tandy Graphics
32:26 - Wrap Up

Disclaimer: Some links to buy products are affiliate links so I can raise support for the channel. This doesn’t affect the price you pay.

Part 1 - youtu.be/8lnaI7TY0qQ
Part 3 - youtu.be/Wm2eo4BEna4
Part 4 - youtu.be/pJgq_Wc5DgI

RGBtoHDMI GitHub Page
github.com/hoglet67/RGBtoHDMI

RGBtoHDMI Support Forum Post
stardot.org.uk/forums/viewtopic.php?f=3&t=14430

Cable Pinout Diagram And Test Programs
retrohackshack.com/?p=249

Music used by permission:
“Ice Blast” and “Fakebit World” by Malmen
soundcloud.com/malmen

Support me on Patreon - patreon.com/retrohackshack
Website - retrohackshack.com
Instagram - instagram.com/retrohackshack
Twitter - twitter.com/retrohackshack
Tools I Use - retrohackshack.com/tools
T-shirts, Books and more - retrohackshack.com/shop