Search found 2 matches

by IanSB
Sun Feb 17, 2019 3:04 am
Forum: Hardware
Topic: ZX81 HDMI interface using Raspberry Pi Zero
Replies: 7
Views: 1822

Re: ZX81 HDMI interface using Raspberry Pi Zero

Fwapp wrote:
Sat Feb 16, 2019 1:16 pm
I pretty crap these days at conjuring circuits up, could you post a schematic of the little circuit required? I'd love to give this a try. I have the CPLD pcb on the way.
This is the circuit on the veroboard in addition to the pcb that's plugged into the Pi zero:

composite2rgb.jpg
by IanSB
Sun Feb 03, 2019 4:51 pm
Forum: Hardware
Topic: ZX81 HDMI interface using Raspberry Pi Zero
Replies: 7
Views: 1822

ZX81 HDMI interface using Raspberry Pi Zero

I've been contributing to an open source HDMI converter project primarily developed by Hoglet on the stardot forums for use with the BBC micro / Master 128 / Electron (I wrote the mode 7 deinterlace and genlock code) but we've been adapting it for other micros and I recently got it working with the ...