Kevin

@emalliab
71 Followers
138 Following
63 Posts

Music, software, electronics, maker, art, books, writing, kids. geek, dad, engineer, blogger, musician. I only follow what I think I can keep up with.

Music related making: @diyelectromusic

Websitehttps://emalliab.wordpress.com/about
PronounsHe/Him

How I got my own design for a Z80 CPU tester wrong and ended up just building someone else's instead.

Stil at least I now know how and why they work :)

https://emalliab.wordpress.com/2026/05/10/z80-cpu-tester-fail/

#MakerFail #Z80 #RetroComputing

Remaking the PDS target boards for the ZX Spectrum and Amstrad CPC (maybe - I really could do with someone who knows what they're doing checking them over :)).

https://emalliab.wordpress.com/2026/05/08/pds-the-programmers-development-system-part-3/

#RetroComputing #PDS #ProgrammersDevelopmentSystem #ZXSpectrum #AmstradCPC

Getting to know the Programmers Development System from the 1980s for 8-bit computers...

https://emalliab.wordpress.com/2026/05/04/pds-the-programmers-development-system/

#RetroComputing #ZXSpectrum #PDS

I'm finally attempting to properly get my head around the Raspberry Pi Pico programmable IO (PIO).

https://emalliab.wordpress.com/2026/04/02/pio-on-the-raspberry-pi-pico/

Game of Life on a Cheap SMD Practice LED Matrix

PeerTube

Driving a cheap 256 LED SMD matrix surface mount soldering practice kit from an arduino.

https://emalliab.wordpress.com/2026/02/16/256-led-smd-practice-board/

#Arduino

Testing a Cheap SMD Practice LED Matrix Kit

https://makertube.net/w/5QKV5H1W5FX4VRKWsNXwZZ

Testing a Cheap SMD Practice LED Matrix Kit

PeerTube