New blog post - a look at how things have changed since I first used microcontrollers in the early 1990s, and some of the new features they have managed to cram into the latest versions. blog.tynemouthsoftware.co.uk/2025/09/new-...

Finally finished building the Retro Chip Tester Pro. #electronics

I had an awesome day at #RetroFest2025 today, lots of cool things on display.

Started to assemble the Retro Chip Tester Pro. #electronics

Finished the traffic light simulator today. #electronics

Done a bit more work on this. #electronics

A bit of Sunday soldering, made a little traffic light simulator using 74 series logic. The design was featured in the September 1983 edition of Everyday Electronics. #electronics

Been working on CrosFoberMordulator Synth Voice module from Look Mum No Computer. #electronics www.lookmumnocomputer.com/projects#/cr...

New project.. finally got around to getting a Retro Chip Tester Professional PCB. #electronics 8bit-museum.de/hardware-pro...

Been to the Retro Computer Festival today at the Centre for Computing History.

Building a 8 bit blinkenlight display, inspired by the one I saw at This Museum Is Not Obsolete.

Loved seeing some of @devilishdesign.bsky.social collection of computers at the Retro Computer Festival.

Great to see @6502nerd.bsky.social breadboard computer today at the Retro Computer Festival.

Been to The Retro Computer Festival today, lots of cool things on display.

I've been building a new Arduino robot, using the Cytron Technologies Maker Drive motor driver and Maker Line sensor boards. The aluminum chassis came from Adafruit. I used this guide. www.hackster.io/cytron-techn...

The things you find...

This weekend I have mostly been writing PICAXE BASIC code to drive the MCP23017 i2c I/O expander.

Testing the MERG CDU.

This vintage Raspberry PI still works!

New blogpost - VIC20 Keyboard Repair. mrtomsworld.blogspot.com/2023/10/vic-...

Doing a bit of Sunday soldering. #electronics

Today, I have mostly been replacing the RIFA caps on this BBC Micro PSU.