I've been using my own private git server for years and years, but have decided to be a little more public. I've settled on Codeberg.org, a donation-supported service.
Reading the news can erode your faith in humanity. Learning about the work being done on Africa's Great Green Wall reawakens mine. What an incredible project!
My 3D modeling skills are still pretty basic, but I did manage to scratch a personal itch and made an anti-vibration stand for external hard-drives. The size is customisable, and when 3D printed in TPU does a good job of keeping the drive upright — and quiet.
Today's challenge is to drive a cheap 8-digit LED display. Months ago I bought a cheap module from Aliexpress. Too cheap. Instead of a nice smart LED driver chip as I had expected, it features instead the jewel of 1980's technology: a pair of 74HC596 shift registers. Let's explore this puzzle!
