Description About a year ago, I built a large E-Ink image display using a Raspberry Pi. While it worked well, the Raspberry Pi required relatively high power consumption, making battery operation impractical. When I discovered that a similar system could be built using an ESP microcontroller, I didn’t have to think twice. It was the perfect opportunity to revisit the project and create a much more power-efficient version. Project summary In this project, I converted my Raspbe

Description For years, I had been thinking about building my own drawing machine. Since I already had a collection of small stepper motors lying around, I finally decided it was time to turn the idea into reality and build one myself. Project summary In this project, I built a CNC drawing machine and experimented with several improvements to increase the drawing quality. However, after a number of iterations, I decided to stop the project because the achievable quality did no

Description After becoming an uncle we were confronted with a huge number of pictures. Already before that I have thought about making an...