This is the third and final galvanic insulator in my little series. It provides an insulated UART with TTL levels. It was tested up to 256K baud.

This is a micro Tetris.

It features a fully functional Tetris programmed in C with the free TI Code Composer Studio.

My UV exposure frame for making PCBs did not have a timer, so I built a little one and included it in the housing.

This is a little weather monitor. It has a 2.2" color display and is powered by an AVR and the ESP8266.

This is a prototype that implements the concept of a physical progress bar. It is based on a motorized studio fader that is connected to a microcontroller. Read more

These programs were made in the very early 2000s when I started programming on Windows.