Welcome to my private hobby page.

This Site is still under construction.

Read more

A custom SEGA Genesis/Megadrive cartridge that turns the console into a headless alarm clock with RTC, seven-segment displays, save RAM, buttons, and a buzzer.

Read more

A collection of projects for the SEGA Genesis/Megadrive, including homebrew software, custom cartridges, hardware utilities, and experiments around SGDK.

Read more

My printables profile can be found here: [NotSure]

This is a 16x16 LED matrix. The picture is scanned at about 60 frames a second. The program has an entry menu and is written in C. Read more



There are many universal remote controls out on the market. None of them have the style of a GameBoy Advance fitted with a little infrared transceiver and a functional C++ program. The name AIR comes from Advanced IR. It was published in the Make blog. Read more

This is a little HTTP Web server and a FTP file server. It is built around an 8bit AVR and a Wiznet LAN module. Once a year I get it out of the box and connect it just for the nostalgia and the delight, that it still works. Read more

I made this project as a side quest for a company. It was used in the production for fast and reliable testing at the end of line. 

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.

A nother commom issue is timekeeping. This little module contains a DS3231 (or DS3232 with RAM) and the backup battery.

Measuring current in a design used to be a bit tricky. But with modern semiconductors this is no more effort than a tiny module with an I2C bus. It only needs three resistors and two capacitors. I used this IC in the Read more