Welcome to my private hobby page.

This Site is still under construction.

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This project came out of a very practical problem during the pandemic, when working from home suddenly became normal. Two people working in the same room sounds harmless enough, until one of them is in a video call and the other one walks in completely unaware.

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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.

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

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My printables profile can be found here: [NotSure]

This is definitely one of my favorite projects and it is hanging in my living room (as of 10 years ago it is not hanging anymore as my better half did not approve of this "hideous thing"). 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.  Read more

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

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

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