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

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

My first attempt using an AVR together with the USB port. It's an HID keyboard device featuring a num lock LED and num lock key. Read more

Sometimes when handling AVRs something happens that is known as "bricking" a device. Read more

This module contains a micro SD card, 32Kbyte serial SRAM and an ATmega644 and has the size of a standard SD card.Obviously nowadays any modern CPU can easely drive a sdcard asside process. Read more

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

One basic need of a computer scientist is to measure the power that a USB device drains off the PC. Read more

This is the bigger brother of the Temp-p-clock. It has a 128x64 pixel display with a touchscreen. Read more

There are a lot of printer solutions on the market nowadays. Also the connectivity is excellent by enabling printers with WIFI.

The CPC (Chain Punch Counter) is an optical device for martial artists. It can count the so called "Chain Punches" - a technique from the Wing Tsun Kung Fu martial arts. Read more