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

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

Using LED or character LCD displays is quite simple. However 7 segment LCD displays are very nice too and look just that bit more professional and use far less power.

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.

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.

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").

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.

Displays are a very important subject in electronics because they provide the way data is presented. 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 compact little device that simply shows the time, date and temperature.