Emotion Lamp

The idea behind the Vocal-Emotion Lamp is rather simple: to use a small affordable computer that can continually recognize emotion from the human voice and then visualize the result of the analysis, effortlessly and enjoyably. The implementation of this idea uses the small and inexpensive Raspberry Pi computer, extended with a far-field microphone expansion board. The software that performs […]

Extended list of 8-bit AVR Micro-Controllers, easily programmable with the Arduino IDE

A couple days back, I wrote about ‘The $3 Arduino‘, how to leave the Arduino board behind and program an ATmega168 Micro-Controller directly, still using the Arduino IDE but with the AVRMSPII programmer. Of course, the ATmega168 isn’t the only MC available for something like that. In fact, I have quite a few 8-bit AVR […]

The $3 Arduino

Buying and using an official Arduino Board like the standard Arduino Uno is the perfect way to get started with the Arduino language, common electronic components, or your own embedded prototyping project. However, once you have mastered the initial challenges and have built some projects, the Arduino Board can get in the way. For instance, […]

Arduino Pt.4

Doubling the Arduino Flash Memory once again Times really flys when you’re having fun – it has been more two years since I posted this journal entry about how to double the Arduino board’s Flash memory by replacing the ATmega8 with an ATmega168 microcontroller. Lots has changed since then, e.g. the Arduino project now includes several board designs […]

Arduino Pt.2

I have been playing with Arduino for one week now and really enjoyed the simplicity with which Wiring allows access to I/O ports. The comprehensible but mandatory structure of a program works really well as long as things are kept simple, while somewhat more advanced programs could certainly benefit from access to interrupts. However, before making things […]

Arduino Pt.1

Taking advantage of strong disagreements inside Germany, the Italian feudatories rebelled and, in 1002, elected Arduino, Marquess of Ivrea, king of Italy. He distinguished himself particularly because of his fights against the Bishop of Ivrea. Today, Arduino distinguishes itself in price, capability, openness, and ease of use – but first things first. Arduino is an open-source computing […]