Ein Gastbeitrag von Patrick Mulder über digital und analog Interaktions. Ursprünglich am 01 März 2015 auf thinkingonthinking.com veröffentlicht. Patrick und Robert haben vom 28.2. bis 1.3.2015 gemeinsam an einem Arduino IoT Workshop mit Massimo Banzai (Co Founder von Arduino) teilgenommen. Am Ende des zweitägigen Workshops waren wir in der Lage den Kickertisch in eine digitale Entertainment-Maschine mit Twitter-Account zu verwandeln. Ein riesen Gaudi!
Bildschirmfoto 2015-03-02 um 17.25.15

Bild von Mareen Przybylla
Bildschirmfoto 2015-03-02 um 17.25.34

Bild von Mareen Przybylla

 

Doch nun zu den Eindrücken von Patrick: It was great to learn about a mash up of interfaces, hardware and software that is generally labelled “Internet of Things”. Massimo Banzi from Arduino provided a lot of interesting material for doing further experiments.

Designing smart interactions

Sitting in one of IDEO Munich’s creative spaces, the workshop started with general design discussions about needs for connected devices. When you start listing devices of daily usage, you quickly discover many sensors and feedback loops to run our everyday lifes. In the next years, Internet of Things offers smarter devices by recording, communicating and visualizing patterns about interactions with these devices.

After brainstomring connected devices, we learnt how the Arduino Yun can help a lot in prototyping interactions for the Internet of Things. The Arduino Yun combines Wifi and ethernet capabilities with an Arduino Leonardo which has among other things 6 analog inputs and 6 analog outputs.

Sidenote: The Ivrea design school

Arduino and its role for interaction design were rooted in the Ivrea design school. Italy is famous for design, and Ivrea in particular for building Olivetti. Olivetti experimented with a design culture beyond their products as this video shows.

The Ivrea design school collaborated with many important designers and design thinkers, such as Bill Moggridge, co-founder of IDEO. To grasp an idea of his work, this video is interesting.

No screens for direkt interactions

Back to the workshop, when building devices with Arduino, it quickly becomes clear: There are no screens. You can read and write things via the Serial monitor. But a lot of physical computing is done directly with light, motion or sound. This is rather different when you are used to build UIs with software only.

Still, when gathering data from sensors, visualizations play an important role. We used this simple gauge library to show data from remote sensors.

Before you can visualize data, you must fetch it over the network. Here, we saw the role of MQTTHiveMQ and Mosquitto. Massimo provided many details about the background of this protocol, and why the publish-subscribe pattern is so important for Internet of Things.

APIs

Services for connecting devices were the last topic of the workshop. By skipping the software UI’s, this part led to questions about how to wrap APIs. Working with Temboo, we quickly had some working examples of reading and writing messages to Twitter, for example.

Conclusions

It was a great weekend. By putting many simple ideas in a new context, it was interesting to get a feeling for the future: Connected worlds. Connectivity, however, is still not easy these days. What feels seamless transmission over the air, are often highly engineerd software solutions around Wifi protocols. Yet, combining interfaces, circuits and code is very nice to explore and you can create amazing digital analog interactions in a short time.

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