OPC UA in the Internet of Things

The idea of connecting things other than dedicated computing devices to the Internet is by no means new. Various examples such as remotely controlled coffeemakers or refrigerators reporting their contents have circulated for several decades, but up until recently they have been little more than anecdotal in nature. However, recently there has been a clear and growing trend for ever-increasing connectivity, dubbed the Internet of Things (IoT). In essence, the idea is quite simple – connect objects and people to enable automatic communication of data without the need for human interaction. In practice of course, it requires many new technologies to implement it. Continue reading

Raspberry Pi demo updates

Our Raspberry Pi weather station demo has been upgraded. The system has been enclosed in a box and cables have received threaded cover layer. Two DS18B20 external temperature sensors have been added, one of them can be removed if needed (by a DB9 connector, with custom soldering). Three buttons have been added for adding interaction for exhibition visitors. Continue reading