UPDATE: Unfortunately Deutsche Telekom M2M decided that they don’t want to support small developers and they took down my two tutorials. Original Post: In my first tutorial I showed you, how to set up your hard- and software. In my new tutorial I show you how easy it is to create your first M2M application. We have two parts. The …
LED Matrix connected to the Internet
The M2M Developer Community offers an example of the web application for the DevStarter Arduino package. Here you can see your light sensor data as a graph. You can also create an operation which will be executed by the Arduino. To test this web application, a “DeviceControl” sketch is included in the Cumulocity Arduino library. The string you type in the web …
Helping our Office Plant with an Arduino (Part 2)
In part 1 I told you about the first try, to measure the soil moisture with two nails. However, until now, this isn’t a connected device. To bring my data into the cloud I used the Gboard, which is a Arduino based board with a GSM module. I used this, because it is cheaper, than a Arduino Uno with a GSM shield.
Helping our Office Plant with an Arduino (Part 1)
I always search for new ideas of nice and simple M2M or Internet of Things (IoT) examples. Last month I came up with a great idea: I came to our office and saw the plant next to my desk, and it had only a few leaves. I thought that maybe we did not water this plant often enough? I wanted to change it. …