Everyone is talking about the Internet of Things at the moment. This is why this year's Zühlke camp was largely about this topic. Using different scenarios, we experimented with IoT technologies and also examined various platforms. After all, you shouldn't keep reinventing the wheel, but use existing infrastructures and applications.<p class="MsoNormal"><span lang="EN-GB" style="mso-ansi-language:EN-GB">This article is about the IoT platform </span><a href="https://thingspeak.com/" target="_blank" title="Homepage Thingspeak - The Open Data Platform of the Internet of Things"><span lang="EN-GB" style="mso-ansi-language:EN-GB">ThingSpeak</span></a><span lang="EN-GB" style="mso-ansi-language:EN-GB">, which we tested in practice using the scenario described below.</span></p>
<p class="MsoNormal"><span lang="EN-GB" style="mso-ansi-language:EN-GB">An ammeter, which another team implemented on the basis of a Raspberry Pi, sends data to ThingSpeak about the ongoing current consumption of the connected devices. The IoT platform will visualise this data and post a message on Twitter as soon as a certain threshold is exceeded.</span><span lang="EN-US" style="mso-ansi-language:
EN-US"><o:p></o:p></span></p>