1. OG

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/apps/matlab_visualizations/370224"></iframe>

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/1140283/charts/2?bgcolor=%23ffffff&color=%23d62020&dynamic=true&results=100000&title=Feuchtigkeit&type=line"></iframe>

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/1140283/charts/1?bgcolor=%23ffffff&color=%23d62020&dynamic=true&results=100000&type=line"></iframe>