STEM-algen

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/3358038/widgets/1250405"></iframe>

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/3358038/widgets/1254733"></iframe>

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/3358038/charts/1?bgcolor=%23ffffff&color=%23d62020&dynamic=true&results=120&timescale=60&title=NTU&type=line"></iframe>

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/3358038/charts/3?bgcolor=%23ffffff&color=%23d62020&dynamic=true&results=120&timescale=60&title=TEMP&type=line"></iframe>