Barometr

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/2820743/widgets/1048917"></iframe>

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/2820743/widgets/1048918"></iframe>

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/2820743/charts/2?average=60&bgcolor=%23ffffff&color=%23d62020&days=3&dynamic=true&title=BAROMETR_tydzie%C5%84&type=line"></iframe>