RACK a CO2 bottle

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/262262/charts/1?bgcolor=%23ffffff&color=%23d62020&days=7&dynamic=true&title=teplota+%28%C2%B0C%29&type=line&yaxismin=25"></iframe>

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/262262/charts/2?color=%2300aaff&days=7&dynamic=true&title=vlhkost+%28%25%29&type=line"></iframe>

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/apps/matlab_visualizations/414953"></iframe>

<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/262262/charts/3?bgcolor=%23ffffff&color=%230076C0&days=14&dynamic=true&median=10&title=zb%C3%BDv%C3%A1+CO2+%28%25%29&type=line"></iframe>