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Field 1 Chart IFrame
<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/124005/charts/1?bgcolor=%23ffffff&color=%23008000&results=100&title=CO2+concentration"></iframe>
Field 2 Chart IFrame
<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/124005/charts/2?bgcolor=%23ffffff&color=%230000ff&results=100&title=Relative+Humidity"></iframe>
Field 3 Chart IFrame
<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/124005/charts/3?bgcolor=%23ffffff&color=%23ff0000&results=100&title=Temperature"></iframe>
Field 4 Chart IFrame
<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/124005/charts/4?bgcolor=%23ffffff&color=%239400d3&results=100&title=Free+Heap"></iframe>
Channel Status Updates IFrame
<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/channels/124005/status/recent"></iframe>
CO2 vs. Temperature IFrame
<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/apps/matlab_visualizations/79191"></iframe>
CO2 vs. Humidity IFrame
<iframe width="450" height="260" style="border: 1px solid #cccccc;" src="https://thingspeak.com/apps/matlab_visualizations/79200"></iframe>
I would like to know if you could help me with any questions I have. For example, I can not see decimals in thingpeak, although on the Arduino IDE serial monitor if they appear to me, do I have to configure something in thingspeak?
Thank you very much,
Alejandro
alejayo@gmail.com
Thanks for expressing interest in my project.
As for your question about the precision of data sent to ThingSpeak I can answer that no extra setup is needed. Make sure you convert data properly in your sketch.
And based on your channels feed I see you've alreade sorted this out.
Best regards,
Anton