ThingSpeak

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Dear all, I am using the micro:bit with ESP-01s and the CO2 sensor to monitor indoor air quality. Thingspeak cannot show the data eventhough the ESP is connected to the wifi (checked with the router). Failed to talk to my ESP even I have setup a new channel many times. Can anyone advise me what to do? Thank you for your help in advance. ESP-01 communication problem with thingspeak using a micro:bit Share a code snippet please. Consider using the <https://github.com/mathworks/thingspeak-arduino ThingSpeak library> . It has good examples as well. But first, see if you can update your channel using the web browser. If you click the API keys tab on your channel you will see the format for updating in the browser address window. Me too, my micro:bit data not showing on the thingspeak dashboard. micro:bit esp-01s