Let's Code ESP8266 0x02: CO2 sensor CCS811

In the second part of the ESP8266 Let's Code we will attach an I2C CO2 and air quality sensor: the CCS811. This IC is ubiquitous and well supported by a nice Arduino library. Use the github link below to download a ZIP file of the library and import it into the Arduino IDE.

I will walk you through an example program and how to wire up the ESP NodeMCU to the CCS811 on a breadboard.

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CCS811 Library: https://github.com/maarten-pennings/CCS811 CCS811 sensor module: https://www.ebay.de/itm/CCS811-CJMCU-Module-MG811-Carbon-Dioxide-CO2-Gas-Sensor-Detector-Analog-Signal-/401617664540 NodeMCU: https://www.ebay.de/itm/Wemos-NodeMcu-ESP8266-ESP-12E-CH340G-WIFI-Network-Development-Board-for-Arduino-/401632381437?var=&hash=item5d8327c9fd

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