CCS811 NTC CO2 eCO2 TVOC Air Quality Sensor for Arduino Mega 2560 UN0 Nano Raspberry Pi ST7789 Highlight of this TFT module:

Highlight of this TFT module: It can be plugged directly into the Arduino Uno or Mega (Plug&Play)

this relay is faster and more reliable than a traditional magnetic relay

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The internal use of professional instrument circuitry combined with a unique precision algorithm ensures the accuracy and stability of the product at the hardware and software level

The loss of the rectifier is low and the efficiency of the converter is more than 90% to meet the requirements of low voltage and high current rectification

CCS811 NTC CO2 eCO2 TVOC Air Quality Sensor for Arduino Mega 2560 UN0 Nano Raspberry Pi ST7789 Highlight of this TFT module:It is an ultra low power miniature digital gas sensor that can detect a wide range of volatile organic compounds (TVOCs), including equivalent carbon dioxide (eCO2) and metal oxide (MOX) levelsKEYESTUDIO CCS811 carbon dioxide, temperature air quality sensor mainly uses the CCS811B chipEquivalent carbon dioxide (eCO2) is measured in the range of 400 to 8192 ppm (parts per million), and various volatile organic compounds (TVOC) ranges from 0 to 1187 ppb