CCS811 Volatile Organic Compounds (VOC) and Equivalent Carbon Dioxide (eCO2) Sensor Breakout Board


  • Digital sensor for measuring changes in VOCs, in particular Carbon Dioxide (CO2)
  • Simply supply power, connect WAK to Ground, and connect the SDA and SCL pins to the I2C pins on your Arduino, ESP8266, Raspberry Pi, etc.
  • Operating voltage of 3~5VDC. 2C address 0x5A
  • Easy to use on a breadboard with the included 8-pin header


SKU: BRK-00040 Categories: , , Tags: ,


This breakout board provides a convenient way to start using the popular CCS811, a digital Air Quality Sensor Module that measures a wide range of Volatile Organic Compounds (VOCs), in particular, equivalent Carbon Dioxide (eCO2). When connected to your microcontroller (e.g., Arduino) or single-board computer (e.g., Raspberry Pi) over I2C it will return a Total Volatile Organic Compound (TVOC) reading and an equivalent Carbon Dioxide reading (eCO2). The onboard CCS811 is comprised by a standard hot-plate Metal Oxide (MOx) sensor, and a small microcontroller that controls power to the plate, reads the analog voltage, and provides an I2C interface to read from. Although the sensor works great, please use certified equipment for reliable detection of gas leakages.

This sensor will measure eCO2 (equivalent calculated carbon-dioxide) concentration within a range of 400 to 8192 parts per million (ppm), and TVOC (Total Volatile Organic Compound) concentration within a range of 0 to 1187 parts per billion (ppb). Per its datasheet, the CCS811 is also sensitive to alcohols, aldehydes, ketones, organic acids, amines, aliphatic and aromatic hydrocarbons.

This breakout board makes it easy to connect this sensor to your microcontroller board or single-board computer such as Arduino, ESP8266, BeagleBone or Raspberry Pi!


  • Power Supply: 3~5VDC
  • This breakout PCB facilitates using the CCS811 sensor, specially on solderless breadboards!
  • Sturdy (1.6mm), purple PCB with an 8-pin header on one side (VCC, GND, SCL, SDA, WAK, INT, RST and AD0)
  • 8-Pin header included (soldering required!)

Additional information

Product Dimensions

0.45 x 0.66 x 0.2 inches; 0.1 Ounces

Date First Available

March 31, 2017






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