Fermion: CCS811 Air Quality Sensor [Discontinued]

DFRobotSKU: SEN0339
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Sale price £13.90
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This CCS811 Air Quality Sensor Breakout Board can measure the eCO2 (equivalent CO2) and TVOC (Total Volatile Organic Compounds) density. It can be used in applications such as air quality detection, air purifiers, ventilation system, and so on.

This CCS811 air quality sensor uses AMS's unique micro-hot plate technology. Compared to conventional gas sensors, the heating wire is lower power consumption, heating faster, and smaller. Internally integrated ADCs and MCUs allow data to be collected, calculated and returned via I2C. The CCS811 supports a concentration alarm, which is triggered when the concentration exceeds the user-set threshold.

The CCS811 air quality sensor supports multiple modes, such as detect in every second, in every 10s, in every minute, every 250ms and in sleep mode. These modes are optimized for low power consumption during the sensor measurement, so the CCS811 is also suitable for portable applications.

NOTE: The chip has stretched the clock in I2C. So, it is not compatible with some controllers, such as Raspberry Pi.

You can acquire the expansion shield in the diagram below, here

Connection Diagram - Gravity: IO Expansion Shield for Arduino V7.1

Features

  • Short warm-up time
  • Low power consumption
  • High-integrated MCUs and ADCs
  • IAQ threshold alert

Resources

Specifications

  • Operating Voltage: 3.3V~5.5V
  • Warm-up Time: <15s
  • I2C Address: 0x5A (in default) / 0x5B
  • Operating Temperature Range: -40℃~85℃
  • Operating Humidity Range: 10%RH~95%RH
  • eCO2 Measuring Range: 400ppm~8000ppm
  • TVOC Measuring Range: 0ppb~1100ppb
  • Dimension: 16*20mm

Pinout

Num Label Description
1 VCC +
2 GND -
3 SCL IIC clock line
4 SDA IIC data line
5 INT Interrupt pin: interrupt in low level
6 WAKE Switch pin: awake in low level / sleep in high level
7 RST Reset pin: reset in low level

Package Contents

  • 1x CCS811 Air Quality Sensor 
  • 1x 2.54mm 7-pin Black Single Row Pin 

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