Description:
 
Module size: 15mm x 21mm
Power supply: 3.3V
CJMCU-8118 a gas sensor chip system chip
(SSoC) + temperature and humidity sensor, using
low-power sensing technology to detect indoor
volatile organic compounds (VOCs).
CCS811 CJMCU8118 board schematic structure
of the figure we can see that this is not a simple
sensor, it has integrated MCU, the sensor has an
onboard processing capability, without host intervention,
can provide the equivalent level of carbon dioxide or
total volatile organic compounds (TVOC) index. At the
same time, with the use of separate gas sensors and
MCU solutions, CCS811 can save equipment
inventory costs as well as up to 60% of the total
area of the board.
The relative humidity is 2% (typical)
Temperature accuracy of + 0.2 C (typical)
Excellent stability under high humidity
14 bit resolution
Sleep mode current is 100nA