Gravity: PWM NDIR CO2 Sensor (400-5000 ppm)

Gravity: PWM NDIR CO2 Sensor (400-5000 ppm) — DFRobot — SEN0219

NDIR infrared CO2 sensor measures 400–5000ppm and outputs a PWM signal compatible with Arduino. Features high sensitivity, low power consumption, fast response, and resistance to water vapor interference.

Pinout

Logical pinout · physical placement not verified
GRAVITY: PWM NDIR CO2 VCCPWMGND
  • VCC
    Type · Power
  • GND
    Type · Ground
  • PWM
    Type · PWM

Start wiring

I2C · Analog · UART · 3.3 – 5 V · Breakout

Waveshare lists MQ-2 for combustible gases and smoke, MQ-3 for alcohol, and MQ-135 for mixed indoor pollutants such as NH3, NOx, alcohol,…

Module pins: VCC, GND, PWM. Schematik maps them to your board in the app.

Air quality

105 other options

MQ gas sensors, VOC/eCO2 indicators, NDIR true-CO2 modules and PM1/PM2.5/PM10 particulate sensors — over 100 listings across very different detection chemistries.

View all 105

Related groups

4 groups