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  1. Parts
  2. /Sensors
  3. /Gas & air quality

Grove - Smart Air Quality Sensor SGP41

OverviewPinoutWiringAlternatesRelated groups
Grove - Smart Air Quality Sensor SGP41 — Seeed Studio — 5687

Sensirion SGP41 CMOSens digital gas sensor measuring VOC and NOx indices over I2C via Grove connector. Highly stable design supports continuous long-term indoor air quality monitoring.

Offers

  • ?DigiKey
  • Kiwi Electronics€14.51
  • Seeed Studio$9.90

Pinout

  • VCCGrove connector

    Grove connector supply voltage as documented by Seeed.

    Type · power
  • GNDGrove connector

    Grove connector ground.

    Type · ground
  • SCLGrove connector

    I2C clock on the Grove connector.

    Type · i2c
  • SDAGrove connector

    I2C data on the Grove connector.

    Type · i2c
PinPosition

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, SCL, SDA. 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
  • Fermion: ENS160+BME280 Environmental Sensor (Breakout) visual preview

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Parts tray full · 5 max · remove a part to add another

Offers

  • ?DigiKey
  • Kiwi Electronics€14.51
  • Seeed Studio$9.90
Type
Function
Voltage
VCCGrove connectorpowerGrove connector supply voltage as documented by Seeed.
GNDGrove connectorgroundGrove connector ground.
SCLGrove connectori2cI2C clock on the Grove connector.
SDAGrove connectori2cI2C data on the Grove connector.

Fermion: ENS160+BME280 Environmental Sensor (Breakout)

$29.90
  • Grove - Air quality sensor visual preview

    Grove - Air quality sensor

    Grove indoor-air-quality sensor for a broad mix of CO, alcohol, acetone, thinner and formaldehyde. Single analog index, not a calibrated ppm reading.

  • BME680 Breakout - Air Quality, Temperature, Pressure, Humidity Sensor visual preview

    BME680 Breakout - Air Quality, Temperature, Pressure, Humidity Sensor

    £14.16
  • MQ-2 Gas Sensor visual preview

    MQ-2 Gas Sensor

    Combustible gas and smoke sensor: LPG, propane, methane, alcohol, hydrogen and smoke response. Analog output plus a digital threshold pin. Needs heater preheat.

    $4.49
  • MQ-3 Gas Sensor visual preview

    MQ-3 Gas Sensor

    Alcohol-biased MOX sensor for ethanol vapour and breath-alcohol style prototypes. Analog output plus a digital threshold pin. Needs heater preheat.

    $5.09
  • MQ-135 Gas Sensor visual preview

    MQ-135 Gas Sensor

    Broad indoor-pollutant MQ sensor biased to NH3, NOx, benzene, smoke and CO2-style response. Analog output plus a digital threshold pin. Needs heater preheat.

    $5.89
  • Particulate Matter Sensor - SPS30 visual preview

    Particulate Matter Sensor - SPS30

    Sensirion SPS30 optical particulate sensor. Use for PM monitoring, not as a VOC/eCO2 or combustible-gas substitute.

    $60.50
  • Particle, VOC, Humidity, and Temperature Sensor - SEN54 visual preview

    Particle, VOC, Humidity, and Temperature Sensor - SEN54

    Sensirion SEN54 combined module: particulate matter plus VOC, humidity and temperature. Useful upgrade path from PM-only designs, but firmware and airflow change.

    $34.95
  • SparkFun Air Quality Sensor - SGP40 (Qwiic) visual preview

    SparkFun Air Quality Sensor - SGP40 (Qwiic)

    Sensirion SGP40 Qwiic VOC-index sensor. Good for IAQ trends over I2C, not a gas-specific ppm sensor and not true CO2.

    $18.95
  • SparkFun Indoor Air Quality Sensor - ENS160 (Qwiic) visual preview

    SparkFun Indoor Air Quality Sensor - ENS160 (Qwiic)

    ENS160 Qwiic indoor-air-quality sensor with AQI, TVOC and eCO2-style outputs. Not a true CO2 sensor and not an MQ drop-in.

    $26.59
  • Fermion: ENS160 Air Quality Sensor - TVOC/eCO2/AQI (Breakout) visual preview

    Fermion: ENS160 Air Quality Sensor - TVOC/eCO2/AQI (Breakout)

    ENS160 breakout with TVOC, eCO2 and AQI outputs over I2C/SPI. Similar sensing class to ENS160 Qwiic boards, but connector and board format differ.

    $14.90
  • Fermion: BME688 AI Environmental Sensor (VOC, Temperature, Humidity, Pressure) visual preview

    Fermion: BME688 AI Environmental Sensor (VOC, Temperature, Humidity, Pressure)

    BME688 multi-environment sensor: VOC plus temperature, humidity and pressure. Does not replace particulate or direct CO2 measurement.

    $12.90