Waveshare Digital SGP40 VOC (Volatile Organic Compounds) Gas Sensor, I2C Bus


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SKU: 1051936
  1. Sensor:SGP40
  2. Communication Bus: I2C
  3. Response Time:< 10s
  4. Measurement Range:0~1000 ppm of ethanol equivalents
  5. Operating Voltage:3.3V/5V
  6. Digital I2C output, less interference
  7. Onboard voltage translator, compatible with 3.3V/5V operating voltage


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Category: Gas and Dust Sensor
Tags: Air Quality Sensor

The SGP40 VOC Sensor is a digital VOC (Volatile Organic Compounds) sensor module that incorporates SGP40, designed for air quality monitoring. It can be used to measure fire coal, natural gas emissions, cigarette/cooking smoke, and emissions from constructing activity, decoration material, furniture, home appliances, then generate digital signals for triggering air treatment devices. The SGP40 VOC Sensor is small in size for easy integration into air treatment devices and air quality monitors, definitely an ideal choice for learning air quality monitoring.


  1. Incorporates SGP40, for measuring 0 ~ 1000 ppm of ethanol equivalents
  2. Features humidity-compensation and low-heat-dissipation, providing outstanding performance on sorts of environments
  3. Digital I2C output, less interference
  4. Onboard voltage translator, compatible with 3.3V/5V operating voltage
  5. Comes with development resources and manual (examples for Raspberry Pi/Arduino/STM32)

Useful link:

For Software setup, please follow this tutorial.

Package Includes:

1 x Waveshare Digital SGP40 VOC (Volatile Organic Compounds) Gas Sensor, I2C Bus

SKU: 1051936 Category: Tag:
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Shipping Weight 0.013 kg
Shipping Dimensions 7 × 5 × 2.3 cm
6 Months Warranty

This item is covered with a supplier warranty of 6 months from the time of delivery against manufacturing defects only. This is a quality product from the original manufacturer. Only manufacturing defects are covered under this warranty. Replacement will be done against manufacturing defects.

What voids the warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: China