SGP30 Gas Sensor

Operating Voltage

1.62V to 1.98V V

Supply Current

48.8mA (in measurement mode) mA

Interface

I2C fast mode

Resolution

TVOC: 1 ppb, CO2eq: 1 ppm in their respective ranges

Range

TVOC: 0 ppb to 60000 ppb, CO2eq: 400 ppm to 60000 ppm

Accuracy

Typical accuracy of ±15% for ethanol signal and ±10% for H2 signal at 25°C, 50% RH and typical VDD %

Temperature Range

-40 to +85°C (operating), -40 to +125°C (storage)

Package

6-pin DFN

Community starter examples — minimal, unofficial, and provided to get you wiring fast. Verify against the manufacturer datasheet before relying on them.

// SGP30 eCO2 / TVOC air quality (I2C) — community starter example
#include <Adafruit_SGP30.h>

Adafruit_SGP30 sgp;

void setup() {
  Serial.begin(115200);
  if (!sgp.begin()) { Serial.println("SGP30 not found"); while (1) delay(10); }
}

void loop() {
  if (sgp.IAQmeasure()) {
    Serial.print("eCO2="); Serial.print(sgp.eCO2); Serial.print(" ppm  TVOC=");
    Serial.print(sgp.TVOC); Serial.println(" ppb");
  }
  delay(1000);
}

# SGP30 (ESP32) — community starter example
# driver: an SGP30 MicroPython port (e.g. alexmrqt/micropython-sgp30)
from machine import Pin, I2C
from sgp30 import SGP30
import time

i2c = I2C(0, scl=Pin(22), sda=Pin(21))
s = SGP30(i2c)
s.iaq_init()

while True:
    co2, tvoc = s.iaq_measure()
    print("eCO2", co2, "TVOC", tvoc)
    time.sleep(1)

• VOC + eCO2 air-quality sensing
• Smart ventilation and air monitors