Attributes

Brand	-
Category	Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin	-
Detection Gases	VOC, CO₂, Formaldehyde
Communication Interface	UART / I2C
Operating Voltage	5V DC
Operating Current	80mA (Typical)
CO₂ Measurement Range	400-5000 ppm
VOC Measurement Range	0-500 ppb
Formaldehyde Range	0-5 mg/m³
Warm-up Time	3 Minutes
Operating Temperature	-10°C to 50°C
Module Dimensions	32 x 32 x 10 mm

5 reviews

Anonymous

Apr 08, 2026

Rating: 5/5

Perfect for Home Automation

Works great with my ESP32 project. Readings seem consistent compared to my standalone monitor.

Anonymous

Mar 10, 2026

Rating: 5/5

Reliable Readings

Compared with professional meter and the CO2 levels matched closely. Highly recommend for DIY.

Anonymous

Mar 02, 2026

Rating: 4/5

Good accuracy

Takes a bit to warm up as stated, but once stable, the data is reliable. Good value for money.

Anonymous

Feb 07, 2026

Rating: 3/5

Documentation needs work

Sensor works but code examples were outdated. Had to troubleshoot the UART connection myself.

Anonymous

Jan 21, 2026

Rating: 5/5

Compact Design

Fits easily in my enclosure. The pinout is clearly labeled which saved me time during wiring.

5 FAQ

Q: What is the power consumption?

A: The typical operating current is around 80mA when actively sensing.

Q: Does it require manual calibration?

A: The module comes factory calibrated. It also features an auto-calibration function over time.

Q: Is this compatible with Arduino Uno?

A: Yes, this module is fully compatible with Arduino Uno via UART communication.

Q: Can this detect smoke or carbon monoxide?

A: No, this sensor is designed specifically for VOC, CO₂, and Formaldehyde detection only.

Q: Is there a library available for Python?

A: Yes, you can find community-supported libraries on our GitHub repository page.

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