Description
Reviews
| 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 |
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Sensor works but code examples were outdated.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.
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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