Description
Reviews
| Brand | - |
| Category | Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals |
| Origin | - |
| Sensor Technology | Electrochemical & NDIR |
| Detected Gases | VOC, CO₂, Formaldehyde (HCHO) |
| Communication Interface | UART / I2C |
| Input Voltage | 5V DC |
| Operating Temperature | -10°C to 50°C |
| CO₂ Range | 400 - 5000 ppm |
| VOC Range | 0 - 5000 ppb |
| Formaldehyde Range | 0 - 5 mg/m³ |
| Module Dimensions | 35mm x 35mm x 12mm |
| Pre-heat Time | 30 Seconds |
Anonymous
Apr 03, 2026
Rating: 5/5
Perfect for smart home integration
Love being able to monitor formaldehyde levels. Gives peace of mind after painting rooms.
Anonymous
Feb 23, 2026
Rating: 5/5
Solid industrial component
Using this for a prototype HVAC system. The UART output is stable and documentation was clear.
Anonymous
Feb 08, 2026
Rating: 4/5
Reliable data output
Minor lag in VOC response but overall very satisfied with the build quality and pin layout.
Anonymous
Jan 26, 2026
Rating: 5/5
Great for DIY Air Quality Monitors
Integrated easily with my ESP32 project. Readings seem consistent compared to my standalone meter.
Anonymous
Jan 16, 2026
Rating: 4/5
Good accuracy, needs calibration
Works well after letting it run for a few hours. CO2 readings match expectations. VOC sensitivity is high.
Q: Can it detect carbon monoxide?
A: No, this module is specific to VOC, CO₂, and Formaldehyde only.
Q: What is the power consumption?
A: Average consumption is around 100mA during active sensing.
Q: Is the casing included?
A: Yes, the module comes with a protective plastic housing as shown in images.
Q: Does it require regular calibration?
A: We recommend automatic baseline calibration every 7 days for optimal CO2 accuracy.
Q: Is this compatible with Arduino?
A: Yes, it works with Arduino Uno and Mega via UART or I2C libraries.
Stainless Steel Over-Toilet Storage Rack – Floor-Standing Bathroom Organizer for Narrow Spaces Near Toilet or Washing Machine
$8.42
240 Drum Kit Techniques
$15.00
ZITAY D-TAP to DC Male Connector Power Cable for V-Mount Battery, Atomos Monitor Power Supply
$59.00
2025 New Flexible Silicone Food Warmer Plate - Multi-Functional and Rollable
$185.00
Michelin Tires 225 235 245 255 275/45 50 55 60R17 18 19 20 21 Run-Flat
$400.00
Narrow Gap Storage Rack for Behind Toilet - Bathroom Organizer Cabinet, Plastic Floor-Standing Unit for Restroom or Balcony
$24.20
Authentic Kayou Ultraman Cards - Zero & Tiga Classic Edition Full Box Deluxe Set with Max Star Cards (10 Yuan Pack)
$8.50
![[800N] Electric Wrench Pure Copper Brushless Lithium Battery Electric Wrench for Scaffolders, Carpenters, and Auto Mechanics](https://www.gosteppe.com/cache/small/product/269958/legacy-main-ec3c299e01aeec8ca2d4d9fb.webp)
[800N] Electric Wrench Pure Copper Brushless Lithium Battery Electric Wrench for Scaffolders, Carpenters, and Auto Mechanics
$287.00
Aromatherapy Candle Essential Oil, Soluble Fragrance Oil, Lily and Mint Scent, High Concentration Diffuser Stone and Soap DIY Material
$3.90
Disiple Commercial Fried Chicken Warmer with Heat Lamp for Egg Tarts, Chestnuts, and Sweet Potatoes
$1,045.00
Baby Rattle with Chewable Goat Skin - Traditional Wooden Hand-Shaken Toy for Newborns
$8.42
Low-Temperature 3D Stereoscopic Drawing Pen for Kids, 3D Printing Pen Consumables PCL Filament Coil
$10.20
GHL Small Wet Mixing Granulator Chicken Essence Feed Pelletizer Lab High-Speed Wet Mixing Granulator
$36,000.00
![[Damai Holds Micro-Needle Hair Transplant Patent] Top Thinning Hair Transplant | Micro-Needle Density Enhancement 1000 Grafts](https://www.gosteppe.com/cache/small/product/269952/legacy-main-dcbe0d97f2626dd23efe098f.webp)
[Damai Holds Micro-Needle Hair Transplant Patent] Top Thinning Hair Transplant | Micro-Needle Density Enhancement 1000 Grafts
$14,000.00
![[Folded Book] Zhao Mengfu Running Script: Zhi Zhai Ji - Complete Original-Size Calligraphy Masterpiece in Accordion Binding](https://www.gosteppe.com/cache/small/product/269951/legacy-main-dcc7bccd2c0e53c519ed3ca3.webp)
[Folded Book] Zhao Mengfu Running Script: Zhi Zhai Ji - Complete Original-Size Calligraphy Masterpiece in Accordion Binding
$15.10
Aizaofang Four-Connected Flower Elf Oval Flower DIY Handmade Soap Silicone Mold New Bar Soap Silicone Mold
$16.10
Ruitai Dental Korean Implant System Package
$3,980.00
Dental Implant Package - Full Mouth Zirconia Crowns by Dilic for Missing Teeth Replacement
$10.00
Adjustable Over-Toilet Storage Rack for Bathroom Floor Standing Space Saving Organizer
$147.20
Flake Soy Wax & White Bees Wax Pellets – DIY Cup Candle Making Kit with Strawberry Scented Mold and Raw Materials
$5.34
Manufacturer Supply FF High-Speed Dispersing Kettle - Stainless Steel Reactor for Paint, Ink, and Chemical Mixing Equipment
$9,104.80
Mia Bouncy Sketch Blending Cotton Sponge Ball Paper Stump Water-Absorbent Sponge New Art Tool Washable Magic Cotton for Students
$4.80
Yucheng 1606 Fast-Drying Acrylic Adhesive - Odorless, Non-Whitening Glue for Acrylic Bonding
$21.20
Magnetic Storage Shelf Cute Building Block Magnetic Organizer Box Refrigerator Decorative Sticker Cling Film Holder Wall-Mounted Fridge Magnet
$3.80
Commercial Countertop Fried Chicken Warmer Cabinet Hamburger Egg Tart Heating Constant Temperature Box Multi-Function Insulated Display Case for Fried Foods
$620.00
Rectangular Silicone Mold for DIY Handmade Soap
$16.80
Leqin 495 Super Glue - 20g Transparent Fast-Drying Adhesive for Hard Plastics, Metal, Wood, PVC, and Rubber
$25.84
New Chinese Style Zen Calligraphy Felt Mat, Non-Slip Desk Pad for Traditional Writing Tools
$16.50
LB-8001 Inline Water Sampler - Mixed Water Sample Retention Instrument
$10,312.16
Mont Marte Children's Paint Brush Set - Toddler Tempera and Watercolor Brushes, Beginner Fan Brushes, Graffiti Tools
$7.00
