Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Model Number | DHT22 / AM2302 |
| Interface | Single-Bus Digital |
| Temperature Range | -40°C to +80°C |
| Humidity Range | 0% to 100% RH |
| Temperature Accuracy | ±0.5°C |
| Humidity Accuracy | ±2% RH |
| Operating Voltage | 3.3V to 6V DC |
| Sampling Period | 2 Seconds |
| Pin Count | 4 Pins |
| Application | Arduino, Raspberry Pi, IoT Projects |
Anonymous
Mar 31, 2026
Rating: 5/5
Easy to use for beginners
I was worried about wiring this up, but the module version makes it very simple. Plenty of tutorials online. It connected immediately and gave reasonable room temperature readings.
Anonymous
Mar 29, 2026
Rating: 5/5
Reliable data logging
Been running this on a Raspberry Pi for three weeks straight without a single dropout. The humidity calibration seems spot on compared to my dedicated hygrometer.
Anonymous
Mar 14, 2026
Rating: 5/5
Better than expected
Upgraded from an analog sensor and the difference in precision is night and day. The digital signal prevents noise interference which was a huge issue in my previous setup.
Anonymous
Mar 05, 2026
Rating: 5/5
Perfect for my weather station
This DHT22 module works flawlessly with my Arduino Uno. The readings are consistent and much more stable than the cheaper DHT11 I used before. Setup was easy with the standard library.
Anonymous
Mar 02, 2026
Rating: 4/5
Solid choice for education
We bought ten of these for our student workshop. Most worked out of the box. One had a slightly loose pin, but we soldered it back on easily. Good build quality overall.
Anonymous
Mar 02, 2026
Rating: 4/5
Good accuracy, slow sampling
The sensor is accurate enough for monitoring my indoor plants. Just remember it only updates every 2 seconds, so don't expect real-time rapid changes. Great value for the price.
Q: Do you provide sample code for Raspberry Pi?
A: Yes, we have Python libraries available on our GitHub repository that support Raspberry Pi GPIO. Check the product page links for documentation.
Q: What is the maximum cable length recommended for the data pin?
A: For reliable communication, we recommend keeping the cable length under 20 meters. Longer distances may require signal buffering or shielding.
Q: Is this compatible with 5V logic levels?
A: Yes, the operating voltage range is 3.3V to 6V, making it fully compatible with both 3.3V and 5V microcontrollers like Arduino and ESP8266.
Q: Can I use this sensor outdoors in the rain?
A: No, this specific module is not waterproof. It should be housed in a ventilated but water-proof enclosure if used outdoors to protect the electronics.
Q: Does this module come with a pull-up resistor installed?
A: Yes, most DHT22 modules include a 10k ohm pull-up resistor between the data and VCC pins, so you can connect it directly to your microcontroller.
Low-Temperature Plasma Oil Fume Purifier Electrostatic Ion Module Equipment Rubber Plastic Smoke Treatment Device
$1,600.00
Chunfei Grocery Store - Yun'an GR02 Gravel Bike, Thru-Axle, Disc Brake, Lightweight Touring with Multiple Rack Mounts
$7,977.00
Cashmir Blending Knife Replacement Head Set, Sketch Neony Blending Heads, Sponge Blending Heads, Breathing Cotton for Art Students
$4.34
Natural Amethyst, Rose Quartz, Clear Quartz, and Lemon Quartz Double-Pointed Tumbled Beads for DIY Bracelets, Necklaces, and Earrings
$1.70
Accordion-Style Watercolor Sketchbook, 32k Foldable Blank Paper, 300g Cotton Pulp Fine Texture for Painting, A4 Stamp Collection Travel Journal, DIY Sticker Art Notebook
$9.70
Electric Watercolor Spray Pen Children Hand-painted Color Pa
$52.55
VFD 2.2kW 9.8A Single Phase 220V
$1,919.00
Printmaking Press Machine - Large Format Etching and Woodblock Printer for School Art Classes and Clubs
$583.11
Bread Rattle Superman Maraca Baby 0-1 Year Soothing Tool Newborn Safe to Chew Grip Training Hand Rattle
$8.80
Direct Supply 0.75kw Laboratory Frame Mixer - Suitable for Mixing Fluid Materials, Adhesives, and Lithium Battery Applications
$2,395.00
Yonghe Hair Transplant Follicle Detection and Scalp Health Assessment - Consultation and Photodynamic Therapy Experience
$0.10
Continental CSC5 Tires – Sizes 215/225/235/245/255 x 40/45/50/55 R17/18/19/20/21
$725.00
Commercial High-Speed Fruit and Vegetable Crusher and Puree Maker, Continuous Processing Equipment for Galangal, Fresh Ginger, Bell Peppers, and Tomatoes
$17,980.00
DIY Scented Candle Molds - 24 Popular Korean Acrylic PC Styles: Cylinder, Pointed Top, Flat Top, Square, Shell
$10.80
Custom Solid Wood Plaque and Couplet Carving - Wooden Shop Signage, Arched Door Headers, and Grand Opening Engravings
$174.00
New Direct-Sale 326 Instant Glue - High-Strength Structural Adhesive for Metal, Heat Resistant, Anti-Aging, Ideal for Car Rearview Mirrors
$26.54
Zhong Shaojing Lingfei Jing Small Regular Script Water Writing Cloth for Calligraphy Practice - Reusable Quick-Dry Mat
$22.53
New 968 Fast-Drying Super Glue - Strong Bond for Metal, Magnets, Rubber, and Aluminum Alloy
$18.20
German Imported Stone Removal Hook Car Tire Stone Cleaning Tool Vehicle Foldable Multi-Function Stone Remover
$11.34
![[10% Off for 2 Items] Double-Sided Wool Felt Mat for Calligraphy and Painting, Student Practice Sheet, Brush Writing Desk Pad, Four Treasures of the Study Set](https://www.gosteppe.com/cache/small/product/270298/legacy-main-71bd30ba8d3367be61265f91.webp)
[10% Off for 2 Items] Double-Sided Wool Felt Mat for Calligraphy and Painting, Student Practice Sheet, Brush Writing Desk Pad, Four Treasures of the Study Set
$6.63
In Stock Special Offer: QS18VP6LLPQ8 Sensor - Price Negotiable
$600.00
Broccoli Vegetable Washing Machine for Pre-made Dishes, Water Bath Cleaning Equipment with Bubble System for Herbs and Export-Grade Produce
$615.00
Hongkedou Oxford Fabric Bag-in-Bag Divider Insert, Stiff Makeup Organizer with Zipper, Waterproof Small Women's Pouch
$22.00
Pad Printing Machine Accessories: Positioning Clamps, T-Shaped Holders, and Locking Irons
$0.60
Japanese High-Concentration Oxalic Acid Toilet Cleaner, Powerful Urine Scale Remover and Stain Eliminator
$23.82
Biliansheng No-Shave Hair Transplant - Hairline and Crown Thinning Treatment, Hair Loss Detection Service
$86.00
Laorentou Paper Blending Stump for Sketching - Professional Art Supply for Highlighting and Pastel Work
$6.80
Fast-Drying Glue for ABS Plastic - Transparent, High-Strength, Odorless, Non-Whitening Instant Adhesive for ABS and PC Plastics
$58.96
Manufacturer Supply Oxygen Absorber Oxygen Generator Stable Performance Hydrogen-Rich Machine Hydrogen Generator
$5,058.00
POPMART CRYBABY Vacation Mode On - Vinyl Plush Keychain Blind Box
$106.99
![[Trial Pack] Xianlang Complete Cat Treat Sticks Meal Packs Main Course Cans Freeze-Dried Cat Food Sample Snacks Gift Set](https://www.gosteppe.com/cache/medium/product/208273/legacy-main-9ec245ebf781f65a434ba854.webp)
