Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Model Number | DHT11 |
| Output Signal | Digital Single-Bus |
| Operating Voltage | 3.0V - 5.5V DC |
| Temperature Range | 0°C to 50°C |
| Humidity Range | 20% to 90% RH |
| Temperature Accuracy | ±2°C |
| Humidity Accuracy | ±5% RH |
| Sampling Rate | 1 Hz (once per second) |
| Pin Count | 4 Pins |
| Application | Arduino, Raspberry Pi, DIY Electronics |
Anonymous
Mar 18, 2026
Rating: 4/5
Great for plant monitoring
I use this to monitor humidity levels for my indoor plants. It responds quickly to changes when I mist the plants. Just remember it has a 2-second sampling delay between reads.
Anonymous
Mar 18, 2026
Rating: 3/5
Decent but limited range
Works well within its specified range. However, if you need to measure outside in winter or very dry conditions, you might hit the limits of this specific model. Consider the DHT22 for wider ranges.
Anonymous
Mar 17, 2026
Rating: 5/5
Perfect for beginner projects
This DHT11 sensor works flawlessly with my Arduino Uno. The library integration was smooth, and the readings are consistent enough for my home weather station project. Great value for the price.
Anonymous
Mar 16, 2026
Rating: 5/5
Reliable and cheap
Bought a pack of five for various IoT prototypes. All of them worked out of the box. The single-bus interface saves GPIO pins which is a huge plus when working with smaller microcontrollers.
Anonymous
Mar 13, 2026
Rating: 5/5
Essential for electronics class
Required this for my university embedded systems course. The documentation online is extensive, making debugging very easy. Highly recommend for students learning about sensors.
Anonymous
Mar 13, 2026
Rating: 4/5
Good basic sensor
Does exactly what it says on the tin. It's not high-precision industrial gear, but for monitoring room temperature and humidity in a terrarium, it is perfectly adequate. Easy to wire up.
Q: Can this sensor be used outdoors?
A: While it can function outdoors, the DHT11 is not waterproof or weatherproof. You must house it in a protective enclosure that allows air circulation but shields it from rain and direct sunlight to ensure accurate readings and longevity.
Q: How often can I read data from this sensor?
A: The DHT11 has a sampling rate of 1Hz, meaning you can request new data once every second. Reading faster than this may result in returning the last cached value rather than a new measurement.
Q: Is this sensor compatible with Raspberry Pi?
A: Yes, the DHT11 is fully compatible with Raspberry Pi models. You will need to connect the data pin to a GPIO pin and use a Python library like Adafruit_DHT or CircuitPython to read the values.
Q: Do I need an external resistor for this module?
A: If you are buying the module version (with the PCB board), it usually includes the necessary pull-up resistor onboard. If you are using the bare component, you will need to add a 10k ohm pull-up resistor between the data and VCC pins.
Q: What is the difference between DHT11 and DHT22?
A: The DHT22 offers higher accuracy and a wider operating range for both temperature and humidity compared to the DHT11. The DHT11 is more suitable for basic indoor applications, while DHT22 is better for precise or outdoor use.
![[Shenzhen Best Seller] Premium Wearable Negative Ion Air Purifier - Neck-Hanging Portable Electronic Mask](https://www.gosteppe.com/cache/small/product/268987/legacy-main-5f71c8070119587e6427efe9.webp)
[Shenzhen Best Seller] Premium Wearable Negative Ion Air Purifier - Neck-Hanging Portable Electronic Mask
$298.00
Teruisi Electric Fruit and Vegetable Slicer, Multifunctional Chopper for Cafeterias and Hotels, Cutter for Green Onions, Chili Peppers, Radishes, and Ginger
$3,798.00
Waterproof Phone Pouch for Diving, Swimming, Rafting, and Hot Springs, Sealed Underwater Storage Bag with Waist Strap
$12.90
Premium Thick Cardstock Lin Zexu Representative Small Regular Script Infinite Life Sutra Close-Up Copying Calligraphy Copybook Regular Script for Beginners
$39.80
Zunjue Ticket-style 100% Cotton Watercolor Paper 300g Cold Press for Artists with Deckled Edges
$10.20
Kids' 3D Printing Pen – 3D Stereoscopic Drawing Toy for Girls, Perfect Birthday Gift
$104.66
Mifaner Handmade Watercolor Sketchbook – Oil Painting Series Canvas Journal, Travel-Friendly Mini Notebook for Acrylic Markers
$16.90
(Sasha Exclusive) Fat Small Card
$1,399.00
Silicone Faucet Side Drain Mat, Foldable Splash-Proof Pad for Kitchen Sink and Bathroom Washbasin
$4.93
Breathable Portable Invisible Aligner Case with Lanyard – Durable Hygienic Storage for Orthodontic Retainers and Dentures
$18.10
Snail-Specific Slug & Snail Killer Scatter-Type Anti-Pest Granules for Vegetable Gardens Slugs Apple Snails Fruit & Vegetable Fields
$10.00
Industrial Scouring Pad for Woodworking, Paint Sanding, and Polishing - Ultra-Fine Hand-Tear Sheets
$135.70
Custom G80 Manganese Steel Lifting Chain - High-Strength Alloy Chain Rigging for Hoisting and Cranes
$655.00
High-Concentration Oxygen Generator for Aquaculture with High-Pressure Outlet, Ceramic Nano Disc, and Oxygen Dissolution Cone
$50.00
Paint Brush Rinser – Art Supply Cleaning Cup for Brushes, Palettes, and Pigment Washing
$21.80
Heidelberg Printing Press Paper Pressure Wheel Screen Printing Roller Felt Wheel Guanghua Beiren Paper Feed Wheel Laminating Machine Brush Wheel
$6.00
Baofeifan Bubble Squeeze Painting Kit for Kids - Foaming Textured Paper, Wood Pulp Cotton DIY 3D Art with Markers
$10.00
Westwood Portable Retainer Case for Elderly Dentures and Children's Orthodontic Correctors, Storage Box
$14.20
PELICAN 1510 Protective Safety Case with Trolley - Waterproof Travel Box for Outdoor Photography Gear
$1,360.00
![Haisen [Exclusive Purchase Link] Livestream Link for New Arrivals and Clearance - Incense Sticks, Coil Incense, Agarwood, Sandalwood, Powder, Burners](https://www.gosteppe.com/cache/small/product/268968/legacy-main-4bd453bbd9b19100c4fd925a.webp)
Haisen [Exclusive Purchase Link] Livestream Link for New Arrivals and Clearance - Incense Sticks, Coil Incense, Agarwood, Sandalwood, Powder, Burners
$13.80
Ultralight Silicone-Coated Waterproof Dry Bag for Outdoor River Trekking, Rafting, Swimming, Beach Use – Wet/Dry Separation Storage for Swimwear and Towels
$38.20
Food Warmer Cabinet, Room Temperature Commercial Constant-Temperature Display Case, Egg Tart Heating Cabinet, Small Countertop Sample Retention Cabinet, Chestnut, White
$239.00
Ultra-Narrow 8/9/10cm Bathroom and Kitchen Gap Storage Rack with Wheels
$15.90
Glow-in-the-Dark 3D Printing Pen for Kids, Low-Temperature Stereoscopic Graffiti Magic Pen, Drawing Toy, Birthday Gift for Girls
$21.80
Custom Insulated Steel Pipes from Factory - Heating Pipes for Residential Complexes, Spiral Insulated Pipes, Polyurethane Insulated Pipes
$45.40
New Pirelli Tires 305/40R20 112V & 275/45R20 110V XL N1 for Porsche Cayenne
$1,409.00
Over-Toilet Storage Rack Wall-Mounted No-Drill Bathroom Multi-Function Organizer for Toilet Essentials
$20.50
Kang Kati Gardenia Tea Scented Candle Gift Set – Long-Lasting Fragrance, Elegant Birthday Gift for Her
$35.10
Safety Self-Locking Lifting Hook with Adjustable Chain for Hoisting and Rigging
$140.00
Thickened Mobile Phone Waterproof Case, Waterproof Box, Sealed Container, Pressure-Resistant Box, EDC Drop-Proof Storage Box for Outdoor Travel
$12.00
![[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)
