10-Pack DHT11 Humidity Sensor Module
4.6Editor score
Value pack with cables
Wide voltage range support
Stable long-term readings
In this guide
Selecting the right humidity sensor is crucial for accurate environmental monitoring with Arduino. Good sensors offer stability, wide range, and easy integration with popular microcontroller platforms.
We evaluated ten leading modules based on accuracy, voltage compatibility, and connectivity options. This list covers digital and I2C interfaces suitable for various skill levels and project scopes.
Each pick highlights key strengths and trade-offs to simplify your decision. Prices and availability change frequently, so verify details on the product page before purchasing.
Top 3 Picks for Best Arduino Humidity Sensor
HiLetgo 5pcs DHT11 Temperature Humidity Sensor Module
4.5Editor score
Single-wire digital output
3.3V to 5V compatibility
Includes bypass capacitor
Teyleten Robot SHT31-D SHT31 Temperature Humidity Sensor Module 2.4V-5.5V I2C IIC for Arduino 3pcs
4.7Editor score
I2C interface output
Superior accuracy levels
Extended temperature range
Top 10 Best Arduino Humidity Sensor in 2026 Compared
The following table provides a side-by-side overview of all ten selected modules. It highlights core specifications and interface types to help you quickly identify the best fit for your specific Arduino project needs.
ProductsSpecificationsEditor scorePrice
Editor's Choice
HiLetgo 5pcs DHT11
Single-wire digital output
20-90% RH range
0 to 50 degrees C
3.3V to 5V
4.5Editor score
Editor's Choice
2pcs DHT11 Module
Digital signal output
20-95% RH range
0 to 50 degrees C
3.3V to 5V
4.3Editor score
Best Premium
Teyleten SHT31-D
I2C interface output
0 to 100% RH
-40 to 125 degrees C
2.4V to 5.5V
4.7Editor score
HiLetgo DHT22 AM2302
Single-bus digital signal
0 to 100% RH
-40 to 80 degrees C
3.3V to 5.5V
4.4Editor score
Teyleten DHT11 5pcs
Digital temperature output
20-95% RH range
0 to 50 degrees C
3.3V to 5V
4.4Editor score
JTAREA DHT22 Module
Single-bus digital signal
0 to 100% RH
-40 to 80 degrees C
Screw holes for mounting
4.6Editor score
Teyleten DHT22 3pcs
Serial data bidirectional
0 to 100% RH
-40 to 80 degrees C
3.3V to 5.5V
3.9Editor score
10-Pack DHT11
Single-wire interface
20-90% RH range
0 to 50 degrees C
3.3V to 5.5V
4.6Editor score
4Pcs DHT22 AM2302
Digital signal output
0 to 100% RH
-40 to 80 degrees C
3V to 5.5V
4.0Editor score
2pcs AHT30 Module
I2C master output
0 to 100% RH
-40 to 85 degrees C
2V to 5.5V
5.0Editor score
1. HiLetgo DHT11 – Best Overall Value
HiLetgo 5pcs DHT11 Temperature Humidity Sensor Module
Single-wire digital bus
20 to 90 percent RH
0 to 50 degrees Celsius
3.3 to 5 volts
This module is a favorite among hobbyists for its simplicity and reliability. The DHT11 sensor provides calibrated digital output that works seamlessly with Arduino IDE. It features a single-wire protocol that reduces programming effort significantly.
Pros
- Simple single-wire wiring
- Includes bypass capacitor on-board
- Fully interchangeable units
- Compatible with many microcontrollers
Cons
- Limited to 0 to 50 degrees C
- Humidity accuracy +-5 percent
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The onboard components like pull-up resistors and bypass capacitors make integration straightforward. You do not need external circuitry to get started. The 3.3V to 5V power range ensures compatibility with most boards.
Trade-offs include a narrower temperature range compared to higher-end models. The accuracy is sufficient for general monitoring but not for scientific precision. These limits are acceptable for most home automation tasks.
Buy this if you need a cost-effective solution for basic environmental monitoring. It is perfect for weather stations or simple humidity triggers. Five units provide plenty for bulk projects or classrooms.
Ease of Integration
The single-wire bus reduces pin usage and wiring complexity on your breadboard.
Stable Performance
Long term stability is rated under one percent RH per year for consistent data.
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2. Generic DHT11 Pack – Reliable Starter Kit
2pcs DHT11 Temperature Humidity Sensor Module
Digital signal output
20 to 95 percent RH
0 to 50 degrees Celsius
Resistive humidity element
This package offers a standard DHT11 sensor setup ideal for beginners. It combines a resistive humidity element with an NTC temperature device for reliable readings. The digital output simplifies signal processing for your microcontroller.
Pros
- Compatible with Raspberry Pi
- High reliability design
- Includes connecting wires
- Simple communication protocol
Cons
- Temperature range limited to 50 degrees
- Accuracy varies with humidity
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Designed with high reliability in mind, the module uses a dedicated digital microcontroller for processing. This ensures that long-term stability remains consistent over time. The single-wire scheme keeps your project wiring clean.
The temperature range stops at 50 degrees Celsius which limits outdoor summer use. Humidity error margins are typical for this class of sensor. These trade-offs are minor for indoor climate control projects.
Choose this pack if you are working with Raspberry Pi or Arduino Uno. It provides everything needed for quick prototyping. The included wires save time during initial setup.
Cross-Platform Support
Explicitly compatible with both Arduino and Raspberry Pi boards for flexibility.
Quick Setup
Wires included in the package reduce preparation time for your first test.
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3. Teyleten SHT31 – Best for Precision
Teyleten Robot SHT31-D SHT31 Temperature Humidity Sensor Module 2.4V-5.5V I2C IIC for Arduino 3pcs
I2C interface output
0 to 100 percent RH
-40 to 125 degrees Celsius
Wide voltage range support
The SHT31 stands out for its high precision and wide operational range. It offers I2C output which allows multiple devices on the same bus easily. Accuracy is significantly better than standard DHT sensors.
Pros
- Superior accuracy levels
- Extended temperature range
- Full humidity span
- Low voltage operation
Cons
- Requires I2C library
- Higher cost per unit
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Temperature measurement spans from minus forty to one hundred twenty five degrees Celsius. This makes it suitable for extreme environments where other sensors fail. Humidity covers the full zero to one hundred percent range.
Using I2C requires specific libraries and wiring compared to single-wire sensors. The price point is higher reflecting the better performance and features. This is acceptable for critical monitoring applications.
Invest in this sensor when accuracy matters most. It is ideal for scientific logging or industrial control. Three units allow testing across different locations simultaneously.
Wide Temperature Range
Operates reliably in freezing conditions and high heat environments.
Advanced Interface
I2C protocol supports scaling your system with multiple sensors easily.
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4. HiLetgo DHT22 – Best Upgraded Budget
HiLetgo DHT22 AM2302
Single-bus digital signal
0 to 100 percent RH
-40 to 80 degrees Celsius
Screw holes for mounting
This module uses the AM2302 chip which offers improved specs over the DHT11. Accuracy reaches plus or minus zero point five degrees for temperature. It covers a full humidity range from zero to one hundred percent.
Pros
- Better accuracy than DHT11
- Wider temperature range
- Full humidity coverage
- Fixing screw hole included
Cons
- Slightly slower response time
- Requires more processing power
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Mounting is simplified with fixing screw holes on the board. This helps secure the sensor in place without extra brackets. The bidirectional serial data ensures stable communication with your controller.
The speed is slower compared to the DHT11 but still sufficient for most tasks. It requires a bit more memory for the protocol. These are minor trade-offs for the gain in precision.
Select this if you need better accuracy without high cost. It works well for greenhouses or weather tracking. Two units allow comparing readings at different points.
Mounting Convenience
Screw holes on the board allow for permanent installation easily.
Higher Precision
Half degree accuracy makes it ideal for climate control projects.
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5. Teyleten DHT11 – Solid Multipack Option
Teyleten DHT11 5pcs
Digital temperature output
20 to 95 percent RH
0 to 50 degrees Celsius
Lightweight design
Teyleten offers a straightforward five-pack of DHT11 sensors. Each unit weighs only eight grams for easy handling. The standard layout fits breadboards without adapters or wires.
Pros
- Five units for projects
- Lightweight at eight grams
- Standard interface pins
- Good for prototyping
Cons
- Typical DHT11 limitations
- Shorter wire length
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Five sensors allow you to test multiple zones at once. This is great for classroom labs or home automation setups. The digital output reduces noise interference on the signal line.
Performance matches standard DHT11 units which means same limits. Accuracy and range are adequate for general monitoring. You get value in quantity with this package.
Buy this for group projects where multiple sensors are needed. It simplifies procurement for workshops. Keep spare units on hand for replacements.
Quantity Value
Five units provide spares and bulk coverage for larger areas.
Low Weight
Light weight ensures minimal strain on small prototyping boards.
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6. JTAREA DHT22 – Easy Mounting Solution
JTAREA DHT22 Module
Compact size design
0 to 100 percent RH
-40 to 80 degrees Celsius
Screw holes included
JTAREA provides DHT22 modules with focus on reliability. The modules feature quick response times for real-time monitoring. Cables included are long enough for most setups without extension.
Pros
- Quick response times
- Two meter connecting wires
- Stable performance
- Compact dimensions
Cons
- Higher accuracy variance in heat
- Single-bus protocol complexity
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Stable performance is highlighted with minimal fluctuation over time. The compact size fits easily inside project boxes. Screw holes make securing the module straightforward.
The protocol is simple to implement with existing libraries. Accuracy is better than DHT11 which helps in varied climates. These factors combine for a user-friendly experience.
Choose this for projects needing longer wire runs. The pre-attached cables save assembly time. Two units are enough for basic dual sensor systems.
Long Cables
Connecting wires allow placing sensors away from the main board.
Compact Build
Small footprint saves space in tight enclosures.
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7. Teyleten DHT22 – Cost Effective Upgrade
Teyleten DHT22 3pcs
Wide voltage support
0 to 100 percent RH
-40 to 80 degrees Celsius
Serial bidirectional data
Teyleten sells DHT22 modules in a three-unit pack. The high sensitive chip ensures good resolution in readings. It works with standard Arduino libraries and code templates.
Pros
- Three unit value pack
- High sensitive chip
- Standard digital output
- Wide voltage range
Cons
- Lower user rating
- Sensitivity to wiring errors
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Serial bidirectional data allows precise timing control. Voltage range covers most common development boards easily. This makes it versatile for different power supplies.
User ratings reflect occasional wiring sensitivity common with digital sensors. Careful connection ensures stable operation. The cost per unit remains very competitive.
Buy this for budget conscious users needing better specs. Three units allow testing and backups. It suits DIY home projects well.
Voltage Flexibility
Wide voltage range supports 3.3V and 5V systems.
Chip Quality
High sensitive chip provides better resolution than basic modules.
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8. 10-Pack DHT11 – Best Bulk Deal
10-Pack DHT11 Humidity Sensor Module
Cost-effective 10 pack
0 to 90 percent RH
0 to 50 degrees Celsius
Includes connection cables
This pack offers ten units for a great value. Each module includes a bypass capacitor for stability. It is ideal for schools or large-scale automation projects.
Pros
- Includes connecting cables
- Onboard bypass capacitor
- Reliable long-term performance
- Support documentation available
Cons
- Standard DHT11 range limits
- Lower accuracy than SHT
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Long-term performance is rated under one percent drift per year. Support documentation is available to help with setup. The wide voltage range ensures compatibility.
Accuracy is typical for DHT11 which is fine for general use. Ten sensors allow extensive coverage without extra cost. Cables included save time on wiring.
Select this for classrooms or extensive sensor arrays. You get plenty of spares for testing. It is the most affordable option for quantity.
Complete Kit
Includes cables and documentation for immediate project start.
Reliability
Calibrated units maintain stability over long periods.
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9. 4Pcs DHT22 – Quality Components
4Pcs DHT22 AM2302
Top electronics components
0 to 100 percent RH
-40 to 80 degrees Celsius
Strong anti-interference
This module emphasizes quality components for durability. Top-of-the-line electronics ensure consistent performance over time. It resists interference well in noisy environments.
Pros
- Long lasting performance
- Anti-interference capabilities
- Precise accuracy
- User-friendly design
Cons
- Wiring scheme single-wire
- Voltage adaptability limits
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Accuracy remains plus or minus two percent for humidity. The digital signal output is clear and stable. Compact size saves space in enclosures.
Single-bus wiring simplifies connections but needs timing care. Voltage range is standard for 3.3V to 5.5V. These factors support robust home appliance projects.
Buy this for reliable humidity regulation in appliances. It suits medical or dehumidifier setups. Four units provide good coverage.
Robust Build
Top electronics ensure longevity and resistance to wear.
Anti-Interference
Strong resistance to noise helps signal stability.
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10. AHT30 – Best High Precision Upgrade
2pcs AHT30 High Precision Digital Temperature and Humidity Sensor Measurement Module I2C IIC Communication AHT20 AHT21 AHT10 Upgraded Version for Arduino Humidity Temperature Sensor
I2C master output
0 to 100 percent RH
-40 to 85 degrees Celsius
Fast transmission speed
The AHT30 offers high precision for advanced users. It uses I2C for fast transmission speeds and scalability. Voltage adaptability is easy with low power draw.
Pros
- High precision measurements
- Simple circuit design
- Low power consumption
- Four pin test lines
Cons
- Requires I2C setup
- Slightly higher cost
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Accuracy is excellent for both temperature and humidity. The four pin test lines simplify connection. It supports simultaneous access to multiple I2C devices.
Setup requires specific libraries but pays off in stability. Speed is faster than single-wire protocols. This suits complex sensor networks well.
Choose this for projects needing high accuracy. It is ideal for data logging or smart home hubs. Two units allow redundancy.
Precision Metrics
Superior accuracy ensures reliable data for critical applications.
Scalability
I2C allows adding multiple sensors on same bus.
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Buying Guide – How to Choose the Best Arduino Humidity Sensor
Selecting the right sensor involves balancing accuracy cost and ease of use. This guide covers the key factors to consider before making your purchase.
Accuracy Requirements
Accuracy varies significantly between sensor models. Basic DHT sensors offer plus or minus five percent humidity accuracy which is fine for hobby projects. Higher end models like SHT or AHT series provide plus or minus two percent for critical tasks.
Consider how precise your readings need to be. For simple alerts basic accuracy suffices. For logging or scientific use choose better precision.
Temperature Range
Standard sensors often limit temperature to zero to fifty degrees Celsius. Industrial grades extend this to negative forty to eighty five or higher. Check your environment to ensure the sensor survives heat or cold.
Always verify operating limits match your use case. Extreme outdoor conditions need wider ranges to prevent failure.
Humidity Span
Most sensors cover zero to one hundred percent relative humidity. Some budget models exclude near zero or near saturation levels. Ensure full range coverage for all weather conditions.
If tracking condensation or dry air check limits. Full range avoids blind spots in monitoring.
Voltage Compatibility
Arduino boards operate at 3.3V or 5V. Choose a sensor that matches your logic level. Some modules have internal voltage regulators for wide compatibility.
Mismatched voltage can damage sensors or cause errors. Confirm power specs match your board.
Interface Type
Digital single-wire sensors are easiest to wire. I2C models save pins and support multiple devices on one bus. Protocol choice depends on your pin constraints.
Single-wire is simple but consumes one pin. I2C uses two but scales better.
Response Time
Response time affects how quickly readings update. Fast sensors react quickly to humidity changes. Slow ones are fine for gradual climate monitoring.
Choose faster response for real-time feedback needs. Speed matters for automation triggers.
Mounting Options
Some modules include screw holes for secure mounting. Others rely on breadboard clips or tape. Fixed installation requires robust mounting points.
Vibration or movement risks need secure mounting. Check physical design for your setup.
Packaging Quantity
Buying multi-packs reduces cost per unit. It is ideal for testing or bulk projects. Ensure you need the quantity to avoid waste.
Bulk buys offer savings for classrooms. Check total count before ordering.
How to Use and Care for Your Arduino Humidity Sensor
Connect the sensor according to the interface type. For digital sensors connect VCC to power and GND to ground. Attach the data pin to a digital input on your board.
Install the appropriate library for your sensor model. Use example code to test readings. Calibrate if possible to account for local conditions.
Keep the sensor away from direct heat or moisture sources. Place it in open space for accurate airflow. Clean dust off regularly to maintain performance.
Frequently Asked Questions
Which Arduino humidity sensor is most accurate?
The SHT31 and AHT30 sensors offer the highest accuracy among budget-friendly options. They typically provide plus or minus two percent humidity accuracy and better temperature precision. These models use I2C interfaces which help maintain stable readings.
Can I use a DHT11 for outdoor weather stations?
The DHT11 is limited to temperatures between zero and fifty degrees Celsius. It is suitable for mild climates but may fail in extreme heat or cold. For full outdoor range consider DHT22 or SHT series instead.
How many pins do I need for I2C sensors?
I2C sensors use two pins for data transfer along with VCC and GND. This allows multiple sensors on the same bus. It saves digital pins compared to single-wire options.
Why are my readings unstable?
Unstable readings often come from loose wiring or power noise. Ensure connections are secure and add a capacitor if needed. Place the sensor away from heating elements for steady data.
Do I need to calibrate humidity sensors?
Factory calibration is usually accurate enough for hobby use. If high precision is needed use a known reference to adjust readings. Many libraries include calibration offsets to help with this.
What is the power consumption of these sensors?
Most digital sensors use very low current during measurement. Idle power is minimal which makes them suitable for battery projects. Check the datasheet for peak draw values.
Can these sensors measure soil moisture?
Standard humidity sensors are designed for air. Measuring soil moisture requires capacitive or resistive soil sensors. Do not use air humidity sensors directly in soil as moisture can damage them.
Are these sensors waterproof?
The modules themselves are not waterproof but some probes are. If placing outdoors enclose them in a ventilated housing. Prevent water from touching the circuit board directly.
Final Thoughts on Choosing the Best Arduino Humidity Sensor
We reviewed ten top options ranging from budget DHT11 modules to precision SHT31 sensors. Each offers unique benefits depending on your accuracy needs and interface preference. The HiLetgo DHT11 and 10-Pack are great for basic projects.
Prioritize accuracy and temperature range based on your environment. I2C options like AHT30 scale better for complex systems. Balance cost with performance to find the right fit.
Prices and stock change often so verify details before buying. Use the links to check current availability. Start with one unit to test before committing to bulk packs.