Best I2C Sensor Modules

Looking for the best I2C sensor modules?
These modules give you fast, steady readings and easy connections for a seamless project experience.

I2C sensor modules make projects feel smooth and simple. They give you clear data with almost no setup. These tiny tools help users build smart ideas with confidence, and they make every project feel more fun and more in control.

You get fast readings. You get steady results. You get easy connections.

List of Top 10 I2C Sensor Modules

Title	Best For	Price
2pcs AHT30 High Precision Digital Temperature and Humidity Sensor Measurement Module I2C IIC Communication AHT20 AHT21 AHT10 Upgraded Version for Arduino Humidity Temperature Sensor	This sensor is perfect for anyone who needs accurate temperature and humidity readings. It’s great for DIY projects, Arduino users, or hobbyists working on smart home or environmental monitoring setups.	View on Amazon (paid link)
ACEIRMC 6pcs GY-68 BMP180 Temperature Barometric Pressure Sensor Module for Arduino (6pcs)	This product is perfect for hobbyists, students, and professionals working with Arduino or similar microcontrollers. It’s ideal for projects that need accurate temperature, pressure, or altitude measurements, like weather stations, drones, or altitude trackers.	View on Amazon (paid link)
EC Buying 12Pcs AHT10 Digital Sensor Module Temperature and Humidity Sensor High Precision Digital Temperature and Humidity Sensor Measurement Module I2C Communication Replace DHT11 SHT20 AM2302	This AHT10 sensor module is perfect for anyone needing accurate temperature and humidity readings in tough conditions. It’s great for HVAC systems, dehumidifiers, and humidity control projects.	View on Amazon (paid link)
Gravity: I2C Electrochemical Oxygen (O2) Sensor Module \| 0-25% Vol Range \| Plug & Play Digital Gas Detector \| No Soldering \| 3.3V-5.5V for Arduino, ESP32, Raspberry Pi \| IoT & Air Quality Monitoring	This O2 sensor is for students. It is easy to use. It works for science projects. It helps makers build tools. Use it to check air. It is safe and fast. You can learn with it. It is simple to plug in.	View on Amazon (paid link)
GODIYMODULES 2 Pcs 16-bit I2C Interface VEML7700 Ambient Light Sensor Module for Arduino	This product is perfect for DIY enthusiasts and Arduino hobbyists who want to measure ambient light in their projects. It’s easy to use with its I2C interface and works with 3.3 or 5 Vdc power.	View on Amazon (paid link)
2PCS BME280 5V Sensor Module Atmospheric Pressure Temperature Humidity Sensors I2C SPI Breakout GY-BME280	This sensor module is perfect for students, hobbyists, and makers who want to measure air pressure, temperature, and humidity easily. It is simple to use and fits well with many projects.	View on Amazon (paid link)
BME280 Temperature Humidity Pressure Sensor Module, I2C/SPI, 3.3V/5V	The BME280 Temperature Humidity Pressure Sensor Module is perfect for students, makers, and hobbyists who want a simple, reliable sensor for their projects. It works great for smart home setups and environmental monitoring. This small, easy-to-use module helps you track temperature, humidity, and pressure with high accuracy. It’s a strong, affordable choice for anyone starting or building embedded sensing projects.	View on Amazon (paid link)
Teyleten Robot SCD41 Gas Sensor Module CO2 Carbon Dioxide Temperature and Humidity Gas Sensor Module I2C	This sensor is perfect for makers, students, and engineers who want quick and clear CO₂, temperature, and humidity data. It’s great for anyone who needs simple, low‑power, and high‑accuracy readings in small projects.	View on Amazon (paid link)
HiLetgo 2pcs INA219 I2C Bi-Directional DC Current Power Supply Sensor Breakout Module	This product is perfect for electronics hobbyists and DIY makers who need a precise and easy-to-use current sensor. It works great for those building or testing power supply systems with a simple 3 to 5V setup. Its small size and clear readings make it ideal for quick, accurate measurements in any project.	View on Amazon (paid link)
hiBCTR 4pcs AHT21 I2C IIC High Precision Digital Temperature and Humidity Sensor Module DC 2.0-5.5V DHT11 AHT10 Upgraded Version for Arduino	This tool is best for people who make things. It works well with Arduino to read the air.	View on Amazon (paid link)

Detailed Reviews

Discover the top 10 I2C Sensor Modules handpicked for accuracy, ease of use, and value. Whether you’re a hobbyist or a pro, this guide helps you find the perfect sensor for your project. Dive in to explore reliable, affordable, and high-performance options tailored to your needs.

1. 2pcs AHT30 High Precision Digital Temperature and Humidity Sensor Measurement Module I2C IIC Communication AHT20 AHT21 AHT10 Upgraded Version for Arduino Humidity Temperature Sensor

2pcs AHT30 High Precision Digital Temperature and Humidity Sensor Measurement Module I2C IIC Communication AHT20 AHT21 AHT10 Upgraded Version for Arduino Humidity Temperature Sensor

The AHT30 sensor is a high-precision tool for temperature and humidity measurements. It comes in a 2-piece pack, perfect for multiple projects. This upgraded version is a reliable choice for accurate data.

With I2C communication, it connects easily to Arduino and other devices. The 4P test line ensures a quick setup, making it user-friendly.

Its wide measurement range and low power consumption make it versatile. The AHT30 is a great upgrade for any temperature and humidity sensing needs.

Pros	Cons
High precision for clear readings. Fast I2C link for easy use. Wide voltage support, simple setup. Low power for long use. Two sensors for better value.	Limited voltage range, may not suit all projects. No built-in storage for data logging. Basic 4P test line, lacks advanced connectivity options.

Perfect For:

This sensor is perfect for anyone who needs accurate temperature and humidity readings. It’s great for DIY projects, Arduino users, or hobbyists working on smart home or environmental monitoring setups.

Ready to Purchase?

View Price on Amazon (paid link)

2. ACEIRMC 6pcs GY-68 BMP180 Temperature Barometric Pressure Sensor Module for Arduino (6pcs)

The ACEIRMC 6pcs GY-68 BMP180 is a high-precision sensor module for Arduino projects. It measures temperature, pressure, and altitude with excellent accuracy.

It’s small, uses very little power, and works well in mobile devices. Connects easily via I2C, with a pressure range of 300 ~ 1100hPa. Lead-free and RoHS compliant.

Pros	Cons
High-precision temperature and pressure readings. Tiny size fits many Arduino projects. Very low power use saves battery. Easy I2C link with many microcontrollers. Wide pressure range for altitude checks.	Limited pressure range may restrict some uses Needs basic Arduino skills for setup No built-in display for instant readings

Perfect For:

This product is perfect for hobbyists, students, and professionals working with Arduino or similar microcontrollers. It’s ideal for projects that need accurate temperature, pressure, or altitude measurements, like weather stations, drones, or altitude trackers.

Ready to Purchase?

View Price on Amazon (paid link)

3. EC Buying 12Pcs AHT10 Digital Sensor Module Temperature and Humidity Sensor High Precision Digital Temperature and Humidity Sensor Measurement Module I2C Communication Replace DHT11 SHT20 AM2302

EC Buying 12Pcs AHT10 Digital Sensor Module Temperature and Humidity Sensor High Precision Digital Temperature and Humidity Sensor Measurement Module I2C Communication Replace DHT11 SHT20 AM2302

EC Buying AHT10 Sensors give you fast, clear readings with steady performance. Each module delivers a precise digital signal through simple I2C communication.

They work well in tough places. They stay stable. They fit small spaces.

Pros	Cons
Compact design, easy to integrate into various devices. High precision for accurate temperature and humidity readings. Stable performance in harsh environments. I2C communication for seamless data transfer.	Needs I2C support; not for simple setups. Small size may be hard to handle. No extra parts for direct use.

Perfect For:

This AHT10 sensor module is perfect for anyone needing accurate temperature and humidity readings in tough conditions. It’s great for HVAC systems, dehumidifiers, and humidity control projects.

Ready to Purchase?

View Price on Amazon (paid link)

4. Gravity: I2C Electrochemical Oxygen (O2) Sensor Module | 0-25% Vol Range | Plug & Play Digital Gas Detector | No Soldering | 3.3V-5.5V for Arduino, ESP32, Raspberry Pi | IoT & Air Quality Monitoring

Gravity: I2C Electrochemical Oxygen (O2) Sensor Module | 0-25% Vol Range | Plug & Play Digital Gas Detector | No Soldering | 3.3V-5.5V for Arduino, ESP32, Raspberry Pi | IoT & Air Quality Monitoring

The Gravity I2C Oxygen Sensor Module is a plug-and-play solution for monitoring oxygen levels. It’s easy to use and works with Arduino, ESP32, and Raspberry Pi. Perfect for DIY projects and air quality checks.

No soldering needed. Wide voltage input (3.3V-5.5V). Quick calibration with sample code.

It’s highly accurate and stable, with a 2-year lifespan. Great for smart greenhouses, garages, and safety systems. Not for medical use.

Pros	Cons
Plug & Play design for easy setup, no soldering needed. Instant digital readings via I2C, saving time and effort. High precision with quick calibration, no extra gases required. Long lifespan and stable performance in harsh conditions. Versatile use for IoT and air quality monitoring projects.	Limited lifespan of just two years. Sensor degrades over time, even unused. Performance can vary in very humid conditions.

Perfect For:

This O2 sensor is for students. It is easy to use. It works for science projects. It helps makers build tools. Use it to check air. It is safe and fast. You can learn with it. It is simple to plug in.

Ready to Purchase?

View Price on Amazon (paid link)

5. GODIYMODULES 2 Pcs 16-bit I2C Interface VEML7700 Ambient Light Sensor Module for Arduino

This module measures ambient light with high precision. It uses a VEML7700 sensor for best results.

You need to solder the included connector. It works with 3.3V or 5V power. The I2C address is 0x10.

It measures from 0 to 120,000 lux. That range is 16-bit accurate. This works well with Arduino projects.

Pros	Cons
Reads light with high accuracy Wide range up to 120,000 lux Simple power use at 3.3 or 5 V Easy link with I2C Compact module for fast builds	Requires technical soldering for assembly. Limited documentation makes setup difficult. Fragile pins break easily if mishandled.

Perfect For:

This product is perfect for DIY enthusiasts and Arduino hobbyists who want to measure ambient light in their projects. It’s easy to use with its I2C interface and works with 3.3 or 5 Vdc power.

Ready to Purchase?

View Price on Amazon (paid link)

6. 2PCS BME280 5V Sensor Module Atmospheric Pressure Temperature Humidity Sensors I2C SPI Breakout GY-BME280

This sensor kit gives you clear and steady readings. You get two compact BME280 modules that track temperature, humidity, and pressure with high accuracy.

It works with I2C or SPI. It uses low power. It fits many projects with ease.

Pros	Cons
Accurate temperature, humidity, and pressure readings with BME280. Works with I2C and SPI for easy integration. Low power use, long-lasting performance, eco-friendly. Compact, portable, and reliable in tough conditions. Versatile use for weather, indoor, and industrial needs.	Needs extra parts to work well Not ideal for very hot or wet places Small size can make wiring hard

Perfect For:

This sensor module is perfect for students, hobbyists, and makers who want to measure air pressure, temperature, and humidity easily. It is simple to use and fits well with many projects.

Ready to Purchase?

View Price on Amazon (paid link)

7. BME280 Temperature Humidity Pressure Sensor Module, I2C/SPI, 3.3V/5V

The BME280 sensor module reads temperature, humidity, and air pressure. It is small and easy to use. It fits many sensor projects.

It works with I2C and SPI. It also supports 3.3V and 5V logic.

It gives clear data for monitoring and testing. It also includes helpful guides. It is a smart choice for fast setup.

Pros	Cons
Measures temperature, humidity, and pressure with high accuracy. Supports both I2C and SPI interfaces for flexible use. Works with 3.3V and 5V logic levels for easy connection. Covers a wide temperature and humidity range for many projects. Includes development resources and examples for quick start.	No built-in display for direct readings. Requires coding for setup and use. Small size may be hard to handle.

Perfect For:

The BME280 Temperature Humidity Pressure Sensor Module is perfect for students, makers, and hobbyists who want a simple, reliable sensor for their projects. It works great for smart home setups and environmental monitoring. This small, easy-to-use module helps you track temperature, humidity, and pressure with high accuracy. It’s a strong, affordable choice for anyone starting or building embedded sensing projects.

Ready to Purchase?

View Price on Amazon (paid link)

8. Teyleten Robot SCD41 Gas Sensor Module CO2 Carbon Dioxide Temperature and Humidity Gas Sensor Module I2C

The Teyleten Robot SCD41 Gas Sensor Module is a compact and efficient device. It measures CO2, temperature, and humidity with high accuracy.

It uses low power, works with I2C, and has a wide supply voltage range. Perfect for monitoring air quality in any space.

Pros	Cons
High accuracy for steady CO2 checks. Wide range from 400 to 5000 ppm. I2C interface makes setup easy. Low power use saves energy. Temp and humidity data in one module.	Not ideal for wide-range gas checks Needs extra parts for full setup Price can feel a bit high

Perfect For:

This sensor is perfect for makers, students, and engineers who want quick and clear CO₂, temperature, and humidity data. It’s great for anyone who needs simple, low‑power, and high‑accuracy readings in small projects.

Ready to Purchase?

View Price on Amazon (paid link)

9. HiLetgo 2pcs INA219 I2C Bi-Directional DC Current Power Supply Sensor Breakout Module

The HiLetgo INA219 Sensor is a compact and efficient tool. It measures DC current and power with precision. This 2-piece set is ideal for projects needing accurate data.

With a working voltage of 3~5V, it’s compatible with many devices. Its small size (25.522.3mm) makes iteasy tofit intotight spaces*.

The 1% accuracy ensures reliable readings. A maximum offset of 100 uV means minimal errors. This sensor is a great choice for hobbyists and professionals.

Pros	Cons
Track power and save energy with ease. Use a simple link to read live data. This small tool fits in any tight spot. It is quick and fun to set up. Get clear facts on your power flow now.	Limited voltage range (only 3V to 5V). Small size may be hard to handle for some users. No built-in protection against overcurrent or reverse polarity.

Perfect For:

This product is perfect for electronics hobbyists and DIY makers who need a precise and easy-to-use current sensor. It works great for those building or testing power supply systems with a simple 3 to 5V setup. Its small size and clear readings make it ideal for quick, accurate measurements in any project.

Ready to Purchase?

View Price on Amazon (paid link)

10. hiBCTR 4pcs AHT21 I2C IIC High Precision Digital Temperature and Humidity Sensor Module DC 2.0-5.5V DHT11 AHT10 Upgraded Version for Arduino

This hiBCTR sensor module is perfect for checking temperature and humidity. It gives you accurate and reliable readings every time.

The sensor is small and easy to use. It works with Arduino and Raspberry Pi. It sends data fast and clear.

You can use it indoors or outside. It covers a wide range of conditions. This makes it a smart choice for many projects.

Pros	Cons
High precision for accurate temperature and humidity readings. Wide range measures from -40°C to 85°C and 0-100% RH. Easy integration with I2C for Arduino and Raspberry Pi. Versatile use for indoor and outdoor projects.	Needs careful setup for best results Not ideal for fast data changes Wires can feel a bit tight in small builds

Perfect For:

This tool is best for people who make things. It works well with Arduino to read the air.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

I2C sensor modules make projects simple and fun. They give clear data with almost no setup. These tools help you build smart ideas with confidence.

When buying I2C sensor modules, think about these key factors:

Purpose: Know what you need to measure. Is it temperature, humidity, pressure, or gas? Pick a sensor that fits your project.
Accuracy: Look for high-precision sensors. They give reliable and steady results.
Compatibility: Check if the sensor works with your device, like Arduino, ESP32, or Raspberry Pi.
Power Usage: Choose sensors with low power consumption for longer battery life.
Ease of Use: Go for plug-and-play or no-solder options if you want a quick setup.
Range: Make sure the sensor’s measurement range fits your needs.
Size: Pick a compact sensor if space is tight.
Price: Compare prices to find the best value for your budget.