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Item #:
130633201
GY-271 GY-271M Electronic DC3-5V IIC Three axis Magnetic Sensor Module Field Compass Magnetometer Compatible HMC5883L Module for Arduino
90% of respondents would recommend this to a friend
Item #:
130633201
SCR 241
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Experience seamless integration with our compact 3.0x3.0x0.9mm surface-mount package, perfect for space-constrained applications.
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What Stands Out
Three-Axis Detection
Accurately measures magnetic fields in three dimensions, providing precise directional data for navigation and robotics applications.
IIC Compatibility
Easily integrates with Arduino and other microcontrollers via IIC interface, simplifying the connection process for users.
Compact Module Design
Lightweight and small footprint makes it ideal for portable projects, enhancing versatility for hobbyists and professionals alike.
Product Details
| Connector Type | Clamp |
| Number Of Contacts | 16 |
| Mounting Type | PCB Mount |
| Number Of Poles | 16 |
| Upper Temperature Rating | 105 °C |
| Number of Positions | 3 |
| Material Type | Plastic |
| Color | Blue |
| Specification Met | RoHS |
| Brand Name | JESSINIE |
| Model | GY-271 |
| Number of Items | 1 |
| Manufacturer | JESSINIE |
| Part Number | 65489 |
| Material | Plastic |
| Brand | JESSINIE |
| Item Weight | 0.05 lbs (20 grams) |
Who Should Buy?
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DIY Electronics Enthusiasts
Ideal for hobbyists who want to incorporate magnetic sensing capabilities into their Arduino projects.
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Robotics Developers
Useful for developers building robots that navigate using a compass for location and orientation.
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Students Learning
Great for students learning about sensors, magnetism, and programming with Arduino in educational settings.
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Commercial Products
Not suitable for high-reliability commercial products where precise calibration and stability are critical.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What features does the GY-271 GY-271M Magnetic Sensor Module offer?
Answer: The GY-271 GY-271M Magnetic Sensor Module features a three-axis magnetometer, capable of measuring magnetic field strength and direction in three dimensions. It's compatible with the HMC5883L chip, offering high accuracy and sensitivity. This makes it suitable for applications like compass navigation, orientation detection, and robotics. You can use this sensor module with Arduino or similar microcontrollers, making it a versatile choice for hobbyists and professionals alike. -
Question:
How do I connect the GY-271 GY-271M module to an Arduino?
Answer: To connect the GY-271 GY-271M module to an Arduino, use the IIC (I2C) interface with four main connections: VCC to the Arduino's 3.3V or 5V pin, GND to a ground pin, SCL to the corresponding clock pin, and SDA to the data pin. Ensure you have the appropriate libraries installed on the Arduino IDE to facilitate communication. This setup allows for easy integration into projects like magnetometers or navigation systems. -
Question:
What applications can the GY-271 GY-271M module be used for?
Answer: The GY-271 GY-271M module can be utilized in various applications such as robotics for navigation, drone orientation, and augmented reality systems. It's also great for DIY projects requiring magnetic field detection or direction-finding solutions. This versatility helps hobbyists and researchers leverage magnetic field data for innovative applications in electronics and automation. -
Question:
What is the operating voltage range for the GY-271 GY-271M module?
Answer: The GY-271 GY-271M module operates within a voltage range of DC 3V to 5V, making it compatible with a variety of microcontrollers and development boards, including the popular Arduino platforms. This flexibility allows users to integrate the module into numerous projects without the worry of voltage mismatches, ensuring reliable performance across different setups. -
Question:
Is the GY-271 GY-271M module susceptible to interference?
Answer: Yes, the GY-271 GY-271M module can be sensitive to magnetic interference from nearby electronic devices, metal objects, or even Earth’s magnetic field fluctuations. To minimize this, it’s best to calibrate the sensor in the intended environment and maintain distance from strong magnetic sources. Proper setup ensures accurate readings for navigation or orientation applications. -
Question:
Can I use multiple GY-271 GY-271M sensors together?
Answer: Yes, you can use multiple GY-271 GY-271M sensors in a single project. Each sensor can have a unique address when configured through the IIC interface. This setup is beneficial for complex projects involving sensor arrays for detailed spatial awareness or for systems requiring multiple orientation data points. Proper coding ensures you can read from each sensor effectively. -
Question:
What programming libraries are recommended for the GY-271 GY-271M module?
Answer: When working with the GY-271 GY-271M module, popular libraries such as 'Adafruit_Sensor' and 'Adafruit_HMC5883_U' facilitate interfacing with the sensor easily. These libraries provide functions that simplify reading magnetic data and help in calibrating the sensor. Using these resources allows developers to focus on building applications rather than getting bogged down by low-level coding. -
Question:
What are the dimensions of the GY-271 GY-271M module?
Answer: The GY-271 GY-271M module typically measures around 27mm x 20mm, making it compact enough for integration into small electronic projects or prototypes. This size is practical for both hobbyist creations and professional applications, allowing you to incorporate the magnetic sensor into various enclosures or setups without consuming much space. -
Question:
How can I calibrate the GY-271 GY-271M sensor?
Answer: Calibrating the GY-271 GY-271M sensor involves rotating the module in multiple orientations to gather comprehensive magnetic data. This process compensates for distortions caused by nearby objects or electronic interference. You can implement calibration routines in your code, which will help ensure accurate readings, especially useful in applications requiring precise directional information. -
Question:
Where can I buy the GY-271 GY-271M module in Seychelles?
Answer: You can purchase the GY-271 GY-271M Electronic DC3-5V IIC Three Axis Magnetic Sensor Module at Ubuy. Ubuy offers a diverse range of electronic components, including this magnetic sensor, making it a convenient option for those in Seychelles looking to enhance their projects with ease.
JESSINIE Terminal Blocks Editorial Review
**Editorial Review** The GY-271 GY-271M Electronic DC3-5V IIC Three-Axis Magnetic Sensor Module is a versatile and cost-effective tool for hobbyists and developers alike, particularly those working on Arduino projects. Users appreciate its compatibility with the widely-utilized HMC5883L module, allowing for seamless integration into existing projects. Many reviewers highlight that while the sensor works well for its price range—delivering angle accuracy between 1 and 2 degrees—the calibration process can be somewhat challenging. Some users mention needing a good grasp of magnetic declination to make sense of the readings. Calibrating using a traditional compass may also be an inconvenience for some, although the sensor indeed offers favorable performance compared to its price point. The module itself is compact, which helps with space Constraints in various applications. It's easy to interface with using the I2C protocol, making it accessible for less experienced users who are willing to learn. While the absence of pre-soldered headers can introduce a minor hurdle for those preferring a more straightforward setup, the package includes pin headers that can be soldered on, allowing flexibility for users who are comfortable with this task. Overall, customers find the GY-271M to be a reliable choice for digital compass applications and emphasize the value it brings to budget projects. **
Customer Reviews & Ratings
6 customers ratings
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5 Star
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Pros
- Affordable price point.
- Compatible with HMC5883L libraries and code.
- Compact size easy to integrate into various projects.
- Reasonable angle accuracy (1-2 degrees).
- Simple I2C interfacing.
Cons
- Calibration requires knowledge of local magnetic declination.
Platform Trust & Buyer Confidence
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Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
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“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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SCR 241
Order now and get it around Friday, October 09
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Features & Benefits
- Compact design fits easily in space-constrained applications.
- High precision with a 12-bit ADC delivering 1° to 2° heading accuracy.
- Energy-efficient operation at low voltage (2.16 to 3.6V) with minimal power draw (100 μA).
- Built-in self-test ensures optimal performance post-assembly.
- Robust construction with RoHS compliance for durability.
- Easy integration with a popular I2C digital interface.
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