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Item #:
120638864
4pcs GY-213V-HTU21D Temperature and Humidity Sensor Detection Module I2C Replace SHT21 SI7021 HDC1080 Module
Item #:
120638864
MMK 47414
Price Details
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*All items will import from US
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Imported from USA store
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Order now and get it around Friday, July 10
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The HTU21D is a low-cost, easy to use, highly accurate, digital humidity and temperature sensor.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Enhanced Accuracy
The GY-213V-HTU21D module provides superior precision in temperature and humidity measurements, outperforming competitors like SHT21 and SI7021, ensuring reliable data for critical applications.
I2C Interface
This sensor uses the I2C interface for seamless integration with microcontrollers, simplifying connections and enabling straightforward data communication for hobbyists and professionals alike.
Cost-effective Solution
Offering four units in a single package, this sensor module delivers exceptional value, providing an affordable option for projects requiring multiple monitoring points without compromising on performance.
Product Details
| Item Weight | 0.1 lbs (50 grams) |
Who Should Buy?
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DIY Electronics Hobbyists
Ideal for individuals experimenting with temperature and humidity measurements in their electronics projects or Arduino setups.
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Home Automation Enthusiasts
Useful for integrating temperature and humidity monitoring into smart home systems for enhanced environmental control.
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Educational Institutions
Perfect for teaching students about sensors, data collection, and environmental monitoring in STEM programs.
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Professional Weather Stations
Not suitable for applications requiring high accuracy and robust design typical in professional meteorological equipment.
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Industrial Applications
May not meet the durability and precision standards needed for industrial environments where conditions vary significantly.
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Non-I2C Users
Incompatible for systems that do not support the I2C communication protocol, limiting integration possibilities.
Product Description
4pcs GY-213V-HTU21D Temperature and Humidity Sensor Detection Module I2C Replace SHT21 SI7021 HDC1080 Module
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the GY-213V-HTU21D Temperature and Humidity Sensor Detection Module?
Answer: The GY-213V-HTU21D is a digital sensor module designed to measure temperature and humidity using I2C communication. It is a reliable replacement for popular sensors such as the SHT21, SI7021, and HDC1080. With its compact design, it can easily be integrated into various electronic projects or systems, providing accurate readings for indoor climate monitoring, HVAC systems, or IoT applications. -
Question:
How does the GY-213V-HTU21D communicate with microcontrollers?
Answer: The GY-213V-HTU21D communicates through the I2C protocol, which allows multiple devices to share the same bus. To interface it with a microcontroller, such as an Arduino or Raspberry Pi, you'll need to connect the SDA and SCL pins to the corresponding pins on the microcontroller. This setup is ideal for applications requiring multiple sensors as it reduces wiring complexity and increases the number of devices that can be managed on a single communication line. -
Question:
What are the typical applications of the GY-213V-HTU21D module?
Answer: This sensor module is versatile and can be used in various applications, including home automation systems, climate control in greenhouses, weather stations, and industrial monitoring systems. Its ability to accurately measure environmental conditions makes it an excellent choice for projects requiring real-time data for automation or analytics, contributing to energy efficiency and improved comfort. -
Question:
What is the operating range of the GY-213V-HTU21D sensor for temperature and humidity?
Answer: The GY-213V-HTU21D sensor typically operates in a temperature range from -40°C to +125°C and measures relative humidity from 0% to 100%. This wide operating range makes it suitable for various environments, from cold storage facilities to humid greenhouses. The ability to accurately gauge extreme conditions ensures that your applications can maintain desired climate settings effectively. -
Question:
Can I use the GY-213V-HTU21D module with Arduino boards?
Answer: Yes, the GY-213V-HTU21D module is fully compatible with various Arduino boards, making it an excellent choice for hobbyists and professionals alike. You can easily find libraries that simplify the interfacing process, allowing you to quickly start reading temperature and humidity data. This capability is especially useful for prototyping projects or STEM educational purposes, where students can learn about sensor integration and data analysis. -
Question:
Is the GY-213V-HTU21D sensor suitable for outdoor use?
Answer: While the GY-213V-HTU21D sensor can technically operate outdoors due to its wide temperature and humidity range, it is essential to protect it from direct exposure to the elements. Encasing the module in a suitable housing will help extend its lifespan and ensure reliable performance in outdoor environments. This adaptability makes it ideal for DIY weather station projects or environmental monitoring systems that require outdoor data collection. -
Question:
What power supply voltage is required for the GY-213V-HTU21D module?
Answer: The GY-213V-HTU21D module operates on a power supply voltage range between 3.3V and 5V. This flexibility allows it to be used with a wide variety of microcontrollers and systems while ensuring consistent performance. When integrating this module into your project, be mindful of the voltage level to avoid damaging the sensor or affecting its readings. -
Question:
What programming languages can be used to interface with the GY-213V-HTU21D?
Answer: The GY-213V-HTU21D can be interfaced and programmed using various languages, including C/C++ (commonly used with Arduino), Python (for Raspberry Pi), and even JavaScript with certain microcontroller platforms. This versatility allows developers to choose the language they are most comfortable with, making it accessible for a range of projects from simple hobby applications to complex automated systems. -
Question:
How can I calibrate the GY-213V-HTU21D sensor?
Answer: Calibrating the GY-213V-HTU21D sensor requires comparing its readings against a known reference sensor. If discrepancies are found, you can adjust the output values in your code accordingly. Regular calibration is essential for ensuring accuracy, especially in critical applications such as medical or industrial monitoring. This practice will help maintain the sensor's reliability over time. -
Question:
Where can I buy the GY-213V-HTU21D Temperature and Humidity Sensor Detection Module in Myanmar?
Answer: You can purchase the GY-213V-HTU21D Temperature and Humidity Sensor Detection Module from Ubuy. Ubuy offers a reliable platform with a variety of electronics and components suitable for your projects. Their wide selection, combined with favorable customer service, makes it a preferred choice for acquiring components like the GY-213V-HTU21D module in Myanmar.
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“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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MMK 47414
Order now and get it around Friday, July 10
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
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Fastest cross-border delivery
Features & Benefits
- Highly accurate digital sensor for humidity and temperature.
- Ideal for environmental sensing and data logging.
- Requires only four pins for setup, simplifying installation.
- Supports I2C communication with built-in pull-up resistors.
- Low power consumption of just 2.7uW for energy efficiency.
- Compatible with Swiss SHT20 and SHT21 sensors.