Adafruit HTU21D-F Temperature & Humidity Sensor Breakout Board [ADA1899]
Adafruit HTU21D-F Temperature & Humidity Sensor Breakout Board [ADA1899]
Adafruit HTU21D-F Temperature & Humidity Sensor Breakout Board [ADA1899]
Adafruit HTU21D-F Temperature & Humidity Sensor Breakout Board [ADA1899]
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Adafruit HTU21D-F Temperature & Humidity Sensor Breakout Board [ADA1899]
Adafruit HTU21D-F Temperature & Humidity Sensor Breakout Board [ADA1899]
Adafruit HTU21D-F Temperature & Humidity Sensor Breakout Board [ADA1899]
Adafruit HTU21D-F Temperature & Humidity Sensor Breakout Board [ADA1899]
The HTU21D-F Temperature + Humidity Sensor is the best way to prove the weatherman wrong!
Adafruit HTU21D-F Temperature & Humidity Sensor Breakout Board [ADA1899]
Numéro d'article: 36953259

Adafruit HTU21D-F Temperature & Humidity Sensor Breakout Board [ADA1899]

81% des répondants recommanderaient ceci à un ami

Numéro d'article: 36953259

€ 27

€ 32

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Ce qui se démarque

High Accuracy
Delivers precise temperature and humidity readings, ensuring reliable data collection for various applications.
Compact Design
Small form factor allows easy integration into projects without taking up excessive space, ideal for DIY enthusiasts and embedded systems.
I2C Interface
Utilizes a simple I2C interface, enabling straightforward communication with microcontrollers and easing the development process.

Détails du produit

Shop Adafruit HTU21D-F Temperature & Humidity Sensor Breakout Board [ADA1899] online at a best price in French Guiana. B00OKJFLWO
  • HTU21D-F Temperature + Humidity Sensor breakout board
  • I2C digital humidity sensor with ±2% accuracy
  • Operating range optimized from 5% to 95% RH
  • Temperature output accuracy of ±1°C from -30~90°C
  • Includes a PTFE filter, 3.3V regulator, and I2C level shifting circuitry
  • Fully assembled and tested PCB breakout with header for soldering
Maximum Supply Voltage3.3 volts_of_direct_current
Output TypeDigital
Specific Uses For Productenvironmental monitoring, indoor use, outdoor use, microcontroller integration, humidity measurement
Material TypePlastic
Style NameModern
Item Dimensions2.76 x 4.72 x 0.2 inches (7 x 12 x 0.5 cm)
Item Weight9.07 g
Brand NameAdafruit
Model100442
UPC701980281617 748347523164 717520032014
Number of Items1
Global Trade Identification Number00701980281617
ManufacturerAdafruit
Unit Count1 Count
Part Number100442
BrandAdafruit
Item dimensions L x W x H2.76 x 4.72 x 0.2 inches (7 x 12 x 0.5 cm)
MaterialPlastic
StyleModern

À qui est-ce destiné ?

Suitable For
  • DIY Project Enthusiasts

    Ideal for hobbyists who want to integrate temperature and humidity sensing into their home automation projects.

  • Environmental Monitors

    Suitable for those creating devices to monitor weather conditions in gardens, greenhouses, or outdoor environments.

  • STEM Education

    Great for educators and students learning about sensors, data collection, and environmental science through hands-on projects.

Not Suitable For
  • High Precision Needs

    Not ideal for users requiring highly accurate temperature and humidity measurements in professional applications.

DESCRIPTION DU PRODUIT

Vous avez une question ? Chattez avec nous

Questions et réponses des clients

  • question: What is the Adafruit HTU21D-F Temperature & Humidity Sensor Breakout Board?

    répondre: The Adafruit HTU21D-F is a high-accuracy, compact sensor that measures temperature and humidity. This breakout board makes it easy to integrate into your projects, featuring a simple I2C interface for communication and the ability to read both parameters simultaneously. Its high sensitivity and minimal power consumption make it ideal for portable devices and IoT applications like weather monitoring systems, home automation, or environmental data logging.
  • question: How accurate is the HTU21D-F sensor?

    répondre: The HTU21D-F sensor boasts an impressive accuracy of ±0.4°C for temperature measurements and ±2% RH for humidity readings. This level of precision makes it suitable for various applications, including scientific research, weather stations, and HVAC systems. Its reliability ensures that you can trust your data, whether for hobby projects or professional setups.
  • question: What are the main features of the HTU21D-F breakout board?

    répondre: This breakout board features a high-resolution 14-bit temperature sensor and a 12-bit humidity sensor, offering high-performance measurements. Additionally, it includes an easy-to-use I2C interface, a built-in EEPROM for calibration data, and operates within a wide voltage range. With its small footprint and simple design, it is perfect for DIY projects requiring environmental measurements.
  • question: How can I connect the HTU21D-F sensor to my microcontroller?

    répondre: Connecting the HTU21D-F to a microcontroller is straightforward, as it uses the I2C communication protocol. You simply need to connect the SDA and SCL pins of the sensor to the corresponding pins on your microcontroller, along with power and ground connections. Many libraries are available (e.g., for Arduino or Raspberry Pi) that simplify coding and allow for quick startup in your projects.
  • question: Can the HTU21D-F sensor be used in indoor and outdoor environments?

    répondre: Yes, the HTU21D-F sensor is suitable for both indoor and outdoor applications. Its wide operating range allows it to function effectively from -40°C to 125°C for temperature and 0% to 100% RH for humidity. This versatility makes it ideal for a range of projects such as home automation systems, weather stations, and climate control setups, adapting easily to the environmental conditions.
  • question: What kind of projects can I use the HTU21D-F in?

    répondre: The HTU21D-F sensor is perfect for a variety of projects, including DIY weather stations, greenhouse monitoring systems, and indoor climate control by integrating it with microcontrollers like Arduino or Raspberry Pi. It's also suitable for data logging applications, where you can record environmental data over time for analysis or research purposes.
  • question: Is the HTU21D-F sensor waterproof?

    répondre: No, the HTU21D-F sensor is not waterproof. It is designed for indoor applications and should be protected from water exposure. If used outdoors, ensure that it is housed in a suitable enclosure to prevent damage from moisture, while still allowing for accurate temperature and humidity readings.
  • question: What libraries are available for the HTU21D-F sensor?

    répondre: There are several libraries available for working with the HTU21D-F sensor, especially for popular platforms like Arduino and Raspberry Pi. For Arduino users, the Adafruit HTU21DF library provides an easy interface for reading temperature and humidity data. For Raspberry Pi, Python libraries like 'smbus2' allow straightforward access to the sensor's capabilities, making it easy to integrate into projects.
  • question: How do I calibrate the HTU21D-F sensor?

    répondre: The HTU21D-F sensor is factory calibrated; however, if you need to re-calibrate it, you can do so using known temperature and humidity values. Typically, this involves comparing the sensor output to a reference sensor and adjusting your software to correct for any discrepancies. Regular checks can help maintain accuracy over time, which is particularly crucial for precise applications.
  • question: Where can I buy Adafruit HTU21D-F Temperature & Humidity Sensor Breakout Board [ADA1899]?

    répondre: You can purchase the Adafruit HTU21D-F Temperature & Humidity Sensor Breakout Board [ADA1899] from Ubuy. They provide a reliable platform for purchasing this sensor with convenient shipping options to various locations, ensuring you receive your product quickly and efficiently for your projects.

Adafruit Humidity Meters Editorial Review

  • ubuy French Guiana
  • ubuy French Guiana
  • ubuy French Guiana
  • ubuy French Guiana

The Adafruit HTU21D-F Temperature & Humidity Sensor Breakout Board is well received by customers. One reviewer found that the board they received was not the current version shown in the pictures, but others were able to easily configure it on their Arduino and had it running within minutes. One customer used the board to monitor the temperature and humidity in their basement and found it to be accurate. Another used it in a home automation project with an altmega328 and was able to send data to the web every hour. Overall, customers found this to be the best temperature sensor they had ever used and praised Adafruit as a fantastic company to purchase from.

Avis et évaluations clients

17 évaluations des clients
  • 5 étoile
    57%
  • 4 étoile
    14%
  • 3 étoile
    12%
  • 2 étoile
    0%
  • 1 étoile
    17%

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Avantages

  • Accurate temperature and humidity readings
  • Easy to configure on Arduino
  • Fast updates
  • Good for home automation projects and monitoring
  • Adafruit is a fantastic company to purchase from

Les inconvénients

  • One reviewer received an old, header-only version instead of the current version shown in the pictures.

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10 September 2026 · via Trustpilot
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“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.”

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“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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€ 27

€ 32

Commandez maintenant et recevez votre commande aux alentours du Monday, Septembre 28

QTY:

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Caractéristiques et avantages

  • Accurate humidity measurement with ±2% accuracy.
  • Wide operating range from 5% to 95% RH.
  • Temperature measurement with ±1°C accuracy.
  • Includes a filtered design to keep the sensor clean.
  • Compatible with 3.3V-5V microcontrollers.
  • Easy assembly: just solder the header onto the PCB.

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