Module HTU21D temperature sensor and humidity

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The HTU21D module is a temperature and humidity sensor very simple to use thanks to the I2C protocol and the connection reduced to only 4-wires. Compatible with MCU, Arduino and many development kits.

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Availability: In stock

Regular Price: €19.34

Special Price Excl. Tax: €11.67 Incl. Tax: €14.24

3 available in ready-to-dispatch, upper quantity available in 4/7 days

Product Description


The module HTU21D is a temperature sensor and humidity, very simple to use and implement in your projects and has a high accuracy of the measured data. The electrical connection is reduced to a minimum, only 4-wires thanks to the standard I2C. It is compatible and can be implemented with different MCU, Arduino and many development kits for applications such as refrigeration, air conditioning, electrical cabinets, control and management of greenhouses and meteorological measurements.


Technical specifications:

Supply Voltage: 3.6 V

Response Time: 5s

Reading temperature accuracy: ±0.3 °C

Reading humidity accuracy: 2%

Humidity readings range: 0-100%, 2% di precisione

Readings temperature range: -40 – +125 °C, accuratezza di 0.01 °C


Dimensions: 15 x 15 mm

Mounting holes diameter: 3mm

Gold plated contacts


Connection mode:

1. 3.3V

2. GND

3. SDA

4. SCL

Per more information download datasheets.

Additional Information

Additional Information

SKU 03A024 (ARD09247CN)
Output Type Digital
Input Voltage 3.5 V
Terminals Headers
Target Module
Min Input Voltage N/A
Max Input Voltage N/A


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