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Humidity Sensor Module SHT21 Breakout Board for Arduino UNO GY-21

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Sale Price: US $9.52
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45 days Money back Returns accepted if product not as described, buyer pays return shipping; or keep the product & agree refund with seller.
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Guarantees: On-time Delivery 60 days


Humidity Sensor – SHT21 Breakout Board


Measuring the humidity has an important role in the understanding of the enviroment around you. By knowing the amount of water in the air, you can make decisions about how to best create the atmosphere you desire, or just measure it for future reference.

Wine cellars and greenhouses are among applications that measuring humidity can be useful. By using a simple solution such as the SHT21 Breakout Board, your able to quick measure the relative humidity (%RH) and temperature of your enviroment quickly and easily.

The device is easy to communicate with, using I2C simple commands are sent to the chip, which then responds with the measurements. We’ve even added optional I2C pull ups that can be enabled using the PU (pull up) jumper on the board for your convenience and ease during breadboarding.


2.1V to 3.6V Supply Voltage

Low power consumption – 0.15uA typical

I2C interface

Resolution: 0.04%RH, 0.02°C

Accuracy: ±2%RH, ±3°C

Weight: 1.02g

Size: 21mm x 16mm

Document link: https://cloud.mail.ru/public/c1f3e32deda8%2FFZ0157%20GY-21_SHT21.rar

Package included:

1x SHT21

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N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
Seller Service On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).

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Price:  US $9.52 / piece