GY-213V-HTU21D Temperature And Humidity Sensor Detection Module Replaces SHT21 SHT20 HTU21DItem NO.: GY-213V

GY-213V-HTU21D Temperature And Humidity Sensor

Description:

The HTU21D is a low-cost, easy to use, highly accurate, digital humidity and temperature sensor. This sensor is ideal for environmental sensing and data logging and perfect for a weather stations or humidor control systems. All you need is two lines for I2C communication and you’ll have relative humidity readings and very accurate temperature readings as a bonus!

There are only four pins that need to be hooked up in order to start using this sensor in a project. One for VCC, one for GND, and two data lines for I2C communication. This breakout board has built in 4.7k pull up resistors for I2C communications. If you’re hooking up multiple I2C devices on the same bus, you may want to disable these resistors

The new generation HTU21D temperature and humidity sensor has established new standards in terms of size and intelligence: it is embedded in a double row flat, pin less DFN package suitable for reflow soldering, with a bottom surface of 3x3mm and a height of 1.1mm. The sensor outputs a calibrated digital signal in standard I2C format. Diversified output methods, wide operating voltage range, and high temperature and humidity accuracy. The HTU21 series modules are designed specifically for low-power and small-sized applications, with the advantages of good quality, fast response speed, strong anti-interference ability, and high cost-effectiveness. They have a small volume (3x3mm) and extremely low power consumption

At the same time, HTU21D can be fully compatible with Swiss SHT20 and SHT21, and pin to pin can be implemented on hardware pins without modifying the circuit board. In terms of software programs, it is also the same as Switzerland's SHT20 and SHT21, which can achieve compatibility replacement without any modification. At the same time, HTU21D has a good price advantage and cost-effectiveness compared to Swiss SHT20 and SHT21

Important parameters:

Power supply voltage: 1.5V-3.6

Humidity measurement range: 0-RH

Temperature measurement range: -40 ℃ -105 ℃

Power consumption: 2.7uW

Communication method: I2C

Humidity accuracy range (10% RH to 95% RH): HTU21D ± 2% RH

Humidity hysteresis: ± 1% RH

Measurement time: 50ms

Annual drift: -0.5% RH/year

Response time: 5 seconds