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The Si7021 GY-21 HTU21 I2C Humidity Sensor is an industrial-grade sensor designed for high-precision measurements of humidity and temperature. It operates in a wide temperature range from -40°C to +125°C, providing accurate readings with minimal power consumption. The sensor is well-suited for applications that require low-power operation, such as remote sensing, environmental monitoring, and IoT devices. With an I2C interface, it can easily be integrated with various microcontrollers and development boards for efficient data communication.
Q1: What is the output format of this sensor?
A1: This sensor uses the I2C interface to communicate with microcontrollers.
Q2: What is the voltage requirement for the sensor?
A2: The sensor operates on a voltage range of 3V to 5V, with a preferred operating voltage of 1.9V to 3.6V.
Q3: Is this sensor suitable for outdoor use?
A3: Yes, this sensor is designed for industrial applications and can operate in a wide range of environmental conditions.
Q4: What is the accuracy of the temperature and humidity readings?
A4: The humidity accuracy is ±3% RH, and the temperature accuracy is ±0.4°C.
Q5: How low is the power consumption of this sensor?
A5: The sensor has low power consumption with 150 μA active current and 60 nA standby current, making it suitable for battery-powered applications.
