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Si7021 Humidity and Temperature Sensor Module
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The Si7021 Humidity and Temperature Sensor Module is a high-performance digital sensing solution designed for accurate environmental monitoring in a wide range of electronic and IoT applications. Built around the reliable Si7021 sensor, the module provides precise measurements of relative humidity and ambient temperature, making it suitable for weather stations, smart home systems, industrial monitoring equipment, HVAC control systems, greenhouse automation, and data logging projects. Its compact design and easy integration capabilities make it a popular choice among students, makers, engineers, and embedded system developers.
The module communicates using the I2C interface, allowing seamless integration with popular development platforms such as Arduino, Raspberry Pi, ESP32, ESP8266, STM32, and other microcontrollers. The digital output eliminates the need for complex analog signal conditioning, helping developers obtain accurate environmental data with minimal programming effort. The Si7021 sensor features factory calibration and delivers stable measurements with excellent long-term reliability, ensuring dependable performance across various operating conditions. Its low power consumption also makes it suitable for battery-powered and portable applications.
Designed for modern sensing applications, the Si7021 Humidity and Temperature Sensor Module offers a combination of accuracy, efficiency, and ease of use. Whether used for environmental monitoring, home automation, agricultural systems, climate control, or educational projects, the module provides real-time humidity and temperature data that can help improve system performance and decision-making. Its small footprint, reliable communication interface, and high measurement accuracy make it an essential component for developers building smart sensing and monitoring solutions.
| Specification | Details |
|---|---|
| Product Name | Si7021 Humidity and Temperature Sensor Module |
| Sensor IC | Si7021 |
| Measured Parameters | Relative Humidity and Temperature |
| Humidity Range | 0% RH to 100% RH |
| Humidity Accuracy | ±3% RH (Typical) |
| Temperature Range | -40°C to +125°C |
| Temperature Accuracy | ±0.4°C (Typical) |
| Communication Interface | I2C |
| Operating Voltage | 3.3V to 5V DC |
| Mounting Type | PCB Module |
| Applications | Weather Stations, IoT, HVAC, Smart Homes, Greenhouse Monitoring, Data Logging |
| Quantity | 1 Piece |