Description: 1. SI7021 Sensor Chip: Witty Fox SI7021 Humidity Temperature Sensor Breakout Board utilizes the SI7021 sensor chip, which offers high precision and accuracy for measuring both relative humidity (RH) and temperature in a wide range from -40°C to +85°C and 0% RH to 100% RH. 2. I²C Interface: This breakout board features an I²C interface, allowing easy communication between the sensor and microcontrollers or development boards like Arduino, Raspberry Pi, etc., without requiring external level shifters due to its built-in 3.3V/5V level shifter. 3. Versatile Applications: The Witty Fox SI7021 Humidity Temperature Sensor Breakout Board is suitable for various applications such as HVAC systems, greenhouses, weather stations, smart homes, and industrial automation projects where environmental conditions need to be monitored in real-time. 4. Calibration: The sensor comes pre-calibrated from the factory, ensuring precise readings. However, users can recalibrate the sensor for improved accura
| Specification | Details |
|---|---|
| Sensor Chip | SI7021 by Sensirion |
| Humidity Range | 0-100% RH (relative humidity) |
| Temperature Range | -10°C to 85°C (with ±2.5% accuracy) |
| Resolution | 14-bit for both Humidity and Temperature |
| Accuracy | ±3.0% RH and ±1.8°C |
| Supply Voltage | 2.4V to 3.6V (with built-in regulator) |
| Current Consumption | < 2mA (active) < 0.5μA (sleep mode) |
| Interface | I²C (compatible with Arduino and others) |
| Dimensions | 23.8mm x 15.1mm x 3.1mm (with header) |
| Weight | 2 grams |
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