Description: 1. BME280 is a compact, high-precision digital temperature, pressure, and humidity sensor module based on Bosch Sensortec's microelectromechanical systems (MEMS) technology. 2. Features: Measures temperature in the range of -40°C to +85°C with a typical accuracy of ±1.5°C; pressure from 300 hPa to 1100 hPa with an absolute accuracy of ±1 hPa; and humidity from 0%RH to 100%RH with a relative accuracy of ±3%. 3. Interfaces: Compatible with I²C (Inter-Integrated Circuit) bus, allowing for simple and cost-effective communication between the sensor module and microcontroller or other digital devices. 4. Unique Benefits: High precision for weather measurement applications, improved accuracy in HVAC systems to optimize energy consumption, and monitoring of environmental conditions for industrial automation projects. 5. Uses: Wide-ranging applications include weather stations, environmental monitoring systems, portable temperature/humidity loggers, HVAC control systems, indoor air quality
| Specification | Details |
|---|---|
| Operating Voltage | 3.0V to 5.6V (recommended: 3.3V or 5V) |
| Power Consumption | Typical: 1.1mA at Vdd=3.3V Ialog=10μA |
| Temperature Range | -40°C to +85°C |
| Humidity Range | 0% to 100% RH |
| Accuracy | ±1.5°C from 0°C to +20°C (±2.5°C up to +45°C) for temperature; ±3% relative humidity between 20-80% RH |
| Resolution | 18-bit ADC for temperature and pressure; 19-bit ADC for humidity |
| Pressure Range | 300mbar to 1100mbar |
| Sample Rate | Up to 10 Hz (default: 1 Hz) |
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