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The GY-BME280-5V is an all-in-one environmental sensor developed by Bosch. It is the successor to the BMP180 and BMP280, adding a humidity sensor to the mix. This module is famous for its ultra-low power consumption and high stability. Because this specific “GY” version includes a 3.3V regulator and level shifters, it is 100% plug-and-play with 5V Arduino Uno/Mega boards as well as 3.3V ESP32/Raspberry Pi systems
Key Features
3-in-1 Sensing: Real-time monitoring of Ambient Temperature, Relative Humidity, and Barometric Pressure.
Altimeter Function: By measuring air pressure changes, you can calculate altitude with ±1 meter accuracy.
Dual Interface: Supports both I2C (standard) and SPI (high speed) communication protocols.
Onboard Voltage Regulator: Safe to power from 3V to 5V DC.
Factory Calibrated: Every sensor comes pre-calibrated from Bosch for out-of-the-box accuracy.
Technical Specifications
| Feature | Specification |
| Supply Voltage | 3.0V to 5.5V DC |
| Temperature Range | -40°C to +85°C (±1.0°C accuracy) |
| Humidity Range | 0% to 100% RH (±3% accuracy) |
| Pressure Range | 300 to 1100 hPa (±1.0 hPa accuracy) |
| I2C Address | 0x76 (default) or 0x77 |
| Current Consumption | < 3.6 µA (at 1Hz monitoring) |
| Dimensions | 15.5mm x 11.5mm |
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