GY-BME280 Barometric Pressure & Altitude Sensor Module 3.3V/5V
GY-BME280 Barometric Pressure & Altitude Sensor Module 3.3V/5V
GY-BME280 Precision Atmospheric Pressure, Temperature & Altitude Sensor Module
The GY-BME280 sensor module is a high-precision environmental sensing board built around the Bosch BME280 chip, capable of measuring atmospheric pressure, temperature, and humidity — all in one compact SMD package. Supporting both 3.3V and 5V logic levels, it integrates seamlessly with Arduino, Raspberry Pi, ESP8266, ESP32, and virtually any microcontroller platform via I²C or SPI interfaces.
Whether you're building a weather station, altitude tracker, drone flight controller, or IoT environmental monitor, this module delivers outstanding accuracy and ultra-low power consumption for your projects.
Made in Mainland China.
Key Features
- Dual Voltage Support: Compatible with 3.3V and 5V systems — no extra level shifting required
- Triple Sensing: Measures barometric pressure, ambient temperature, and relative humidity
- High Precision Altitude Calculation: Derive accurate altitude data from barometric pressure readings
- I²C & SPI Interface: Flexible communication options for easy integration with popular development boards
- Wide Operating Temperature Range: Functional from -40°C to +85°C — ideal for indoor and outdoor deployments
- Compact SMD Design: Small footprint fits easily into enclosures and project builds
- Ultra-Low Power Consumption: Ideal for battery-powered and portable applications
Technical Specifications
| Sensor Chip | Bosch BME280 |
| Supply Voltage | 1.71V to 3.6V DC (on-chip); module supports 3.3V & 5V via regulator |
| Interface | I²C / SPI |
| Measurements | Pressure, Temperature, Humidity, Altitude (derived) |
| Package | SMD |
| Operating Temperature | -40°C to +85°C |
| Quantity | 1 Module |
| Condition | New |
| Origin | Mainland China |
Compatible Platforms
- Arduino (Uno, Nano, Mega, etc.)
- Raspberry Pi (all models)
- ESP8266 / ESP32
- STM32 and other ARM-based microcontrollers
Ideal Use Cases
- DIY weather stations and environmental monitors
- Drone and UAV altitude sensing
- IoT smart home sensor nodes
- Portable altimeters and hiking gadgets
- Industrial atmospheric monitoring
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Frequently Asked Questions
Q: Is the GY-BME280 sensor module compatible with both 3.3V and 5V microcontrollers?
A: Yes! The GY-BME280 module features an on-board voltage regulator and level shifter, making it fully compatible with both 3.3V systems (ESP8266, ESP32, Raspberry Pi) and 5V systems (Arduino Uno, Mega) without requiring additional components.
Q: What communication interfaces does the BME280 sensor module support?
A: The BME280 sensor module supports both I²C and SPI communication protocols. I²C requires just two data lines (SDA and SCL), while SPI offers faster data transfer speeds — giving you flexibility depending on your project's requirements.
Q: Can I use this module to measure altitude outdoors?
A: Absolutely. The BME280 calculates altitude by measuring barometric pressure, making it well-suited for outdoor environmental projects, portable altimeters, and drone flight sensing. Its wide operating temperature range (-40°C to +85°C) ensures reliable performance in various weather conditions.
Q: How many units are included in this listing?
A: This listing includes 1 (one) GY-BME280 sensor module.