BME280 3.3V 5V Digital Sensor – Temp, Humidity & Barometric

BME280 Digital Temperature, Humidity & Barometric Pressure Sensor Module

The BME280 Sensor Module is a compact, high-accuracy digital sensor designed to measure temperature, relative humidity, and barometric pressure simultaneously. Available in both 3.3V and 5V versions, this versatile module is ideal for Arduino, Raspberry Pi, ESP8266, ESP32, and other microcontroller-based projects. Whether you're building a weather station, a smart home automation system, or an IoT environmental monitor, the BME280 delivers reliable, precise readings every time.

Key Features

• 3-in-1 Sensing: Measures temperature, humidity, and barometric pressure in a single compact module
• Dual Voltage Support: Available in GY-BME280-3.3V and GY-BME280-5V variants — compatible with a wide range of microcontrollers
• Dual Interface: Supports both I²C and SPI communication protocols for maximum flexibility
• High Accuracy: Temperature accuracy ±1°C, Humidity accuracy ±3%, Pressure resolution 0.18 Pa
• Low Power Consumption: Ideal for battery-powered and portable applications
• Compact SMD Design: Small form factor fits easily into tight project enclosures
• Wide Compatibility: Works seamlessly with Arduino, Raspberry Pi, ESP8266, ESP32, and more

Technical Specifications

• Sensor Chip: Bosch BME280
• Operating Voltage: 3.3V or 5V (depending on variant)
• Communication Interface: I²C / SPI
• Temperature Range: -40°C to +85°C
• Humidity Range: 0–100% RH
• Pressure Range: 300–1100 hPa
• Package Includes: 1 × BME280 SMD Sensor Module

What's in the Box?

• 1 × BME280 Sensor Module (GY-BME280-3.3V or GY-BME280-5V — your choice)

Perfect For

• DIY weather stations and environmental monitors
• Smart home and IoT automation projects
• Arduino and Raspberry Pi experiments
• Altitude and altitude-change detection applications
• Greenhouse and indoor climate monitoring

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Frequently Asked Questions

Q: What does the BME280 sensor module measure?

A: The BME280 sensor module simultaneously measures three environmental parameters: temperature, relative humidity, and barometric pressure. This makes it a powerful all-in-one solution for weather monitoring, IoT projects, and smart home systems.

Q: What is the difference between the GY-BME280-3.3V and GY-BME280-5V versions?

A: The primary difference is the operating voltage. The GY-BME280-3.3V version is designed for 3.3V microcontrollers such as the ESP8266 and ESP32, while the GY-BME280-5V version is compatible with 5V systems like the Arduino Uno. Both versions support I²C and SPI communication protocols.

Q: Is the BME280 module compatible with Arduino and Raspberry Pi?

A: Yes! The BME280 module is fully compatible with Arduino, Raspberry Pi, ESP8266, ESP32, and virtually any microcontroller platform that supports I²C or SPI communication. Libraries are freely available for all major platforms.

Q: What communication protocols does the BME280 module support?

A: The BME280 module supports both I²C and SPI interfaces, giving you flexibility to integrate it into almost any microcontroller project regardless of your preferred communication protocol.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.