Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Sensors
Origin	-
Operating Voltage	3.3V to 5V (with level shifter)
Communication Interface	I2C and SPI
Pressure Range	300 to 1100 hPa
Temperature Range	-40°C to +85°C
Accuracy (Pressure)	±1 hPa absolute
Accuracy (Temperature)	±1.0°C
Resolution	0.18 Pa / 0.01°C
Supply Current	2.7 µA at 1 Hz sampling
Dimensions	16mm x 12mm x 3mm
Chip Model	Bosch BMP280

6 reviews

Anonymous

Mar 25, 2026

Rating: 4/5

Solid module, watch the voltage

The module works great, but make sure you check your microcontroller's logic levels. While it claims 5V tolerance, I prefer using a 3.3V regulator to be safe. Data consistency is excellent.

Anonymous

Mar 24, 2026

Rating: 4/5

Good accuracy after calibration

Out of the box, the pressure reading was slightly off, but after inputting my local sea level pressure into the code, it matches my professional barometer perfectly. Temperature readings are also quite responsive.

Anonymous

Mar 19, 2026

Rating: 5/5

Perfect for altitude hold projects

This sensor works flawlessly with my Arduino flight controller. The I2C connection was easy to set up, and the altitude readings are stable enough for basic altitude hold functions. Great value for the price.

Anonymous

Mar 15, 2026

Rating: 5/5

Low power consumption is a plus

Using this in a battery-powered weather node. The sleep mode current draw is incredibly low, allowing the device to run for months on a small coin cell. Highly recommended for remote sensors.

Anonymous

Mar 07, 2026

Rating: 5/5

Reliable batch for our workshop

Purchased ten of these for our community workshop. All units tested functional immediately. They are robust and handle soldering by beginners without issues. Will buy again.

Anonymous

Mar 05, 2026

Rating: 5/5

Great for learning embedded systems

Bought this for a university project. The documentation online is extensive, and there are plenty of libraries available for ESP32 and Raspberry Pi. It arrived quickly and was well-packaged.

5 FAQ

Q: What is the difference between this and the BME280?

A: The BMP280 measures temperature and pressure only. The BME280 includes an additional humidity sensor. If you do not need humidity data, the BMP280 is a cost-effective choice.

Q: Can this sensor be used directly with a 5V Arduino Uno?

A: Yes, the GY-BMP280 module typically includes voltage regulators and level shifters, making it safe to connect directly to 5V logic boards like the Arduino Uno. However, always verify the specific board markings.

Q: Is the SPI interface enabled by default?

A: By default, the module is usually configured for I2C. To use SPI, you may need to pull the CS (Chip Select) pin low and potentially adjust the SDO pin configuration as per the datasheet.

Q: How do I calculate altitude from the pressure data?

A: You can use the standard barometric formula. Most libraries (like Adafruit_BMP280) have a built-in function called readAltitude(seaLevelPressure) that handles the calculation for you automatically.

Q: Does this come with headers pre-soldered?

A: No, the module usually ships without headers soldered to allow flexibility for breadboard use or direct wire soldering. You will need to solder the pin headers yourself.

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