Attributes

Brand	-
Category	Robotics / STEM Teaching Tools / Sensors
Origin	-
Sensor Model	BME280 / BMP180 / AHT20 Compatible
Interface Protocol	I2C and SPI
Operating Voltage	3.3V - 5V DC
Pressure Range	300 to 1100 hPa
Temperature Accuracy	±1.0°C
Humidity Range	0 to 100% RH (BME280 only)
Altitude Resolution	Approx. 1 meter
PCB Dimensions	14mm x 10mm x 2mm
Mounting Type	Through-hole with header pins
Application	Weather stations, GPS enhancement, Drones

6 reviews

Anonymous

Mar 31, 2026

Rating: 5/5

Reliable and compact

We bought ten of these for our classroom kits. They are robust enough to handle student handling and provide accurate data for science experiments regarding atmospheric changes.

Anonymous

Mar 24, 2026

Rating: 4/5

Solid performance

The BME280 variant includes humidity which is a nice bonus. Reading speed is fast enough for real-time logging. Only minor issue was the soldering quality on one pin, but easily fixed.

Anonymous

Mar 21, 2026

Rating: 5/5

Excellent for hiking gear

Integrated this into a portable altimeter device. Battery consumption is low, and the precision helps in tracking elevation gains during hikes. Very satisfied with the purchase.

Anonymous

Mar 12, 2026

Rating: 5/5

Great starter sensor

As someone new to electronics, I found the pinout clear and the online libraries for this chip excellent. It gave me data within minutes of connecting it to my Raspberry Pi.

Anonymous

Mar 07, 2026

Rating: 4/5

Good accuracy, easy to integrate

Used this for altitude hold on a custom drone build. It took a little calibration to get the sea-level pressure right, but once set, it holds altitude very well. Great value for the price.

Anonymous

Mar 05, 2026

Rating: 5/5

Perfect for my weather station project

This sensor module works flawlessly with my Arduino setup. The I2C communication is stable, and the pressure readings are consistent with local weather reports. Highly recommended for hobbyists.

5 FAQ

Q: Does this module work with 5V Arduino boards directly?

A: Yes, the module includes a voltage regulator and level shifting, making it safe to use with both 3.3V and 5V microcontrollers like the Arduino Uno.

Q: What is the difference between the BMP180 and BME280 versions?

A: The BMP180 measures temperature and pressure only. The BME280 adds humidity sensing capabilities while maintaining high precision for pressure and temperature.

Q: Can I use SPI instead of I2C with this board?

A: Absolutely. The board breaks out both I2C and SPI pins. You just need to connect the appropriate CS, SDO, and SDI pins for SPI communication as per the datasheet.

Q: Is there a library available for Python?

A: Yes, there are several open-source libraries available for Python, particularly for Raspberry Pi users, such as the Adafruit CircuitPython BME280 library.

Q: How do I calibrate the altitude reading?

A: You need to input the current local sea-level pressure (QNH) into your code formula. You can find this value from local weather stations or aviation reports to ensure accurate altitude calculation.

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