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Home / Computer Hardware, Monitors & Peripherals / BMP180/280, BME280/388, AHT20 High-Precision Atmospheric Pressure Sensor Module, Altimeter

Attributes

Brand -
Category Electronic Components / Maker DIY / Computer Hardware, Monitors & Peripherals
Origin -
Interface Type I2C / SPI
Operating Voltage 3.3V - 5V DC
Pressure Range 300 to 1100 hPa
Temperature Accuracy ±1.0°C
Humidity Support Yes (BME/AHT Models Only)
Communication Protocol I2C (0x76 or 0x77)
PCB Dimensions 16mm x 12mm x 2mm
Mounting Hole Diameter 3mm
Compatibility Arduino, Raspberry Pi, ESP32
Package Weight 5g

5 reviews

A

Anonymous

Mar 30, 2026

Rating: 5/5

Accurate altitude reading

Using this for altitude hold on a quadcopter. Performance is stable.

A

Anonymous

Mar 30, 2026

Rating: 5/5

Works great with ESP32

Very easy to integrate into my home weather station project. Readings are consistent.

A

Anonymous

Feb 15, 2026

Rating: 4/5

Solid sensor module

Delivery was fast. The pin headers were not included but soldering was easy.

A

Anonymous

Feb 13, 2026

Rating: 5/5

Compact and reliable

Small footprint makes it easy to fit into custom enclosures. No issues so far.

A

Anonymous

Jan 25, 2026

Rating: 4/5

Good value for money

Sensor works well. Documentation could be better but there are many tutorials online.

5 FAQ

Q: Is this waterproof?

A: No, the module is not waterproof. Please use a ventilated enclosure for outdoor use.

Q: What library should I use?

A: Adafruit BMP280 or BME280 libraries are recommended for Arduino IDE.

Q: Is this compatible with 5V Arduino Uno?

A: Yes, the module has a voltage regulator and works with 5V logic.

Q: Does the BMP280 measure humidity?

A: No, only the BME280 and AHT20 models support humidity measurement.

Q: Can I change the I2C address?

A: The address is hardware defined, usually 0x76 or 0x77 depending on the batch.

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