BMP180 Barometric Pressure Sensor Module GY-68 I2C

Price range: $0.27 through $0.30

BMP180 Barometric Pressure Sensor Module with high accuracy atmospheric pressure and temperature measurement. Supports I2C communication for Arduino, ESP32, Raspberry Pi and DIY electronics projects.

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Description

BMP180 Barometric Pressure Sensor Module for Atmospheric Measurement

The BMP180 Barometric Pressure Sensor Module is a compact digital sensor board designed for accurate atmospheric pressure and temperature measurement.

Based on the Bosch BMP180 pressure sensor, this module provides reliable performance with low power consumption and easy I2C communication.

It is widely used in Arduino projects, altitude measurement devices, weather monitoring systems and IoT applications.


High Accuracy Atmospheric Pressure Sensor

The BMP180 Pressure Sensor measures atmospheric pressure from 300 hPa to 1100 hPa, making it suitable for altitude calculation and environmental monitoring.

With built-in temperature compensation technology, the sensor provides stable measurement performance under different operating conditions.


Product Features

  • Based on Bosch BMP180 digital pressure sensor
  • Atmospheric pressure measurement
  • Temperature compensated output
  • Low power consumption design
  • I2C digital communication interface
  • Compatible with Arduino, ESP32 and Raspberry Pi
  • Compact PCB module design
  • Easy connection and integration

Technical Specifications

ParameterSpecification
Module ModelGY-68 BMP180
Sensor ChipBosch BMP180
Sensor TypeDigital Barometric Pressure Sensor
Pressure Range300 – 1100 hPa
Equivalent Altitude RangeApprox. -500m to 9000m
Supply Voltage1.8V – 3.6V
InterfaceI2C
Current ConsumptionApprox. 5μA
ResolutionUp to 0.03 hPa
Temperature OutputSupported
PCB OptionsSingle Hole / Dual Hole
PCB Size12.5*9.9mm/15*13.7mm

Single Hole & Dual Hole Versions Available

This product includes two PCB mounting options:

Single Hole Version

Suitable for compact projects where limited installation space is required.

Applications:

  • Portable devices
  • Wearable electronics
  • Mini sensor projects

Dual Hole Version

Provides additional mounting flexibility for:

  • Fixed installation projects
  • Robotics
  • Educational platforms

I2C Communication Interface

The BMP180 Sensor Module communicates through the I2C interface, allowing simple connection with popular development boards.

Typical wiring:

BMP180Arduino
VCC3.3V
GNDGND
SDASDA
SCLSCL

Arduino BMP180 Applications

The BMP180 Module is commonly used for:

Weather Monitoring

Measure atmospheric pressure changes for environmental data collection.

Altitude Measurement

Calculate altitude variations based on pressure changes.

GPS Navigation Assistance

Provide additional altitude information for navigation systems.

IoT Environmental Monitoring

Integrate pressure data into smart monitoring devices.


Why Choose Our BMP180 Sensor Module?

Compared with traditional analog pressure sensors, the BMP180 Barometric Pressure Sensor Module provides:

  • Digital output
  • Easy programming
  • Low power operation
  • Compact size
  • Wide compatibility

It is an ideal choice for makers, students, engineers and IoT developers.


Applications

  • Arduino sensor projects
  • Raspberry Pi experiments
  • ESP32 IoT devices
  • Weather stations
  • Altitude meters
  • Drone projects
  • Robotics applications
  • Educational electronics

Learn More

Download Arduino BMP180 Library and Examples 

If you are building an environmental monitoring system, you may also need our BMP280 Barometric Pressure Sensor Module with improved accuracy, or our DHT22 Temperature and Humidity Sensor for complete environmental data collection.


FAQ

Q1: What is BMP180 Barometric Pressure Sensor Module used for?

The BMP180 Sensor Module is used to measure atmospheric pressure and temperature. It is commonly used for altitude measurement, weather monitoring and IoT applications.

Q2: Is BMP180 compatible with Arduino?

Yes. The BMP180 Module uses the I2C interface and can be easily connected with Arduino boards.

Q3: What is the difference between BMP180 and BMP280?

BMP280 is an upgraded version of BMP180 with lower power consumption and improved accuracy. BMP180 remains popular because of its affordability and wide Arduino compatibility.

Q4: Can BMP180 measure altitude?

Yes. Atmospheric pressure changes can be converted into altitude estimation values.

Q5: What is GY-68 BMP180?

GY-68 is a commonly used breakout board based on the Bosch BMP180 pressure sensor, designed for easy connection in DIY electronics projects.

Additional information

WeightN/A
BMP180

GY-68 BMP180 Dual Hole, GY-68 BMP180 Single Hole

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