Description:
When your project needs to understand changes in air pressure, temperature, or approximate altitude, a reliable barometric sensor can provide the measurements needed to make the system more responsive. The GY-68 BMP180 Digital Barometric Pressure Sensor Module is designed to bring these sensing capabilities to Arduino, ESP32, Raspberry Pi and other compatible microcontroller projects.
Based on the BMP180 sensor, the module measures atmospheric pressure and temperature, while pressure data can also be used for altitude estimation. Its I2C communication interface makes it convenient to connect with development boards and retrieve sensor readings through your program.
Imagine building a weather monitoring device that records pressure changes, a drone project that uses altitude information, or an IoT system that collects environmental data over time. The compact GY-68 module can be integrated into these applications as well as navigation experiments, robotics, data logging and educational electronics projects.
With its compact design and low-power operation, the BMP180 module is a practical choice for students, makers and developers who want to add barometric sensing to their electronics projects without using a complicated sensor interface.
Specifications:
| Specification | Details |
|---|---|
| Product Type | Digital Barometric Pressure Sensor Module |
| Sensor Model | BMP180 |
| Supply Voltage | 1.8V–3.6V |
| Power Consumption | 0.5 µA at 1 Hz |
| Interface Type | I2C |
| Maximum I2C Speed | 3.5 MHz |
| Pressure Range | 300 hPa–1100 hPa |
| Altitude Range | Approximately +9000 m to -500 m |
| Main Measurements | Atmospheric Pressure & Temperature |
| Module | GY-68 BMP180 |
| Applications | Weather Monitoring, Altitude Estimation, IoT, Robotics & Data Logging |
Features:
| Feature | Details |
|---|---|
| High-Precision Pressure Sensing | Provides digital atmospheric pressure measurements for environmental and altitude-related applications. |
| Pressure & Temperature Measurement | Measures atmospheric pressure and temperature, while pressure data can be used for altitude estimation. |
| BMP180 Sensor | Based on the BMP180 sensor and designed as a successor to the BMP085. |
| I2C Communication | Uses the I2C interface for convenient communication with compatible microcontrollers and development boards. |
| Low Power Consumption | Designed for energy-efficient applications, making it suitable for portable and battery-powered projects. |
| Wide Pressure Range | Supports a pressure range of 300 hPa to 1100 hPa for a variety of environmental sensing applications. |
| Altitude Estimation | Pressure readings can be processed to estimate changes in altitude in suitable applications. |
| Compact Module Design | Small and lightweight format makes it easy to integrate into compact electronics projects. |
| Wide Platform Compatibility | Suitable for Arduino, ESP32, ESP8266, Raspberry Pi, STM32 and other compatible platforms. |
| Multiple Applications | Useful for weather stations, drones, robotics, IoT devices, environmental monitoring and data logging. |
| Environmental Monitoring | Suitable for projects that need continuous atmospheric pressure and temperature data. |
Applications:
- Weather Monitoring Measure atmospheric pressure and temperature for DIY weather station projects.
- Altitude Measurement Use pressure readings to estimate altitude changes in suitable applications.
- Arduino Projects Add barometric sensing capabilities to Arduino-based electronics and monitoring systems.
- Raspberry Pi Projects Integrate pressure and temperature sensing into Raspberry Pi data-logging applications.
- Drone & UAV Projects Use barometric pressure data for altitude-related experiments and flight monitoring systems.
- Robotics Projects Add environmental and altitude sensing to autonomous or experimental robots.
- IoT Devices Collect and transmit atmospheric pressure and temperature data for connected monitoring systems.
- Environmental Monitoring Track changes in atmospheric conditions over time.
- Data Logging – Record pressure and temperature measurements for later analysis.
- Educational Projects Learn about I2C communication, barometric sensing, environmental measurement and altitude estimation.
Safety Precautions:
- Use the Correct Voltage Operate the BMP180 module within its specified 1.8V–3.6V supply voltage range to prevent damage to the sensor.
- Check I2C Wiring Verify the VCC, GND, SDA and SCL connections carefully before powering the module.
- Avoid Excessive Pressure or Heat Do not expose the sensor to pressure or temperatures outside its intended operating conditions, as this may affect readings or damage the device.
- Protect From Moisture & Contaminants Keep the module away from water, excessive humidity, dust and liquids that could interfere with the pressure sensing element.
- Handle Carefully During Installation Avoid excessive force, static discharge and direct contact with the sensor components when connecting or mounting the module.
Frequently Asked Questions ( FAQs )
1. What is the BMP180 Digital Barometric Pressure Sensor Module?
The BMP180 is a digital barometric sensor module designed to measure atmospheric pressure and temperature. Pressure readings can also be used by a microcontroller to estimate altitude, making it useful for weather, robotics, IoT and environmental monitoring projects.
2. Which interface does the BMP180 module use?
The module uses the I2C communication interface, allowing it to communicate with compatible development boards through SDA and SCL connections. This makes it convenient to integrate into Arduino, ESP32, ESP8266, Raspberry Pi and STM32 projects.
3. What is the operating voltage of the BMP180 sensor?
The specified supply voltage for the BMP180 sensor is 1.8V to 3.6V. The power supply should remain within this range to help ensure reliable operation and avoid damage to the sensor.
4. Can the BMP180 be used for altitude measurement?
Yes. The BMP180 measures atmospheric pressure, and changes in pressure can be processed to estimate altitude. It can therefore be used in suitable drone, robotics, navigation and environmental monitoring projects.
5. What are the common applications of the BMP180 module?
The module can be used in weather stations, altitude monitoring, drones, robotics, IoT devices, environmental sensing and data logging systems. It is also useful for educational projects involving I2C communication and barometric pressure measurement.
Package Included:
1 x BMP180 Digital Barometric Pressure Sensor Module



