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Home / Sensors / GY-68 BMP180 New Model Temperature and Barometric Pressure Sensor Module, Replaces BMP085, High Precision Low Power
Sensors

Attributes

Brand -
Category Robotics / STEM Teaching Tools / Sensors
Origin -
Model Number GY-68 BMP180
Communication Interface I2C (Inter-Integrated Circuit)
Operating Voltage 3.3V to 5V DC
Pressure Range 300 to 1100 hPa
Temperature Range -40°C to +85°C
Resolution Up to 0.01 hPa / 0.1°C
Power Consumption 5µA in standard mode
Compatibility Arduino, Raspberry Pi, ESP8266
Dimensions 14mm x 12mm x 3mm
Weight 2 grams

6 reviews

A

Anonymous

Mar 28, 2026

Rating: 5/5

Easy to use for beginners

As someone new to electronics, I found this module very easy to set up. Plenty of tutorials online, and the pinout is clearly labeled on the board.

A

Anonymous

Mar 18, 2026

Rating: 5/5

Compact and efficient

Love how small this module is. It fits perfectly into my portable handheld device project. Low power consumption is a huge plus for battery-operated projects.

A

Anonymous

Mar 18, 2026

Rating: 4/5

Good accuracy for the price

Used this for altitude hold on a small quadcopter. It provides consistent readings, though calibration took a few tries. Great value for money compared to more expensive modules.

A

Anonymous

Mar 05, 2026

Rating: 5/5

Perfect replacement for my old weather station

This sensor works flawlessly with my Arduino project. The I2C communication is stable, and the library support is excellent. It replaced my broken BMP085 without any code changes.

A

Anonymous

Mar 02, 2026

Rating: 5/5

Reliable data logging

I have been running this sensor outdoors in a protective case for two months. It handles temperature fluctuations well and logs barometric pressure accurately.

A

Anonymous

Mar 01, 2026

Rating: 4/5

Solid performance

The response time is quick enough for real-time applications. Just make sure you have pull-up resistors on your I2C lines if your microcontroller doesn't have them built-in.

5 FAQ

Q: How do I calibrate the sensor?

A: Calibration coefficients are stored in the sensor's EEPROM and are read automatically by most libraries. You generally do not need to manually calibrate it unless specific high-precision requirements exist.

Q: Can I use this underwater?

A: No, this module is not waterproof. It measures atmospheric pressure and temperature only. Submerging it in water will damage the electronics.

Q: What is the accuracy of the altitude measurement?

A: The sensor can detect pressure changes corresponding to approximately 1 meter of altitude change. For higher precision, averaging multiple readings is recommended.

Q: Is this compatible with 5V Arduino Uno boards?

A: Yes, the GY-68 BMP180 module includes a voltage regulator and level shifter, making it safe to use with both 3.3V and 5V microcontrollers like the Arduino Uno.

Q: Does this come with a library for Python?

A: While we do not provide the library directly, there are several open-source Python libraries available for Raspberry Pi that support the BMP180 sensor, such as Adafruit_CircuitPython_BMP180.

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