Anonymous
Mar 28, 2026
Rating: 5/5
Accurate barometric pressure
Compared readings with a professional weather station and the difference was negligible. Highly recommend for home weather stations.
Description
Reviews
| Brand | - |
| Category | Robotics / STEM Teaching Tools / Sensors |
| Origin | - |
| Model Number | GY-68 BMP180 |
| Interface Protocol | I2C (Inter-Integrated Circuit) |
| Operating Voltage | 3.3V / 5V Compatible |
| Pressure Range | 300 to 1100 hPa |
| Temperature Range | -40°C to +85°C |
| Resolution | Up to 0.03 hPa / 0.1°C |
| Dimensions | 14mm x 12mm x 3mm |
| Weight | 2 grams |
| Compatibility | Arduino, Raspberry Pi, ESP8266 |
| Replacement For | BMP085 Sensor Module |
Anonymous
Mar 28, 2026
Rating: 5/5
Accurate barometric pressure
Compared readings with a professional weather station and the difference was negligible. Highly recommend for home weather stations.
Anonymous
Mar 22, 2026
Rating: 5/5
Low power consumption
Ideal for battery-powered projects. The sleep mode draws very little current, extending the life of my remote sensor node significantly.
Anonymous
Mar 22, 2026
Rating: 3/5
Good sensor, confusing documentation
The hardware works fine, but the included paper manual was very sparse. Had to look up datasheets online to understand the registers.
Anonymous
Mar 20, 2026
Rating: 5/5
Easy to use with Arduino
Connected it to my Uno board in minutes. The library support is excellent, and the temperature compensation works well indoors.
Anonymous
Mar 09, 2026
Rating: 4/5
Great value for altitude projects
Using this for a DIY drone altimeter. It provides consistent data. Only giving 4 stars because the soldering pads are a bit small for beginners.
Anonymous
Mar 04, 2026
Rating: 5/5
Perfect drop-in replacement
Worked flawlessly as a replacement for my old BMP085. The I2C address is the same, so no code changes were needed. Readings are stable and accurate.
Q: Does it come with header pins soldered?
A: No, the module is shipped with unsoldered header pins to allow for flexible mounting options. You will need to solder them yourself.
Q: Can this be used outdoors without extra protection?
A: The sensor chip itself is robust, but the PCB is not waterproof. We recommend placing it inside a breathable enclosure if used outdoors.
Q: Is this module compatible with 5V logic levels?
A: Yes, the GY-68 board includes a voltage regulator and level shifter, making it safe to use with both 3.3V and 5V microcontrollers.
Q: What is the accuracy of the altitude measurement?
A: While it measures pressure precisely, altitude accuracy depends on local weather conditions. Typically, it offers ±1 meter resolution under stable conditions.
Q: Do I need to install a specific library for this?
A: You can use the standard Adafruit BMP085/BMP180 libraries available in the Arduino IDE, as the communication protocol is identical.