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| Pressure & temperature sensor BMP180 breakout |
Ever wanted to build your own weather station using Arduino? Then the BMP180 breakout board with precision sensor from Bosch might interest you. The digital sensor on the board precisely measures the changes in barometric pressure and temperature. It uses the piezoresistive effect to gather the information. Since the pressure varies depending on height, the sensor can measure altitude too. Very low current consumption and voltage allow this type of sensor to be used in many modern devices.
The design is 5V ready with an onboard regulator for 3.3V. The breakout board’s standard current consumption is very low, only 5 µA. It uses an I2C interface, and the I2C address is 0x77. No soldering, nor need for distinguishing between SDA and SCL is required due to easyC. The sensor has integrated EEPROM memory with data for calibration. The pressure is measured in steps of 1hPa (=0.01hPa =0,01mbar), and 0.1°C for temperature.
- Dimensions: 22 mm x 22 mm
- Standard current consumption: 5 µA
- Standby current consumption: 0.1 µA
- Logic voltage level: 5V (on I2C header), 3V3 on easyC
- Operating voltage: 5V (onboard regulator for 3.3V)
- Pressure measurement span: 300 - 1100 hPa; ±0.02hPa deviation
- Altitude measurement span: 9000 m to -500 m above sea level
- Temperature measurement span: -40 to +85°C; ±2°C accuracy
- Communication: I2C (address: 0x77)
- Connectors: easyC x2
- Mounting holes: 2 (https://www.soldered.com/en/easyC)
- /src - source files for the library (.h & .cpp)
- /examples - examples for using the library
- other - keywords file highlights function words in your IDE, library.properties enables implementation with Arduino Library Manager.
You can find hardware design for this board in Pressure & temperature sensor BMP180 breakout hardware repository.
Access Arduino library documentation here.
- Tutorial for using the Pressure & temperature sensor BMP180 board
- Installing an Arduino library
The library is compatible with board & microcontroller families shown in green below:
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This library is possible thanks to original SparkFun BMP180_Breakout library. Thank you, SparkFun.
Soldered invests vast amounts of time into hardware & software for these products, which are all open-source. Please support future development by buying one of our products.
Check license details in the LICENSE file. Long story short, use these open-source files for any purpose you want to, as long as you apply the same open-source licence to it and disclose the original source. No warranty - all designs in this repository are distributed in the hope that they will be useful, but without any warranty. They are provided "AS IS", therefore without warranty of any kind, either expressed or implied. The entire quality and performance of what you do with the contents of this repository are your responsibility. In no event, Soldered (TAVU) will be liable for your damages, losses, including any general, special, incidental or consequential damage arising out of the use or inability to use the contents of this repository.
And thank you from your fellow makers at Soldered Electronics.