This precision sensor from Bosch is the best low-cost sensing solution for measuring barometric pressure and temperature. Because pressure changes with altitude you can also use it as an altimeter! The sensor is soldered onto a PCB with a 3.3V regulator, I2C level shifter and…
Board power input. Adafruit product page says to connect VIN to the 5V voltage pin when using Arduino; board includes a 3.3V regulator and I2C level shifter.
Ground reference. Adafruit product page says to connect GND to ground.
I2C clock. Adafruit product page says to connect SCL to I2C Clock, Arduino Analog 5 in the example.
I2C data. Adafruit product page says to connect SDA to I2C Data, Arduino Analog 4 in the example.
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| VIN | power | Board power input. Adafruit product page says to connect VIN to the 5V voltage pin when using Arduino; board includes a 3.3V regulator and I2C level shifter. | 5V Arduino connection stated by Adafruit product page; board is described as 5V-compliant with onboard 3.3V regulator | |
| GND | ground | Ground reference. Adafruit product page says to connect GND to ground. | ||
| SCL | signal | I2C clock. Adafruit product page says to connect SCL to I2C Clock, Arduino Analog 5 in the example. | I2C logic is level-shifted on the board per Adafruit product page | |
| SDA | signal | I2C data. Adafruit product page says to connect SDA to I2C Data, Arduino Analog 4 in the example. | I2C logic is level-shifted on the board per Adafruit product page |
I2C · 5V Arduino connection stated by Adafruit product page; board is described as 5V-compliant with onboard 3.3V regulator · I2C logic is level-shifted on the board per Adafruit product page
Confirm the data interface matches your host board.
Module pins: VIN, GND, SCL, SDA. Schematik maps them to your board in the app.
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