Infineon DPS310 high-precision barometric pressure breakout with ±1 hPa absolute accuracy and ±0.002 hPa relative precision in high-precision mode, over I2C or SPI. Suited for drone altimetry and fine altitude-change detection.
One grouped connection is listed in the table but omitted from the graphic until individual pins are available.
Board power input. Adafruit states the onboard regulator accepts 3-5 VDC and converts for the 3 V sensor.
3.3 V regulator output, up to 100 mA per Adafruit Learn.
Common ground for power and logic.
I2C clock SCL, also SPI clock SCK. Level shifted for 3-5 V logic with pullup on I2C.
I2C data SDA, also SPI data input SDI / MOSI. Level shifted for 3-5 V logic with pullup on I2C.
SPI data output SDO / MISO. In I2C mode this is the address pin ADR, low changes address from 0x77 to 0x76.
SPI chip select input, pull low to start an SPI transaction.
STEMMA QT / Qwiic I2C connector for compatible boards and accessories.
| Pin | Type | Function | Voltage |
|---|---|---|---|
| Vin | Power | Board power input. Adafruit states the onboard regulator accepts 3-5 VDC and converts for the 3 V sensor. | 3-5VDC |
| 3Vo | Power | 3.3 V regulator output, up to 100 mA per Adafruit Learn. | 3.3V |
| GND | Ground | Common ground for power and logic. | |
| SCKSCL | I2C, SPI | I2C clock SCL, also SPI clock SCK. Level shifted for 3-5 V logic with pullup on I2C. | 3-5V logic |
| SDISDA | I2C, Signal | I2C data SDA, also SPI data input SDI / MOSI. Level shifted for 3-5 V logic with pullup on I2C. | 3-5V logic |
| SDOADR | Signal | SPI data output SDO / MISO. In I2C mode this is the address pin ADR, low changes address from 0x77 to 0x76. | 3-5V logic |
| CS | SPI | SPI chip select input, pull low to start an SPI transaction. | 3-5V logic |
| STEMMA QT | Unknown | STEMMA QT / Qwiic I2C connector for compatible boards and accessories. |
One grouped connection is omitted from the graphic until individual pins are available.
Board power input. Adafruit states the onboard regulator accepts 3-5 VDC and converts for the 3 V sensor.
3.3 V regulator output, up to 100 mA per Adafruit Learn.
Common ground for power and logic.
I2C clock SCL, also SPI clock SCK. Level shifted for 3-5 V logic with pullup on I2C.
I2C data SDA, also SPI data input SDI / MOSI. Level shifted for 3-5 V logic with pullup on I2C.
SPI data output SDO / MISO. In I2C mode this is the address pin ADR, low changes address from 0x77 to 0x76.
SPI chip select input, pull low to start an SPI transaction.
STEMMA QT / Qwiic I2C connector for compatible boards and accessories.
I2C · SPI · Single data line · 3.3 – 5 V · Breakout
Confirm the data interface matches your host board.
Module pins: Vin, 3Vo, GND, SCK / SCL, SDI / SDA, SDO / ADR, CS. Schematik maps them to your board in the app.
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