Fermion: BMP581 High-Precision Barometric Pressure Sensor (Bosch Flagship | ±0.3hPa | 3.3V)
The Fermion: BMP581 is a compact digital barometric pressure and temperature sensor module based on the Bosch BMP581 chip. It delivers an absolute accuracy of ±0.3 hPa and features ultra-low noise (< 0.1 Pa) and power consumption (2μA sleep current).
Pinout
- 3V3Official table 4 row 1
Power Positive (Supply Input: 3.3V)
Type · power - GNDOfficial table 4 row 2
Power Negative (Ground)
Type · ground - SCL/SCKOfficial table 4 row 3
Multiplexed Pin: Clock Line (SCL) in I2C mode, Clock Line (SCK) in SPI mode
Type · i2c - SDA/SDIOfficial table 4 row 4
Multiplexed Pin: Data Line (SDA) in I2C mode, Data Input Line (SDI) in SPI mode
Type · i2c - CSBOfficial table 4 row 5
Active exclusively in SPI mode, functioning as Chip Select Pin
Start wiring
I2C · SPI · Single data line · 3.3 – 5 V · Breakout
Confirm the data interface matches your host board.
Module pins: 3V3, SDO, GND, SCL/SCK, SDA/SDI, CSB. Schematik maps them to your board in the app.
Temp & humidity
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