7Semi BMP581 Barometric Pressure & Altitude Sensor Breakout, 622Hz, Range: 30 to 125kPa
The 7Semi BMP581 breakout is a high-precision MEMS digital barometric pressure and altitude sensor, compatible with 3.3V microcontrollers like Arduino, Raspberry Pi, ESP32, and STM32 via I²C, I³C, or SPI interfaces. It delivers ultra-fine pressure resolution for applications requiring accurate environmental monitoring and altitude tracking.
Features
- High-precision absolute pressure sensing with ±30 Pa accuracy and up to 1/64 Pa resolution.
- Ultra-low power operation, from 1.5 µA in deep standby to 260 µA in normal mode, ideal for battery-powered IoT.
- Supports I²C, I³C, and SPI digital interfaces with configurable oversampling, filtering, and a 622 Hz output data rate.
- Wide operating range from -40°C to +85°C and a pressure span of 300 to 1250 hPa (30 to 125 kPa).
- Breakout board includes Qwiic connector and standard 0.1” header pins for solder-free or breadboard integration.
Out of stock
The BMP581 is a state-of-the-art MEMS piezoresistive pressure sensor offering exceptional stability and resolution. Its digital core provides calibrated pressure and temperature data, enabling precise altitude calculations with a relative accuracy of approximately ±0.5 meters. The sensor’s advanced signal conditioning and on-chip processing ensure reliable performance in dynamic environmental conditions.
Designed for seamless system integration, the breakout provides multiple communication protocol options and features like a built-in FIFO buffer for efficient data handling. Its wide supply voltage range from 1.71V to 3.6V makes it directly compatible with modern 3.3V logic systems without requiring level shifters, simplifying design for drones, wearable electronics, and industrial monitoring stations.
Additional Information
| Weight | 0.008 kg |
|---|---|
| Dimensions | 6 × 6 × 3 cm |













