SparkFun Micro Pressure Sensor - BMP581 (Qwiic)
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The SparkFun Qwiic BMP581 Pressure Sensor is a micro-sized, absolute pressure sensor breakout from Bosch Sensortec. The BMP581 boasts exceptional resolution and accuracy (down to 1/64Pa) and uses on-chip linearization and temperature compensation to provide true absolute data for pressure and temperature. This version of the BMP581 Pressure Sensor is in the smallest Qwiic form-factor yet, the Qwiic Micro. These breakouts measure just 0.75in. by 0.30in. to make it so you can install these sensors in projects with exceptionally tight spaces.
The BMP581 has a wide pressure-sensing range (30 to125 kPa) with excellent accuracy across the sensing range (±0.5hPa (max), as well as output data rates up to 622Hz (we have only regularly achieved 500Hz in testing, though) The sensor includes a configurable oversampling setting, FIFO buffer for storing up to 32 pressure samples, programmable low-pass filtering, and even 6-bytes of user-programmable non-volatile memory. All of this allows you to customize the performance based on your application\'s requirements. Even without low-pass filtering, the BMP581 has very low noise (< 0.1Pa RMS). it to the rest of your project. Sorry SPI users, there is no space on this Micro-sized breakout for any extra pins for that communication protocol. https://www.sparkfun.com/products/20170) features those options.
The sensor has five operating modes: Normal, Forced, Continuous, Standby, and Deep Standby. Deep Standby consumes the least amount of current at just 1.5µA (typical) and peak current consumption by the sensor is 260µA.
**Note:** Although this board is called \"SparkFun Micro Pressure Sensor,\" the name only refers to the size of the board and not its sensing precision capabilities. If you are looking for a \"*MicroPressure*\" sensor calibrated to sensing pressure ranges of 1-25psi from liquid media, check out the [SparkFun Qwiic MicroPressure Sensor](https://www.sparkfun.com/products/16476 ) instead!
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*The [SparkFun Qwiic Connect System](https://www.sparkfun.com/qwiic) is an ecosystem of I2C sensors, actuators, shields and cables that make prototyping faster and less prone to error. All Qwiic-enabled boards use a common 1mm pitch, 4-pin JST connector. This reduces the amount of required PCB space, and polarized connections mean you can't hook it up wrong.*
*Qwiic Micro is our smallest I2C-supported board form-factor yet! At only 0.75in. by 0.30in. (or 24.65mm by 7.62mm for metric friends), Qwiic Micro is perfect for projects and applications that have space or weight concerns. With just a single Qwiic connector, Micro boards work great alongside the [Qwiic Multiport](https://www.sparkfun.com/products/18012) or at the end of a Qwiic daisy chain.*
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