SparkFun Pressure Sensor - BMP384 (Qwiic)

The SparkFun Qwiic Pressure Sensor features the BMP384 pressure sensor from Bosch Sensortec. The BMP384 excels at high-resolution measurements (up to 24-bit) and uses a gel-filled cavity to provide extra resistance to liquids (water and other chemicals). This makes it a great option for monitoring pressure near water or in humid environments though the sensor is not water-proof without an adequate integration concept.

The BMP384 provides excellent accuracy across a wide measurement range (300hPa to 1250hPa and -40 to +85°C) on a footprint that uses the Qwiic Standard. The sensor also features a configurable oversampling setting, a FIFO buffer for storing up to 73 measurements, as well as a low pass filter so users can customize the performance based on the application's requirements. The Qwiic Pressure Sensor communicates over I2C by default, utilizing SparkFun's handy Qwiic system so no soldering is required to connect it to the rest of your system. However, SparkFun have still have broken out 2.54mm-spaced pins in case you prefer to use a breadboard and also supports using the BMP384 over SPI.

SEN-19662-003

The BMP384 has three operating modes: Sleep Mode, Normal Mode and Forced Mode. While in Sleep Mode the sensor is idle and consumes ~2µA. While in Normal Mode, the sensor automatically cycles between measurement and standby periods and consumes ~700µA at peak current draw during measurements. Forced Mode allows direct control of measurements to wake the sensor from Sleep Mode, take a single-shot measurement, and return the device to Sleep Mode.

Product Video

Quick Spec

  • Supply Voltage Range: 1.65V - 3.6V
  • Current Draw:
    • 700µA - Peak while measuring pressure
    • 3.4 µA @ 1Hz - Pressure and temperature monitoring with Ultra Low Power oversampling settings
    • ~2µA - Sleep Mode
  • Data Transfer Speeds:
    • I2C - 3.4MHz
    • SPI - 10MHz
  • I2C Address: 0x77 (Default), 0x76 (Alternate)
  • Internal Temperature Sensor

Resources

Shipping List

  • 1 x SparkFun Pressure Sensor - BMP384 (Qwiic)


SparkFun Pressure Sensor - BMP384 (Qwiic)

  • Brand: Sparkfun
  • Product Code: SEN-19662
  • Weight: 0.006kg
  • Product Status : Active
  • Stock

    Warehouse Stock Status Location
    Centurion Limited Stock B85
    Stellenbosch Limited Stock C0186
    Bulk Location No Stock

    We ship free of charge between branches to complete your order.

  • R345.00 (Inc Tax: R396.75)


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Tags: sparkfun, sensor, bmp384, qwiic, environment, pressure, i2c