GY-291 ADXL345 3 AXIS Accelerometer Module (Digital Output)

GY-291 ADXL345 3 AXIS Accelerometer Module (Digital Output)

 

Description :

The ADXL345 is a small, thin, ultralow power, 3-axis accelerometer with high resolution (13-bit) measurement at up to ±16 g. Digital output data is formatted as 16-bit twos complement and is acces-sible through either a SPI (3- or 4-wire) or I2C digital interface.

The ADXL345 is well suited for mobile device applications. 

Description :

The ADXL345 is a small, thin, ultralow power, 3-axis accelerometer with high resolution (13-bit) measurement at up to ±16 g. Digital output data is formatted as 16-bit twos complement and is acces-sible through either a SPI (3- or 4-wire) or I2C digital interface.

The ADXL345 is well suited for mobile device applications. It measures the static acceleration of gravity in tilt-sensing appli-cations, as well as dynamic acceleration resulting from motion or shock. Its high resolution (3.9 mg/LSB) enables measurement of inclination changes less than 1.0°.

Several special sensing functions are provided. Activity and inactivity sensing detect the presence or lack of motion by comparing the acceleration on any axis with user-set thresholds. Tap sensing detects single and double taps in any direction. Free-fall sensing detects if the device is falling. These functions can be mapped individually to either of two interrupt output pins. An integrated, patent pending memory management system with a 32-level first in, first out (FIFO) buffer can be used to store data to minimize host processor activity and lower overall system power consumption.

Low power modes enable intelligent motion-based power management with threshold sensing and active acceleration measurement at extremely low power dissipation.

Features :

1、Main Chipset: ADXL345

2、Communication: IIC/SPI Communication Protocol

3、Measuring Ranging: ±2g±16g

4、Digital Output: SPI/IIC

5、3-axis, ±2g/±4g/±8g/±16g

6、Compact Accelemotor/Inclinometer

7、Working Voltage: 3V to 5V

8、Working Temperature: -40° to 85°

9、Working Current: 30uA

10、Low Power Consumption

11、Compatible with 51、AVR、Arduino

Connect this module with Arduino :

Arduino GND -> ADXL345 GND
Arduino 3.3V -> ADXL345 VCC
Arduino A4 (SDA) -> ADXL345 SDA
Arduino A5 (SCL) -> ADXL345 SCL

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