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                ADXL345 is well suited for mobile device applications. It can tilt-sensing applications. Measuring the static acceleration of gravity can also measure the movement or shock lead dynamic plus Speed. It has a high resolution (4 mg / LSB), measuring approximately 0.25 tilting Angle changes. The accelerometer ADXL345 digital output, without the need for The analog-to-digital conversion, which can save the system cost and board space. In addition, ADXL345 is a small, thin, ultra-low-power 3-axis accelerometer, resolution(13), the measurement range of 16g. The digital output data for the 16-bit binary Complement format, via the SPI (3-wire or 4-wire) or I2C digital interface access. ADXL345 is well suited for mobile device applications. It can be in tilt-sensing applications To measure the static acceleration of gravity, can also measure the movement or shock lead dynamic State acceleration. Its high resolution (3.9mg/LSB), capable of measuring less than 1.0 The inclination angle change. The device offers a variety of special detection function. Activity and non-activity detection function through
By comparing any axis acceleration and a user-set threshold value to detect presence or absence of op The action occurred. Percussion single vibration detection function can detect any direction and dual vibration For. The freefall detection function can detect whether a device is falling. These The function can be independently mapped to two interrupt output pin. Is the applicant Please patented integrated memory management system with a 32 first-in, first-out
(FIFO) buffer that can be used to store data, so the host processor load
Minimize and reduce overall system power consumption. Low-power mode to support motion-based intelligent power management, which extremely low
Power consumption threshold sensing and motion acceleration measurement.


  • Using the chip: ADXL345
  • Power supply :3-5v
  • Means of communication: IIC / SPI communication protocol
  • Measuring range: 2g 16g
  • 51, AVR, Arduino microcontroller test code
  • A lot of cash, you need to be able to directly photographed, large price advantages!
  • 3-axis, 2g / 4g / 8g / 16g
  • Digital acceleration module

The ADXL345 is a small, thin, low-power 3-axis accelerometer, can high
TAT 16 g acceleration measurement of the high resolution (13 bits). Number of digital outputs
It is for the 16-bit two`s complement format
SPI (3-wire or 4-wire) or I2C digital interface.