ADXL345 IIC, SPI digital tilt sensor, acceleration module Sale

ADXL345 IIC, SPI digital tilt sensor, acceleration module

ADXL345 IIC, SPI digital tilt sensor, acceleration module

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ADXL345 IIC, SPI digital tilt sensor, acceleration module

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

The ADXL345 is well suited to measures the static acceleration of gravity in tilt-sensing applications, as well as dynamic acceleration resulting from motion or shock. Its high resolution (4 mg/LSB) enables measurement of inclination changes less than 1.0 degrees;.

Several special sensing functions are provided. Activity and inactivity sensing detect the presence or lack of motion and if the acceleration on any axis exceeds a user-set level. Tap sensing detects single and double taps. Free-fall sensing detects if the device is falling. These functions can be mapped to one of two interrupt output pins. An integrated, patent pending 32-level first in, first out (FIFO) buffer can be used to store data to minimize host processor intervention. Low power modes enable intelligent motion-based power management with threshold sensing and active acceleration measurement at extremely low power dissipation.

Based on the ADXL-345, this digital 3-axis accelerometer has excellent EMI protection. Its variable output makes it suitable for a wide range of applications:

  • HDD shock protection
  • Vibration sensor
  • Game controller input
  • Robotics
  • Smart vehicles
  • Anywhere you need to obtain motion-sensing & orientation information.

1, onboard the ADXL345 digital outputs (I2C/SPI), low-power, compact acceleration sensor;

2, support 5V/3.3V voltage input, onboard RT9161 power chip, voltage drop lower than 1117, faster load the appropriate speed, and is ideal for high-noise power supply environment;

3, common pin has drawn pin standard 100mil (2.54mm) convenient for dot matrix board;

4, PCB size: 28 (mm) x14 (mm)



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