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ADXL345 3-Axis Tilt Digital Gravity Acceleration Sensor


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ADXL345 Tripple Axis Accelerometer Board is a small, thin, low power, 3-axis accelerometer with high resolution (13-bit) measurement at up to ±16g. Digital output data is format as 16-bit twos complement and is accessible through either a SPI (3- or 4-wire) or I2C digital interface. calcuttaelectronics.com

The ADXL345 Tripple Axis Accelerometer Board is well suited for mobile device applications. It 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°.

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.

129.80 Price Including GST

Out of stock


ADXL345 3-Axis Tilt Digital Gravity Acceleration Sensor

Specifications and Features :

Voltage – Supply : 3.3 V/ 5V.

Interface : I²C, SPI.

Sensing Range : ±2g, 4g, 8g, 16g.


X : 28.6 LSB/g.

Y : 31.2 LSB/g.

Z : 34.5 LSB/g.

Sensor Type : Accelerometer 3 Axis.

Dimensions : 28 mm x 14 mm.

Weight : 10 gm.

Ultra Low Power: 40µA in measurement mode, 0.1µA in standby@ 2.5V.

Free-Fall Detection.

Tap/Double Tap Detection.

Flexible interrupt modes mappable to either interrupt pin Measurement ranges selectable via serial command Bandwidth selectable via serial command

Wide temperature range (−40°C to +85°C).

10,000 g shock survival.

Support 5V/3.3V voltage input, on-board RT9161 power chip, lower pressure drop faster than the 1117, faster load speed of response, very suitable for high-noise power supply environment.

User-selectable resolution

Fixed 10-bit resolution.

Full resolution, where resolution increases with g range, up to 13-bit resolution at ±16 g (maintaining 4 mg/LSB scale factor in all g ranges).

Applications :

Pointing devices.


Medical instrumentation.


Industrial instrumentation.

Personal navigation devices.

Hard disk drive (HDD) protection.

Fitness equipment.

defense and aerospace.

For tutorial Please click on this:  Link

ADXL345 datasheet


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