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ADXL345 3-Axis Digital Accelerometer Sensor Module

SKU: OU5THA2HZJ
The ADXL345 is a compact, low-power, high-resolution 3-axis digital accelerometer sensor capable of measuring acceleration in the X, Y, and Z axes. Developed by Analog Devices, this sensor provides precise motion sensing and tilt detection, making it ideal for robotics, wearable electronics, motion monitoring, vibration analysis, and embedded system applications. The ADXL345 supports both I2C and SPI communication interfaces, allowing...
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Specifications

Specifications:

Sensor IC: ADXL345
Sensor Type: 3-Axis Digital Accelerometer
Measurement Axes: X, Y, Z
Communication Interface: I2C and SPI
I2C Address: 0x53 (Default)
Operating Voltage (IC): 2.0V to 3.6V DC
Module Supply Voltage: 3V to 5V DC
Measurement Range: ±2g, ±4g, ±8g, ±16g
Resolution: 13-Bit
Output Data Rate: 0.1Hz to 3200Hz
Sensitivity at ±2g Range: 256 LSB/g
Power Consumption: Ultra-Low Power Design
Built-in Features: Motion Detection, Tap Detection, Free-Fall Detection, Activity/Inactivity Monitoring
FIFO Buffer: 32-Level Integrated FIFO
Operating Temperature Range: -40°C to +85°C
Module Dimensions: Approximately 20mm × 15mm
Mounting Type: PCB Module
Pin Configuration: VCC, GND, SDA, SCL, CS, SDO, INT1, INT2
Compatibility: Arduino, ESP32, ESP8266, STM32, Raspberry Pi Pico, Raspberry Pi and other I2C/SPI compatible microcontrollers

Additional Resources

ADXL345.PDF

FAQ

1. What is the ADXL345 sensor used for?

The ADXL345 is used for acceleration measurement, motion sensing, tilt detection, vibration monitoring, gesture recognition, and robotics applications.

2. How many axes can the ADXL345 measure?

The ADXL345 measures acceleration along three axes: X, Y, and Z.

3. What communication interfaces does the ADXL345 support?

The sensor supports both I2C and SPI communication, providing flexibility for different microcontroller platforms.

4. Can the ADXL345 detect free fall and motion events?

Yes, the ADXL345 includes built-in free-fall detection, tap detection, motion detection, and activity/inactivity monitoring features.

5. Is the ADXL345 compatible with Arduino and ESP32?

Yes, the ADXL345 can be easily interfaced with Arduino, ESP32, STM32, Raspberry Pi Pico, Raspberry Pi, and other I2C/SPI-compatible development boards.

View full product details

The ADXL345 is a compact, low-power, high-resolution 3-axis digital accelerometer sensor capable of measuring acceleration in the X, Y, and Z axes. Developed by Analog Devices, this sensor provides precise motion sensing and tilt detection, making it ideal for robotics, wearable electronics, motion monitoring, vibration analysis, and embedded system applications.

The ADXL345 supports both I2C and SPI communication interfaces, allowing seamless integration with Arduino, ESP32, STM32, Raspberry Pi Pico, Raspberry Pi, and other microcontroller platforms. With selectable measurement ranges up to ±16g and 13-bit resolution, the sensor can accurately detect static acceleration due to gravity as well as dynamic motion resulting from movement, vibration, or shock.

Its low power consumption and compact size make it a popular choice for battery-powered devices, IoT projects, drones, and portable electronics.

Key Features

  • 3-axis digital accelerometer
  • High-resolution 13-bit measurement
  • Measures acceleration along X, Y, and Z axes
  • Supports I2C and SPI communication
  • Selectable measurement ranges up to ±16g
  • Built-in motion and free-fall detection
  • Low power consumption
  • High sensitivity and accuracy
  • Fast response time
  • Compact and lightweight module
  • Integrated activity and inactivity sensing
  • Shock and vibration detection capability
  • Compatible with Arduino, ESP32, STM32, and Raspberry Pi
  • Ideal for motion sensing and robotics applications