ADXL345 Digital Accelerometer 3 DOF I2C/SPI Module

The ADXL345 Digital Accelerometer 3 DOF I2C/SPI Module is a compact, low-power, and high-resolution 3-axis digital accelerometer designed for motion sensing, tilt detection, vibration monitoring, and orientation measurement. Based on the popular ADXL345 sensor, this module accurately measures acceleration along the X, Y, and Z axes, making it ideal for Arduino, Raspberry Pi, ESP32, STM32, and other microcontroller-based projects.

The module supports both I2C and SPI communication interfaces, providing flexible integration into a wide range of embedded systems. Its high-resolution 13-bit measurement capability allows precise detection of both static acceleration (such as gravity) and dynamic acceleration resulting from motion, vibration, or impact.

Designed for low power consumption, the ADXL345 is well suited for battery-powered applications including wearable devices, drones, robotics, gaming controllers, and IoT systems. It also features built-in functions such as free-fall detection, tap and double-tap detection, activity/inactivity sensing, and orientation detection, reducing the processing load on the host microcontroller.

With its compact PCB and standard pin headers, the ADXL345 module is easy to connect and use in prototyping, educational experiments, and professional embedded system development.

Features:

• 3-axis digital acceleration sensing

• Supports I2C and SPI communication

• High-resolution 13-bit measurements

• Low power consumption design

• Built-in free-fall and tap detection

• Activity and inactivity monitoring

• Compact module for easy integration

• Compatible with Arduino, ESP32, STM32, and Raspberry Pi

Specifications:

• Sensor IC: ADXL345

• Product Type: 3-axis digital accelerometer module

• Degrees of Freedom: 3 DOF (X, Y, Z axes)

• Communication Interface: I2C / SPI

• Resolution: 13-bit

• Measurement Range: ±2g, ±4g, ±8g, ±16g (selectable)

• Operating Voltage: 3V–5V (module dependent)

• Mounting Type: PCB module with pin headers

Applications:

• Motion and movement detection

• Tilt and orientation sensing

• Robotics and automation

• Drone flight stabilization

• Wearable electronics

• IoT monitoring systems

• Vibration analysis

• Educational and embedded system projects