Description Boardoza ADXL345 3-Axis Accelerometer Sensor is a compact breakout board for dynamic acceleration measurement and static angle detection. Built around the ADXL345 digital accelerometer, this 3-axis accelerometer sensor measures motion on the X, Y, and Z axes and is suitable for motion detection, robotics, gaming interfaces, tilt sensing, and industrial instrumentation projects. The ADXL345 accelerometer sensor supports I2C communication and selectable measurement ranges of +/-2g, +/-4g, +/-8g, and +/-16g. With up to 13-bit high-resolution measurement, low power consumption, 3.3V or 5V input support, and a 20mm x 20mm board size, this Boardoza ADXL345 module is easy to integrate into embedded development, prototyping, and battery-powered sensing applications. Features 3-axis acceleration sensing: measures acceleration across X, Y, and Z axes for motion, shock, and tilt detection. High resolution: supports up to 13-bit resolution for detecting small inclination changes below 1.0 degree. Selectable range: configurable measurement ranges include +/-2g, +/-4g, +/-8g, and +/-16g. I2C interface: simple digital communication for microcontroller and embedded sensor projects. Low power design: suitable for battery-powered devices and compact motion sensing nodes. Wide input support: works with 3.3V or 5V input according to the official documentation. Compact breakout board: 20mm x 20mm board format for breadboard, prototype, and custom enclosure integration. Specifications Product Boardoza ADXL345 3-Axis Accelerometer Sensor Sensor ADXL345 digital accelerometer Function Dynamic acceleration measurement and static angle detection Axes X, Y, and Z Measurement Range +/-2g, +/-4g, +/-8g, +/-16g Resolution 10-bit default, 13-bit high-resolution mode Interface I2C Input Voltage 3.3V or 5V Power Input Type Molex 2-pin 2.50 header Main Header Pins GND, SDA/SDI/SDIO, SCL/SCLK, +5V Auxiliary Pins CS, SDO/ADDR, INT1, INT2 Operating Temperature -40°C to +85°C Board Dimensions 20mm x 20mm Shipping Weight 20g Dimensions Applications Motion detection and activity sensing with a compact 3-axis accelerometer sensor. Robotics projects that need tilt, impact, vibration, or orientation feedback. Gaming controllers, gesture devices, and interactive input prototypes. Industrial instrumentation and monitoring systems for acceleration or shock events. Battery-powered sensing nodes where low power accelerometer measurement is important. Product List 1 Boardoza ADXL345 3-Axis Accelerometer Sensor Other Content I2C note: the official documentation focuses on I2C examples while retaining SPI-related library code for advanced or future use. Voltage note: official version history states that all I/O pins are 3.3V and 5V tolerant. Address note: the SDO / ADDR pin can be used for alternate I2C address selection. Interrupt note: INT1 and INT2 pins are available for interrupt-based sensing workflows. Mechanical note: the official repository includes a STEP model for enclosure and PCB integration planning. Resources Official GitHub Repository ADXL345 Datasheet ADXL345 STEP File FAQ What is the Boardoza ADXL345 3-Axis Accelerometer Sensor used for? It is used for motion detection, tilt sensing, vibration or shock measurement, robotics feedback, gaming input, and industrial instrumentation projects. Which communication interface does this ADXL345 accelerometer sensor use? The official documentation lists I2C as the main interface for this breakout board. What measurement ranges are supported? The ADXL345 sensor supports selectable +/-2g, +/-4g, +/-8g, and +/-16g ranges. Can it work with 3.3V and 5V systems? Yes. The official documentation lists 3.3V or 5V input voltage, and the version history notes 3.3V and 5V tolerant I/O pins. How large is the board? The official board dimensions are 20mm x 20mm.
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