Modern motion-sensing applications require compact, accurate, and power-efficient sensors capable of tracking both movement and orientation. The MPU6050 Accelerometer and Gyroscope Module meets these requirements. This article will discuss the MPU6050 module’s pinout, features, specifications, circuit operation, Arduino interfacing, applications, and mechanical dimensions.

The MPU6050 accelerometer and gyroscope module is a compact motion-tracking sensor that integrates a 3-axis accelerometer and a 3-axis gyroscope into a single chip. It is designed to detect linear acceleration, tilt, vibration, and rotational movement along the X, Y, and Z axes, making it ideal for motion and orientation sensing.
By combining accelerometer and gyroscope data, the MPU6050 delivers more accurate and stable motion measurements through sensor fusion. It also features an onboard Digital Motion Processor (DMP), which helps process complex calculations internally and reduces the workload on the main microcontroller.
The module communicates using the I²C interface, allowing easy integration with popular platforms such as Arduino, ESP32, and Raspberry Pi. Due to its small size, low power consumption, and affordability, it is widely used in robotics, drones, self-balancing systems, and wearable devices.
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| Pin Name | Label on Module | Description |
| VCC | VCC | Power supply input. Supports 3V to 5V due to onboard voltage regulator. |
| GND | GND | Ground connection. Connect to system ground. |
| SCL | SCL | I²C serial clock line used for communication with the microcontroller. |
| SDA | SDA | I²C serial data line used to transfer sensor data. |
| XDA | XDA | Auxiliary I²C serial data pin for connecting external sensors. |
| XCL | XCL | Auxiliary I²C serial clock pin for external sensor interface. |
| AD0 | AD0 | I²C address select pin. LOW = 0x68, HIGH = 0x69. |
| INT | INT | Interrupt output pin used for motion detection and data-ready signals. |
• MPU6500 (6-axis IMU)
• MPU9250 (9-axis IMU)
• ICM-20602 (6-axis IMU)
• ICM-20948(9-axis IMU)
| Parameter | Specification |
| Sensor Type | 6-axis IMU (3-axis accelerometer + 3-axis gyroscope) |
| Accelerometer Range | ±2 g, ±4 g, ±8 g, ±16 g (selectable) |
| Gyroscope Range | ±250, ±500, ±1000, ±2000 °/s (selectable) |
| Accelerometer Resolution | 16-bit ADC |
| Gyroscope Resolution | 16-bit ADC |
| Digital Motion Processor (DMP) | Yes, integrated |
| Temperature Sensor | Built-in |
| Temperature Measurement Range | −40 °C to +85 °C |
| Communication Interface | I²C (up to 400 kHz) |
| I²C Address | 0x68 or 0x69 (via AD0 pin) |
| Operating Voltage (IC) | 2.375 V to 3.46 V |
| Module Input Voltage | 3 V to 5 V (with onboard regulator) |
| Operating Current | ~3.9 mA (typical) |
| Low-Power Mode Current | ~10 µA |
| Clock Source | Internal oscillator / external reference |
| Interrupt Pin | Yes (INT pin) |
| Auxiliary I²C Interface | Yes (XDA, XCL) |
| Sensitivity Stability | High stability MEMS design |
| Operating Temperature | −40 °C to +85 °C |
| Package Type | QFN (IC), breakout module |
| Module Dimensions | ~20 mm × 15 mm |
The MPU6050 combines a 3-axis accelerometer and a 3-axis gyroscope in one MEMS chip. This allows it to measure linear acceleration, tilt, vibration, and rotational movement simultaneously, making it suitable for precise motion and orientation sensing.
Both the accelerometer and gyroscope use built-in 16-bit analog-to-digital converters. This high resolution enables accurate and smooth motion data, which is important for stabilization, navigation, and control applications.
The built-in DMP can process sensor fusion internally, reducing the need for complex calculations on the main microcontroller. This improves system efficiency and helps achieve more stable motion tracking results.
The module communicates via the I²C protocol, allowing easy connection to microcontrollers such as Arduino, ESP32, and Raspberry Pi. It supports configurable I²C addresses for flexible system integration.
The MPU6050 module accepts 3V to 5V input due to its onboard voltage regulator, making it compatible with both 3.3V and 5V logic systems.
An internal temperature sensor provides ambient temperature data, which can be used for compensation or system monitoring.
The auxiliary I²C pins allow direct connection of external sensors like magnetometers, enabling expanded motion-sensing capabilities.
Designed for efficiency, the MPU6050 supports low-power operating modes, making it suitable for battery-powered and portable devices.
The circuit shows how the MPU6050 module is powered, communicates with a microcontroller, and processes motion data. Although the MPU6050 IC internally operates at 3.3 V, the module is designed to accept a 5 V input supply. A 3.3 V low-dropout (LDO) voltage regulator is used to step down the 5 V input to a stable 3.3 V rail. Decoupling capacitors placed near the regulator and the MPU6050 power pins help suppress noise and ensure stable sensor operation.
Communication between the MPU6050 and the microcontroller is handled through the I²C interface, using the SDA (data) and SCL (clock) lines. In the circuit, both lines are pulled up to 3.3 V using 4.7 kΩ resistors, which is a standard requirement for proper I²C signaling. The AD0 pin allows selection of the I²C address, enabling the module to coexist with other I²C devices on the same bus.

Inside the MPU6050, the 3-axis accelerometer and 3-axis gyroscope convert physical motion into electrical signals. These signals are digitized by the internal 16-bit ADC and stored in the FIFO buffer. When new data becomes available, the INT (interrupt) pin is asserted, notifying the microcontroller that fresh motion data is ready to be read. This interrupt-driven approach improves efficiency and reduces unnecessary bus traffic.
The circuit also exposes the auxiliary I²C pins (XDA and XCL), allowing external sensors such as a magnetometer to be connected directly through the MPU6050. Overall, this circuit design ensures reliable power delivery, stable communication, and accurate motion sensing, making the MPU6050 module easy to integrate into microcontroller-based systems such as robotics, drones, and motion-tracking applications.
Interfacing the MPU6050 module with an Arduino is straightforward and beginner-friendly, thanks to its I²C communication interface and wide library support. The MPU6050 combines a 3-axis accelerometer and a 3-axis gyroscope in a single module, making it a popular choice for motion-sensing projects such as robotics, drones, and self-balancing systems. Using Arduino as the controller allows users to quickly read and process motion data without complex hardware requirements.

In the wiring setup, the Arduino supplies power to the MPU6050 through its 5V and GND pins. Although the Arduino outputs 5V, the MPU6050 module includes an onboard voltage regulator that converts this to 3.3V, which is the required operating voltage for the sensor. Communication is handled through the I²C bus, where the MPU6050’s SDA and SCL pins are connected to the Arduino Uno’s A4 (SDA) and A5 (SCL) pins. This two-wire interface simplifies connections and supports stable data transfer.
On the software side, widely used libraries-such as the MPU6050 library developed by Jeff Rowberg-make data acquisition much easier. After installing the library in the Arduino IDE, users can access example sketches that read raw accelerometer and gyroscope values or utilize the sensor’s Digital Motion Processor (DMP) for processed outputs. These examples help users quickly visualize motion data without writing complex algorithms.
Once the program is uploaded, the Arduino continuously receives motion data from the MPU6050 and displays values such as yaw, pitch, and roll on the Serial Monitor. This clear and efficient integration makes the MPU6050 with Arduino an excellent solution for both educational projects and professional motion-tracking applications.
• Robotics motion control and navigation
• Self-balancing robots and vehicles
• Drones and quadcopter stabilization systems
• Inertial measurement units (IMUs) for navigation
• Gesture recognition systems
• Motion tracking and activity monitoring
• Camera gimbal stabilization
• Virtual reality (VR) and gaming controllers
• Wearable fitness and health monitoring devices
• Tilt and vibration sensing applications
• Human–machine interface (HMI) systems
• Educational and research projects

The MPU6050 Accelerometer and Gyroscope Module is a dependable 6-axis IMU for motion and orientation sensing. With its high-resolution 16-bit ADCs, integrated DMP, flexible power options, and straightforward I²C interface, it simplifies both hardware design and software development. The module’s clear pinout, robust specifications, and compatibility with Arduino and other microcontrollers make it accessible to a wide audience, while its performance meets the demands of professional motion-tracking systems.