Arduino MPU6050 Gyroscope & Accelerometer Sensor Module

Introduction

The MPU6050 accelerometer gyroscope is a widely used chip with a 16-bit measurement resolution on every six-axe sense. It has a high accuracy sense. The accelerometer and the gyroscope are known as the inertial measurement unit (IMU).

Pin Configuration

There are eight pins in an MPU6050 module; however, four are responsible for articulation. The pins include VCC, which powers the module and couples to the 5V Arduino pin, the GND pin of the Arduino, and the serial clock, which is responsible for offering clock pulse for 12C communication. The serial data is sent through the 12C communication; the auxiliary serial data is used for interfacing the 12C modules with MPU6050. The address select pin is also used when multiple MPU6050 is used, and the interrupt pin is used to show the data available for the MCU to read.

MPU6050 Components

The MPU6050 module comprises an MPU6050 Inertial Measurement Unit (IMU) chip manufactured by TDK InvenSense. It is enclosed in a 24-pin QFN package measuring 4mm x 4mm x 0.9mm. The module boasts a few components: a 3.3V regulator (AP2112K), I2C pull-up resistors, and bypass capacitors. Additionally, it features a power LED that provides information about the module's power status.

MPU6050 Gyroscope Sensor Module Circuit Diagram

The board boasts a minimal number of components. The power section is constructed based on the AP2112K-3.3 voltage regulator, ensuring adequate filtration by including tantalum and multilayer capacitors. An LED is employed with a resistor to limit the current for the power indicator.

How the Module Operates

The MPU6050 is a Micro-Electro-Mechanical Systems (MEMS) device with a 3-axis accelerometer and a 3-axis gyroscope. Its purpose is to measure various parameters related to motion, such as acceleration, velocity, orientation, and displacement. Additionally, this module features a Digital Motion Processor (DMP) capable of performing intricate calculations, effectively relieving the workload on the microcontroller. Furthermore, this module includes two auxiliary pins connecting external IIC modules, such as a magnetometer, although this is optional. Its configurability regarding the IIC address permits the interfacing of multiple MPU6050 sensors with a single microcontroller using the AD0 pin. Notably, this module boasts well-documented and updated libraries, making it user-friendly with popular platforms like Arduino. Therefore, if you require a sensor for controlling motion in applications such as RC cars, drones, self-balancing robots, humanoids, bipeds, or similar projects, the MPU6050 sensor may be an ideal choice.

Arduino Accelerometer and Gyroscope Sensor Module Interfacing Circuit Diagram

The MPU6050 relies on the I2C module for communication. Because the I2C pins can handle 5V, they can be directly utilized with the Arduino without requiring level converters. Specifically, the SCL pin is linked to the SCL pin (A5) on the Arduino, while the SDA pin is connected to the SDA pin (A4) on the Arduino.

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