[Arduino] 2. Gyro Sensor

0. Spec.

Sensor: MPU-6050

Board: GY-521

5V-> LDO -> 3.3V

A0: Pull-down 0x68 (default), Pull-up(3.3V) 0x60

 

1. Ref.

https://playground.arduino.cc/Main/MPU-6050/

Arduino Playground - MPU-6050

https://www.i2cdevlib.com/docs/html/class_m_p_u6050.html

I2Cdevlib: MPU6050 Class Reference

https://github.com/jrowberg/i2cdevlib/tree/master/Arduino/MPU6050

GitHub - jrowberg/i2cdevlib: I2C device library collection for AVR/Arduino or other C++-based MCUs

http://www.jkelec.co.kr/img/sensors/manual/mpu6050_gy521/mpu6050_gy521_manual.html

MPU6050 GY-521 센서 메뉴얼

 

 

https://github.com/adafruit/Adafruit_MPU6050

GitHub - adafruit/Adafruit_MPU6050

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3. 샘플 코드

#include <Arduino.h>

#include <Adafruit_MPU6050.h>
//#include <Adafruit_Sensor.h>

Adafruit_MPU6050 mpu;

void setup() {
  Serial.begin(9600);
  Serial.println("Test Gyro");

  if (!mpu.begin()) {
    Serial.println("Sensor init failed");
    while (1)
      yield();
  }
  Serial.println("Found a MPU-6050 sensor");

  delay(500);
}

void loop() {
  sensors_event_t a, g, temp;
  mpu.getEvent(&a, &g, &temp);

  Serial.print("Accelerometer ");
  Serial.print("X: ");
  Serial.print(a.acceleration.x, 1);
  Serial.print(" m/s^2, ");
  Serial.print("Y: ");
  Serial.print(a.acceleration.y, 1);
  Serial.print(" m/s^2, ");
  Serial.print("Z: ");
  Serial.print(a.acceleration.z, 1);
  Serial.println(" m/s^2");

  Serial.print("Gyroscope ");
  Serial.print("X: ");
  Serial.print(g.gyro.x, 1);
  Serial.print(" rps, ");
  Serial.print("Y: ");
  Serial.print(g.gyro.y, 1);
  Serial.print(" rps, ");
  Serial.print("Z: ");
  Serial.print(g.gyro.z, 1);
  Serial.println(" rps");

  delay(100);
}

4. 연결

Arduino Nano	Sensor Board
5V	VCC
GND	GND
A4(SDA)	SDA
A5(SCL)	SCL
D2(IRQ)	INT