🔄 Motor DC — Básico

#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <AFMotor.h>

LiquidCrystal_I2C lcd(0x27, 20, 4);
AF_DCMotor motor(1);

void setup() {
  lcd.init(); lcd.backlight();
  lcd.setCursor(0,0); lcd.print("Motor DC Canal 1");
  motor.setSpeed(200);
}

void status(const char* d, int v) {
  lcd.setCursor(0,1); lcd.print("Dir: ");lcd.print(d);lcd.print("       ");
  lcd.setCursor(0,2); lcd.print("Vel: ");lcd.print(v);lcd.print("/255  ");
}

void loop() {
  motor.run(FORWARD);  status("FORWARD",  200); delay(2500);
  motor.run(BRAKE);    status("BRAKE",    0);   delay(800);
  motor.run(BACKWARD); status("BACKWARD", 200); delay(2500);
  motor.run(RELEASE);  status("RELEASE",  0);   delay(800);
}