#include <LiquidCrystal.h>
LiquidCrystal lcd(12, 11, 10, 9, 8, 7);

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  pinMode(A0, INPUT);
  lcd.begin(16, 2);
  lcd.clear();
  lcd.setCursor(0,0);
}

void loop() {
  // put your main code here, to run repeatedly:
  
  int pot = analogRead(A0);
  lcd.clear();
  lcd.setCursor(0,0);
  lcd.print("input: ");
  lcd.setCursor(8,0);
  lcd.print(pot);
  Serial.print("input: ");
  Serial.print(pot);
  
  int var = map(pot,0,1023,0,255);


  if(var<127)
  {
    //dirMotor = CW;
    int out1 = map(var,0,126,255,0);
    Serial.print("  output: ");
    Serial.println(out1);
    lcd.setCursor(0,1);
    lcd.print("output: ");
    lcd.setCursor(8,1);
    lcd.print(out1);
  }
  else if(var>127)
  {
    //dirMotor = CCW;
    int out2 = map(var,128,255,0,255);
    Serial.print("  output: ");
    Serial.println(out2);
    lcd.setCursor(0,1);
    lcd.print("output: ");
    lcd.setCursor(8,1);
    lcd.print(out2);
  }
  else
  {
    Serial.println("  output: 0");
    lcd.setCursor(0,1);
    lcd.print("output: ");
    lcd.setCursor(8,1);
    lcd.print(0);
  }

  delay(100);
}