งานปฎิบัติ 6

กดสวิตกลับทางมอเตอร์ แสดงจอ LCD

wiring diagram

Relay

TRANSISTOR

Code

#include <LiquidCrystal.h> 

LiquidCrystal lcd(13, 12, 4, 5, 6, 7); 

int BS1,BS2;

void setup()

{

lcd.begin(16, 2);                                                

pinMode(11, INPUT);

pinMode(10, INPUT);

pinMode(1,OUTPUT);

pinMode(0,OUTPUT);

              

             

}

void loop()

{

 BS1 = digitalRead(11);

 BS2 = digitalRead(10);

   if (BS1 == LOW) {

 

    digitalWrite(0, HIGH);

    digitalWrite(1, LOW);

    lcd.setCursor(7, 0);

    lcd.print("LEFT");

  }

  else if (BS2 == LOW) {

 

    digitalWrite(1, HIGH);

    digitalWrite(0, LOW);

    lcd.setCursor(7, 0);

    lcd.print("right");

  }

  else {

   lcd.setCursor(5, 0);

    lcd.print("++Stop++");

       digitalWrite(0, LOW);

    digitalWrite(1, LOW);;

  }

}