ACS712 전류센서 + 노란색 기어드 모터 전류 측정

 #include <LiquidCrystal.h>

LiquidCrystal lcd(12, 11, 5, 4, 3, 2);

void setup() {

  Serial.begin(9600);

  analogWrite(9,100); // LCD font brightness

  lcd.begin(16, 2);

  lcd.print("Mechasolution");

  lcd.setCursor(0, 1);

  lcd.print("Current Sensing");

  delay(3000);

  lcd.clear();

}

void loop() {

 float average = 0;

 for(int i = 0; i < 1000; i++) {

     average = average + (.0264 * analogRead(A0) -13.44);//for the 5A mode,  

   delay(1);

 }

 Serial.print("Current :");

 Serial.print(average/1000);

 Serial.println("A");

  lcd.setCursor(0,0);

  lcd.print("Current : ");

  lcd.print(average/1000);

  //lcd.print("A");

}