ENネタ_Arduinoでスイッチを押すとLEDがひかり＆サーボが動き、もう1回押すと戻る回路

#include<rxduino.h>

#include <Servo.h>

Servo servo;

const int LED = 13;

const int TACT = 7;

int val = 0;

int old_val = 0;

int TactState = 0;

void setup()

{

servo.attach(12);

pinMode(LED, OUTPUT);

pinMode(TACT, INPUT);

}

void loop()

{

val = digitalRead(TACT);

if ((val == HIGH) && (old_val == LOW)) {

TactState = 1 – TactState;

delay(10);

}

old_val = val;

if (TactState == 1) {

digitalWrite(LED, HIGH);

servo.write(90);

delay(10);

}

else {

digitalWrite(LED, LOW);

servo.write(0);

delay(10);

}

}