#include <SPI.h>
#include <MFRC522.h>
#define SS_PIN 10
#define RST_PIN 9
#include <Servo.h>
Servo myservo;
// 設定電磁閥開關及紅綠燈Pin 值
int mSwitch = 4;
int LEDRed = 2;
int LEDGreen = 3;
MFRC522 mfrc522(SS_PIN, RST_PIN); // 建立 MFRC522.
void setup()
{
pinMode(LEDRed, OUTPUT);
pinMode(LEDGreen, OUTPUT);
//pinMode(mSwitch, OUTPUT);
myservo.attach(4);
Serial.begin(9600); // 設定串列通訊速率
SPI.begin(); // 設定 SPI bus
mfrc522.PCD_Init(); // 設定 MFRC522
Serial.println(" Put your card close to the reader...");
Serial.println();
}
void loop()
{
digitalWrite(LEDGreen, LOW);
digitalWrite(LEDRed, LOW);
//digitalWrite(mSwitch, LOW);
myservo.write(10);
// 是否為新卡？
if ( ! mfrc522.PICC_IsNewCardPresent())
{
return;
}
// 選擇一張卡
if ( ! mfrc522.PICC_ReadCardSerial())
{
return;
}
//Show UID on serial monitor
Serial.print("Card No. :");
String content = "";
byte letter;
for (byte i = 0; i < mfrc522.uid.size; i++)
{
Serial.print(mfrc522.uid.uidByte[i] < 0x10 ? " 0" : " ");
Serial.print(mfrc522.uid.uidByte[i], HEX);
content.concat(String(mfrc522.uid.uidByte[i] < 0x10 ? " 0" : " "));
content.concat(String(mfrc522.uid.uidByte[i], HEX));
}
Serial.println();
Serial.print(" Message : ");
content.toUpperCase();
//需要改成可通行的卡號
if (content.substring(1) == "7F E5 57 29")
{
Serial.println(" Ya!... ");
Serial.println();
// 亮綠燈, 電磁閥開
digitalWrite(LEDGreen, HIGH);
digitalWrite(LEDRed, LOW);
//digitalWrite(mSwitch, HIGH);
myservo.write(100);
delay(1500);
}
else {
Serial.println(" 你誰啊...");
// 亮紅燈, 電磁閥關
digitalWrite(LEDGreen, LOW);
digitalWrite(LEDRed, HIGH);
//digitalWrite(mSwitch, LOW);
myservo.write(10);
delay(1500);
}
}