Page 22 - MDP2022-2

String hexString = "";
char uid_1, uid_2, uid_3, uid_4, uid_5, uid_6, uid_7, uid_8;

int reset_flag = 0;

SoftwareSerial mySerial(10, 11);
WiFiServer server(80);
WiFiClient client;
HTTPClient http;
LiquidCrystal_I2C lcd(0x27, 16, 2);

void I2C_mega_TX() {
Serial.println("난 보냈어~");
Wire.beginTransmission(Slave_mega);
Wire.write(0x88);
Wire.write(0);//수동/자동
Wire.endTransmission();
}

void I2C_ADD2_communication() {
Wire.requestFrom(Slave_mega, 8);
hexString = "";
uid_1 = Wire.read();
hexString += String(uid_1);
uid_2 = Wire.read();
hexString += String(uid_2);
uid_3 = Wire.read();
hexString += String(uid_3);
uid_4 = Wire.read();
hexString += String(uid_4);
uid_5 = Wire.read();
hexString += String(uid_5);
uid_6 = Wire.read();
hexString += String(uid_6);
uid_7 = Wire.read();
hexString += String(uid_7);
uid_8 = Wire.read();
hexString += String(uid_8);
Serial.print("받아온 UID값: ");
Serial.println(hexString);
}

void NFC_check() {
I2C_ADD2_communication();