#define LED_PIN 13 #include #include // Servo PIN 6 Digital Servo servo1; int PinTimbangan = A0; // Pin Sensor Timbangan di A0 int NilaiTimbangan = 0; // Nilai Awal Timbangan SoftwareSerial RFID(2, 3); String Teks; String TeksCek; char c; void setup() { Serial.begin(9600); RFID.begin(9600); Serial.println("Mulai"); servo1.attach(6); // Pin Servo di Digital 6 servo1.writeMicroseconds(1500); tutuppalang1(); pinMode(LED_PIN, OUTPUT); //Sets LED pin as output digitalWrite(LED_PIN, LOW); //Turn off LED } void loop() { NilaiTimbangan = analogRead(PinTimbangan); while(RFID.available()>0){ delay(5); digitalWrite(LED_PIN, HIGH); //Turn on LED c=RFID.read(); Teks += c; } if(Teks.length()>10) Cek(); Teks=""; } void Cek() { Teks=Teks.substring(1,11); if (TeksCek != Teks) { NilaiTimbangan = analogRead(PinTimbangan); Serial.print("Tag:"); Serial.print(Teks); Serial.print("Timbangan:"); Serial.println(NilaiTimbangan); digitalWrite(LED_PIN, LOW); //Turn off LED TeksCek = Teks; bukapalang1(); } } void bukapalang1() { servo1.write(90); // Turn Servo Left to 45 degrees delay(3000); tutuppalang1(); } void tutuppalang1() { servo1.write(180); // Turn Servo Left to 45 degrees delay(1000); }