#include <OneWire.h>
 #define pin 2
 OneWire ibutton (pin);
 byte addr[8];
 int writeByte(byte data){
  int data_bit;
 for(data_bit=0; data_bit<8; data_bit++){
  if (data & 1){
     digitalWrite(pin, LOW); pinMode(pin, OUTPUT);
     delayMicroseconds(60);
     pinMode(pin, INPUT); digitalWrite(pin, HIGH);
    delay(10);
   } else {
     digitalWrite(pin, LOW); pinMode(pin, OUTPUT);
      pinMode(pin, INPUT); digitalWrite(pin, HIGH);
      delay(10);
   }
   data = data >> 1;
 }
  return 0;
}

void setup() {
  Serial.begin(9600);
}

void loop() {
     if ( !ibutton.search(addr) ) {
     return;
     }
     ibutton.skip();
     ibutton.reset();
     ibutton.write(0x33);
         ibutton.skip();
         ibutton.reset();
         ibutton.write(0xD1);
         digitalWrite(pin, LOW);
         pinMode(pin, OUTPUT);
         delayMicroseconds(60);
         pinMode(pin, INPUT);
         digitalWrite(pin, HIGH);
         delay(10);
         byte newID[8] = {0x44, 0x0F, 0xC8, 0x0B, 0x00, 0x00, 0x00, 0x2C};
      newID[0] = 1;
      newID[1] = 1;
      newID[2] = 1;
      newID[3] = 1;
      newID[4] = 1;
      newID[5] = 1;
      newID[6] = 1;
      newID[7] = 1;
        Serial.println();
         ibutton.skip();
         ibutton.reset();
         ibutton.write(0xD5);
         for (byte x = 0; x<8; x++){
           writeByte(newID[x]);
           Serial.print("*");
         }
         ibutton.reset();
         ibutton.write(0xD1);
         digitalWrite(pin, LOW);
         pinMode(pin, OUTPUT);
         delayMicroseconds(10);
         pinMode(pin, INPUT);
         digitalWrite(pin, HIGH);
         delay(10);
     Serial.print(" ");
       ibutton.skip();ibutton.reset();ibutton.write(0x33);
     Serial.print("Code recorded:");
         for (byte x=0; x<8; x++){
           Serial.print(" ");
         Serial.print(ibutton.read());
        }
       Serial.println(" ok");
     delay(2000);
} 

Открыть пример: Online ArduBlock

---

#include <OneWire.h>
int x = 0;
long NaN = 0;
#define pin 2
OneWire ibutton (pin);
byte addr[8];
int writeByte(byte data){
  int data_bit;
 for(data_bit=0; data_bit<8; data_bit++){
  if (data & 1){
     digitalWrite(pin, LOW); pinMode(pin, OUTPUT);
     delayMicroseconds(60);
     pinMode(pin, INPUT); digitalWrite(pin, HIGH);
    delay(10);
   } else {
     digitalWrite(pin, LOW); pinMode(pin, OUTPUT);
      pinMode(pin, INPUT); digitalWrite(pin, HIGH);
      delay(10);
   }
   data = data >> 1;
 }
  return 0;
}

void setup() {
  Serial.begin(9600);
}

void loop() {
    if ( !ibutton.search(addr) ) {
     return;
     }
     ibutton.skip();
     x = addr[0];
     NaN = addr[1];
     NaN = addr[2];
     NaN = addr[3];
     NaN = addr[4];
     NaN = addr[5];
     NaN = addr[6];
     NaN = addr[7];
    Serial.println(x);
    if (x == 1) {
      pinMode(13, OUTPUT);
       digitalWrite(13, 1);
      delay(3000);
      pinMode(13, OUTPUT);
       digitalWrite(13, 0);
      delay(100);
    }
} 

Открыть пример: Online ArduBlock

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