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есть код
#include </Users/Bjornskau/Desktop/KEY/OneWire.h>


#define pin 10

byte key_to_write[] = { 0x01, 0xBE, 0x40, 0x11, 0x5A, 0x36, 0x00, 0xE1 };

OneWire  ds(pin);  // pin 10 is 1-Wire interface pin now

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

void loop(void) {
  byte i;
  byte data[8];

  delay(1000); // 1 sec
  
  ds.reset();
  delay(50);
  ds.write(0x33); // "READ" command

for (uint16_t i = 0 ; i < 8 ; i++)
    data[i] = ds.read();

  Serial.print("KEY ");
  for( i = 0; i < 8; i++) {
    Serial.print(data[i], HEX);
    if (i != 7) Serial.print(":");
  }

  // Check if FF:FF:FF:FF:FF:FF:FF:FF
  // If your button is really programmed with FF:FF:FF:FF:FF:FF:FF:FF, then remove this check
  if (data[0] & data[1] & data[2] & data[3] & data[4] & data[5] & data[6] & data[7] == 0xFF)
  {
    Serial.println("...nothing found!"); 
    return;
  }
}

Который выдает следующие ошибки