PDF《DS18b20 数字温度传感器模块》

return;

} if ( addr[0] == 0x10) { Serial.print("Device is a DS18S20 family device.\n");

} else if ( addr[0] == 0x28) { Serial.print("Device is a DS18B20 family device.\n");

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Serial.println(addr[0],HEX);

return;

} ds.reset();

ds.select(addr);

ds.write(0x44,1);

// start conversion, with parasite power on at the end delay(1000);

// maybe 750ms is enough, maybe not // we might do a ds.depower() here, but the reset will take care of it. present = ds.reset();

ds.select(addr);

ds.write(0xBE);

// Read Scratchpad Serial.print("P=");

Serial.print(present,HEX);

Serial.print(" ");

for ( i = 0;

i < 9;

i+we need

9 bytes data[i] = ds.read();

Serial.print(data[i], HEX);

Serial.print(" ");

} Serial.print(" CRC=");

Serial.print( OneWire::crc8( data, 8), HEX);

Serial.println();

}

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