Can not find any in the data sheet from the maxim about the maximum length of cable (bus)
#include <OneWire.h>#include <DallasTemperature.h>// Data wires plugged into digital pins 2,3,4 on the Arduino#define ONE_WIRE_BUSA 2#define ONE_WIRE_BUSB 3#define ONE_WIRE_BUSC 4// Setup a oneWire instance to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)OneWire oneWireA(ONE_WIRE_BUSA);OneWire oneWireB(ONE_WIRE_BUSB);OneWire oneWireC(ONE_WIRE_BUSC);// Pass our oneWire reference to Dallas Temperature.DallasTemperature sensorsA(&oneWireA);DallasTemperature sensorsB(&oneWireB);DallasTemperature sensorsC(&oneWireC);
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