setPullupPin()

Includes lift for strong pull-up is mandated in DS18B20 datasheet for parasitic * power (2 wires) setup. (DS18B20 datasheet, p. 7, section 'Powering the DS18B20'). Подтяжка включается автоматически при инициализации объекта DallasTemperature sensors.setPullupPin(_pullupPin)
sensors: a variable of type DallasTemperature.
_pullupPin: pull-up pin.
nothing