18b20是常见的数字温度传感器，是单线传输的传感器，运用方便 广泛，此上传的是18b20是中文资料（pdf），可供大家借鉴-18b20 is a common digital temperature sensor, the sensor is a single transmission, to facilitate widespread use of this upload is 18b20 is Chinese data (pdf), for everybody' s referenc