本程序为采用ATMEGA8L和DALLAS公司的ds18b20的温度采集程序， 选用ATMEGA8L内部4M RC震荡，ds18b20数据线接PD2-This procedure for the introduction of the company' s ATMEGA8L and DALLAS acquisition procedures temperature ds18b20 choose ATMEGA8L internal 4M RC shock, ds18b20 data PD