DS18B20温度控制数码管 1、K3 → 进入设定温度报警值 TL 状态:L－－20 2、K3 → 进入设定温度报警值 TH 状态:H－－28 3、K3 → 返回-DS18B20 temperature control digital tube 1, K3 → to enter the set temperature alarm value TL state: L- 20 2, K3 → to enter the set temperature alarm value TH state: H- 28 3, K3 → return
