发表于:2004-03-29 09:46:00
3楼
The DS18B20 Digital Thermometer provides 9 to 12-bit centigrade temperature measurements and has an alarm function with nonvolatile user-programmable upper and lower trigger points.the DS18B20 communicates over a .....
还有很多,你要就全给你。发到你E-mail 里去