2.52Ƭ򲻿ֱʹP32д15Ƭԣ52ʹǰҪȽжP32=P3^2

3.main治дwhile1{}

4.򵥳ʼдwhile1{}棬д

5.DS18B20Ҫִ¶Ȳadתʱ߿뷢[44h]

6.дiicĶֽںгtemp=0.39*temp;
   iicwrite()дҪĵַҪֱֵӰaddɵַ

7.pwmľȲͬռձϣ8λpwmռձСֻ125610λpwmռձȿʹ11024.

8.ʱʱ=/ռձ

9.ʱõʱds1302

10.ds1302ds18b20ӳͬע⣡