220V Cooling Fan design features

(1) "220V Cooling Fan" use of SCM process, DS18B20 temperature sensor, simple and feasible H-bridge drive circuit design, strong interpersonal interaction.
(2) "dota2雷竞技下载 " can be manually set temperature upper limit temperature limit t1 and t2, so fans of the wind speed can be varied within a relatively wide range.
(3) Each small systems are relatively independent, can work alone, can be used alone as a thermometer, you can manually control the fan alone wind. It has good flexibility.
(4) wide "dota2雷竞技下载 " for the crowd and scope, more humane design