智能风扇调节系统源代码 通过人体红外传感器检测人群分布，调节风扇对人群集中地方集中送风，提高风扇的利用率，达到节能减排的目的。实现交直流电机调速，红外解码等功能-Smart Fan control system source code, infrared sensors to detect people through the distribution of the human body to regulate the local concentration of the fan of th