以热释电红外探测器、光亮度及声控传感器做为照明区域的感知器件，进行信号采集，将采集信号通过转换电

路转换后传到STC12C5628AD 单片机，经单片机处理后的控制信号控制驱动电路。根据AC LED 电路的特点，驱动电

路以双向可控硅做为核心器件进行设计，系统可实现AC LED 照明的智能开启及亮度调节。经实际电路测试，电路工

作稳定可靠，达到了设计要求。-Pyroelectric infrared detectors, brightness and voice sensor as the illumination area sensing devices, signal acquisition, signal acquisition through conversion circuit converted spread STC12C5628AD MCU control signals processed by the microcontroller drive circuit. According to the characteristics of AC LED circuit, drive circuit triac core component design, the system can be intelligent AC LED lighting on and brightness adjustment. The actual circuit test, the circuit is stable and reliable, met the design requirements.