Intelligent light controlling system

The utility model discloses an intelligent light controlling system. The system comprises an STC single-chip microcomputer, a stabilized power supply, a zero-crossing detection circuit, a human body infrared pyroelectric sensor module, a visible light illumination sensor module, a serial port debugging module, and an illuminating lamp drive circuit, wherein the stabilized power supply, the zero-crossing detection circuit, the human body infrared pyroelectric sensor module, the visible light illumination sensor module, the serial port debugging module, and the illuminating lamp drive circuit are all connected with the STC single-chip microcomputer. According to the utility model, data acquired by the human body infrared pyroelectric sensor and the visible light illumination sensor are processed by the single-chip microcomputer, and then corresponding signals are sent to the illuminating lamp drive circuit, thereby controlling ON/OFF and the brightness of an illuminating lamp; and the system is characterized by high power supply efficiency, free of residence disturbance, and stable power supply, which is suitable for popularization and application.