Illumination control system utilizing microcontroller and illumination control method
A lighting control system and microcontroller technology, applied in lighting devices, energy-saving lighting, light sources, etc., can solve the problems of increased electric power consumption, high production cost, and complicated circuit assembly, and achieve energy saving, simplified circuits, and simple circuits. Effect
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[0044] refer to figure 2 . figure 2 It is a schematic diagram of the lighting control system according to the first embodiment of the present invention. The lighting control system mainly includes a zero-crossing detection circuit 41 , a microcontroller 42 , and a semiconductor switching element 43 , and these three units form the dimming circuit 4 . In addition, the lighting control system is also provided with an external control signal S1 sent to the microcontroller 42 . Such as figure 2 shown. One terminal of the semiconductor switching element 43 is connected to a lead L1 of the AC power supply AC, and its other terminal is connected to another lead L2 of the AC power supply AC via the light source load 6. Therefore, the lighting control system of the present embodiment belongs to the connection line (on- line) dimming system. The microcontroller 42 mentioned below uses a one-time programmable (OTP) microcontroller as an implementation element, and the semiconduct...
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