Electric lights are a necessity in our daily lives, and everyone cannot do without them. However, traditional lighting systems have many inconveniences to use, especially when turning on lights at night, which is very inconvenient and often leads to waste due to forgetting to turn off the lights. Although traditional lighting is suitable for use at home, it is not suitable for use in high traffic public places such as school classrooms, libraries, and offices. Based on the analysis of electricity consumption in various school classrooms, we design a lighting control system to solve the imperfect lighting control system. This design uses STC89C52 as the main control chip, infrared sensors to sense the presence of human signals, and a circuit composed of photoresistors to measure the lighting intensity. When there are people in the classroom and the lighting intensity is weak, the system will automatically turn on the lighting. This design can switch to manual mode by switching the switch button, control the lighting by manual operation, and display the number of pedestrian-detection through two digital tubes.

Zhiguo Yang, Gengyu Ge, Linmin Wang. Design of Lighting Control for Energy Saving Using Microcontroller System. Academic Journal of Engineering and Technology Science (2024) Vol. 7, Issue 4: 1-5. https://doi.org/10.25236/AJETS.2024.070401.

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