"基于STC89C52单片机的红外线自动门控制系统设计与实现"

Abstract: With the continuous development of science and technology, automatic doors have become increasingly popular in people's daily lives, and there is a growing demand for safety and performance. The control system of automatic doors is a high-tech product that has emerged with the continuous pursuit of living conditions and the development of technology. Due to the strong adaptability and high stability of the single-chip system, this design adopts the STC89C52 single-chip microcontroller as the main controller. This design is a infrared automatic door control system, using an infrared sensor as a sensor to detect changes in infrared energy radiated by the human body, convert it into electrical signals, and transmit it to the microcontroller. A stepper motor is used as the door driving device. The microcontroller controls the motor to automatically open the door, and when a person enters, the door can automatically close. The opening speed of the door can be adjusted, and there is also anti-pinch function when closing the door. Additionally, this design can also monitor the temperature and humidity inside the door and display it. This project mainly implements the detection of infrared rays and the control system based on STC89C52 single-chip microcontroller. Keywords: single-chip microcontroller; pyroelectric infrared sensor; main controller