"基于EasyArm1138的超声波探测装置设计与分析"

The Ultrasonic Distance-Measure Instrument based on EasyArm1138 is a device designed to measure distances using the propagation properties of ultrasonic waves in air. This device utilizes the EasyARM1138 control chip as its core component. The feasibility of using ultrasonic sensors for distance measurement is analyzed theoretically, taking into account knowledge from fields such as analog electronics, digital electronics, acoustics, and the propagation characteristics of ultrasonic waves in media. The hardware part of the ultrasonic detection device is designed based on this analysis, incorporating ultrasonic sensors and leveraging the EasyARM1138's features. Additionally, software programs are developed for the EasyARM1138 controller, and testing and debugging are conducted to ensure the device functions properly. Experimental results and errors are analyzed and summarized to validate the effectiveness of the device. Keywords: Ultrasonic sensor; ARM; LCD display. In conclusion, the Ultrasonic Distance-Measure Instrument based on EasyArm1138 successfully utilizes ultrasonic waves to measure distances accurately. The integration of hardware and software components, along with the theoretical analysis of ultrasonic propagation, ensures the reliability and efficiency of the device. This project demonstrates the practical application of ultrasonic technology in distance measurement and highlights the capabilities of the EasyARM1138 control chip in developing innovative electronic devices.