System Overview This design implements a simple speed measurement system using the AT89C51 microcontroller, which detects the speed of rotating objects through a Hall sensor and displays it in real-time on an LCD1602. With appropriate modifications, it can serve as a bicycle odometer, car engine speedometer, or vehicle mileage meter. The system includes the following … Read more
1. Operating Environment Simulation Software: Proteus 8.17 SP2 Programming Software: KEIL C51 V961(All software and installation tutorials can be found in the Baidu Cloud link at the end of this article) 2. Project Overview This system is based on the AT89C51 microcontroller as the core control unit, meticulously designed as a traffic light simulation project. … Read more
Introduction: 1、Function: Capable of performing addition, subtraction, multiplication, and division operations with up to four digits, retaining four decimal places for division; 4*4 matrix key input, LED LCD display for showing data; each key press triggers a buzzer response, and a marquee light is included, allowing the buzzer and LED light to be turned on … Read more
The AT89C51 is one of the most widely used 8051 microcontrollers, and importantly, it has the feature of being reprogrammable (FLASH). Generally, it can be rewritten 1000 times, providing a low-cost platform for beginners to experiment. To meet the hands-on needs of microcontroller enthusiasts, I spent half a month designing and successfully creating a simple … Read more
Click the above “Chuangxue Electronics” to follow us with one click and easily learn electronic knowledge. Chuangxue Electronics Subscription Account Daily updates on electronic industry technical articles and the latest microcontroller news, learn easily anytime, anywhere. In microcontroller programming, setting a good clock interrupt can enable a single CPU to perform the tasks of two … Read more
Editor’s Note Our school’s second “Small Inventions and Innovations Festival” has successfully concluded. “The Million Thousand People Science and Education Prosperity School Project, helping to cultivate high-quality applied talents,” has received widespread attention from all sectors of society and major media. This festival brought together 2396 participants with small inventions and innovations, with a total … Read more
01 Speaking of microcontrollers, we cannot avoid the 51 series. I remember the first microcontroller I encountered in college was the AT89C51. I believe many people started learning about microcontrollers from here, right? Of course, the AT89C51 is rarely used now. However, another brand of the 51 microcontroller is still very popular, which is the … Read more
Keil C51 is a C language software development system for the 51 series compatible microcontrollers. Compared to assembly language, C language has significant advantages in functionality, structure, readability, and maintainability, making it easy to learn and use. Keil provides a complete development solution that includes a C compiler, macro assembler, linker, library management, and a … Read more
Principle This project designs a water level control system based on a microcontroller, using the AT89C51 microcontroller as the core processor to design the minimum system, along with a digital display module, liquid level sensor, AD conversion circuit, relay circuit, water pump, and an independent button module. The system structure diagram is as follows:： System … Read more
Keil C51 is a C language software development system compatible with the 51 series microcontrollers. Compared to assembly language, C language has significant advantages in functionality, structure, readability, and maintainability, making it easy to learn and use. Keil provides a complete development solution that includes a C compiler, macro assembler, linker, library management, and a … Read more