01 DAC Trapezoidal Resistor 1. Introduction Yesterday, I tested the development toolchain for the STM32G431. Today, I plan to try some interesting experiments. I saw a friend share their R2R trapezoidal resistor DAC solution on Bilibili, and I became quite interested. Therefore, I decided to test the performance of the trapezoidal resistor DAC solution using … Read more
Many friends have left messages on the public account backend regarding applications related to RS485. If you delve deeper into RS485, you will find that there is indeed a lot of knowledge involved. Therefore, we will choose some common issues considered in weak current systems for everyone to understand. 1. What is RS485 Bus? In … Read more
1. Design Overview This design implements a multi-channel UART/SPI communication system, capable of one-to-many communication. The system can operate in UART mode or SPI mode. The reason I chose this topic is mainly that my current laboratory needs to write a fast communication system based on UART. This topic can help solidify my previously learned … Read more
The author has summarized the I2C specifications into one article, with the following table of contents: I2C Introduction I2C Architecture I2C Transfer I2C Synchronization And Arbitration I2C Hs-mode 1. I2C Introduction 1.1 I2C History I2C: Inter-Integrated Circuit, an integrated circuit bus. I2C is a simple, bidirectional two-wire synchronous serial bus designed by Philips in 1982 … Read more
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ASIC (Application Specific Integrated Circuit) chips are application-specific integrated circuits designed from the ground up to meet the specific needs of users for certain electronic systems. Their computational power and efficiency can be customized according to algorithm requirements, making them the product of fixed algorithm optimization design. ASIC chip modules can be widely used in … Read more
In today’s era, new technologies are emerging one after another. In the field of electronics, especially in automation and intelligent control, traditional control systems made of discrete components or digital logic circuits are being replaced at an unprecedented speed by microcontroller-based intelligent control systems. Most higher engineering schools have already introduced microcontroller courses. Microcontrollers have … Read more
Category: Skills Competition In recent years, both at the national and local levels, conducting vocational skills competitions has become an important measure for cultivating high-skilled talents. Therefore, the performance of students in vocational skills competitions has become a key evaluation indicator for assessing the quality of education and teaching in vocational colleges. Various schools attach … Read more
▍Note: If you need the Word source file, please reply “Admin” in the public account backend to get the material. *Example 70: Software Debounce Independent Keyboard Input Experiment #include<reg51.h> // Include header file defining 51 microcontroller registers sbit S1=P1^4; // Define S1 pin as P1.4 sbit LED0=P3^0; // Define LED0 pin as P3.0 /* Function: … Read more
The learning and application of microcontrollers is rapidly rising in factories, schools, and enterprises. Engineers and technicians who are accustomed to traditional electronics face new challenges. If they cannot learn microcontrollers in a short time, they will inevitably be left behind by the times. Only by bravely facing reality, challenging oneself, enhancing learning, and striving … Read more