Comparison of I2C and SPI Communication Protocols In microcontroller development, peripheral expansion is an inevitable task, such as connecting sensors, displays, or memory. Both I2C and SPI are commonly used communication protocols, each with its own advantages and disadvantages, suitable for different scenarios. This article will help you understand the basic concepts, hardware connections, code … Read more
STM32 I2C Bus Communication The I2C bus is the “universal” interface in the microcontroller world, as almost all common sensors, display modules, and memory chips support I2C communication. This article will guide you through the working principles of I2C and how to implement I2C communication on STM32. What is I2C? I2C (Inter-Integrated Circuit) is a … Read more
Click the above “Embedded and Linux Matters”, select “Pin/Star Public Account” Welfare and dry goods delivered first-hand Generally speaking, there are usually no problems with soldering i2c devices. If you follow the device manual step by step, it should work smoothly. However, if such a simple thing sometimes does not yield the desired results, and … Read more
In the world of microcontrollers (also known as microcontrollers), ROM (Read-Only Memory) and RAM (Random Access Memory) are two important storage components, each playing an indispensable role, often found alongside engineers. Today, let’s discuss what ROM and RAM are, their uses, and more. 1. What is ROM? ROM, or Read-Only Memory, is a type of … Read more
Microcontroller buzzer happy birthday programming #include #define uint unsigned int #define uchar unsigned char sbit speaker=P1^0; // The learning board provided by the school requires two I/O ports to control the buzzer. However, most learning boards control with one I/O port. sbit speaker1=P1^1; // If your board controls with one I/O port, this line can … Read more
Course Details: This course mainly introduces the development process, methods, techniques, and design concepts of STM32 microcontroller application systems through typical examples. It combines software and hardware, presenting the material in a clear and understandable manner. The course covers various technologies in microcontroller development through 26 module examples, including microcontroller interface expansion, memory expansion, input/output … Read more
Hello everyone, I am Da Yi! Today we will talk about the application of Digital Signal Processing (DSP) in microcontrollers and PLCs. What is Digital Signal Processing? In modern industrial automation systems, we often encounter analog signals from sensors, such as temperature, pressure, light, etc. In order for a microcontroller (MCU) or PLC to recognize … Read more
Using STM32 DSP Library Tutorial In microcontroller development, the DSP (Digital Signal Processing) library can significantly enhance computational performance, especially suitable for audio, image, and other signal processing scenarios. This article will introduce how to use the ARM CMSIS-DSP library on STM32 microcontrollers, helping you easily implement complex mathematical operations. Introduction to DSP Library The … Read more
Wu Jianying’s Microcontroller Development Board Address Shop:【Wu Jianying’s Shop】 Address:【https://item.taobao.com/item.htm?_u=ukgdp5a7629&id=524088004171】 Mastering three languages in embedded programming is considered unbeatable: Assembly, C, and C++. With limited energy, mastering the first two is sufficient. If not, one must be proficient in C; otherwise, one can only be a leader, haha. I’ve been in this industry for over … Read more
In the process of microcontroller programming, if a designer can master multiple programming languages at the same time, then this designer is definitely a very talented individual. However, mastering assembly, C, and C++ simultaneously is quite difficult, and many beginners encounter numerous obstacles while learning just one of these languages, leading to frustration. This article … Read more