This article explains how to use the human body sensing module HC SR505. We use an LED to indicate whether a person has walked into the sensor. When a person walks in, the LED indicator lights up, and...
Preface: VScode is already available on the computer, and ESP32 development is perfectly supported on VScode. Next, use VScode to install the esp32 development environment.VSCode official website addr...
Several states of microcontroller IO port output1. What are the differences between the open-drain output and open-drain multiplexed output of a microcontroller?2. What are the differences between the...
As shown in the figure below, when I import the BOM, there are obviously many components with different values. Why are they not distinguished? If I want to separate them, how should I do it? Please h...
A long time ago, when I was still using Turbo C 2.0 to write programs, I saw setjmp() and longjmp() functions when browsing library functions in the help function, but I never understood what they wer...
In the past two years, under the leadership of Wang Qishang, AMD RDNA GPU architecture has brought many surprises. The latest RDNA2 has extremely high energy efficiency, and its frequency, performanc...[Details]
According to Wind data, the total market value of the first 25 stocks listed reached 236.178 billion yuan, and as of the close of July 22, the total market value of the above 25 stocks reached 553.49...[Details]
This time we are going to talk about downloading programs, pictures or other files to SPI Flash. I use W25X16 SPI Flash, which has 2MB space, 2 Blocks, 512ge Sectors, and 8096 Pages. Since SPI Flash ...[Details]
The once-heated litigation war was finally settled by Apple and Qualcomm, and the two parties also signed a multi-year product supply contract. In an interview recently, Qualcomm CEO Steve M...[Details]
In the increasingly fierce competition in the new energy vehicle market, electric SUVs have become the focus of attention and competition among major well-known automobile manufacturers. Today we wil...[Details]
summary As a replacement lamp, the M16/AR111 LED spotlight must meet the requirements of high efficiency, reliability and economy, and its driver power design must also be compatible with the ...[Details]
What is the difference between ARM and microcontroller?
1. Software
This is probably the biggest difference. The operating system was introduced. Why was the operating system introduced? What are...[Details]
The external interrupt experiment encountered a problem: 1. The program downloaded to the memory (SDROM) cannot be run, but it can be downloaded to the nand flash. Other programs downloaded to...[Details]
AC regulated power supply is an important part of power supply technology. Its input is single-phase or three-phase AC power, and its output is still AC power (single-phase or three-phase). According...[Details]
introduction CortexM0/M0+ is a low-end ARM core of RISC type. Its instruction set is compatible with high-end ARM. It is far superior to traditional 8/16-bit CISC (complex instruction stream) CPUs re...[Details]
introduction
The LCD screen itself does not emit light. In order to clearly see the content of the LED display, a certain amount of white light backlight is required. The backlight is an optic...[Details]
On August 31, the 104th CEIA China Electronics Intelligent Manufacturing Series was held at the Meixi Lake Jinmao Luxury Collection Hotel in Changsha. ZESTRON attended the on-site demonstration event...[Details]
The vision market continues to evolve, grow, diversify and become smarter Image perception undoubtedly supports the megatrends in the three major market sectors of automotive, industrial and consum...[Details]
There are not many handheld oscilloscopes with pulse trigger function on the market, but many field maintenance personnel like laboratory personnel need this function, and the Fluke 190C handheld osc...[Details]
stm32/stm8
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