The simplified version of .net doesn't provide Handle, and Graphics doesn't provide HDC. What should I do if I need to use it sometimes? In addition, everyone, I used the Bitmap class to load a bmp im...
Design of 500WPFC power supply based on IC controller FAN4810 Abstract: The main features of the PFC controller FAN4810 are introduced, and the design procedure and method of a 500W high-performance P...
The power supply outputs 5V stably when unloaded. After adding a 100 ohm resistor as a load, the output voltage is pulled down to 4.7V. What is the problem? How should it be improved? Please give me s...
After the initial identification of RLC components or transistor three-terminal devices, the resistance, inductance, and capacitance values are converted into frequency values through the oscillation ...
Raspberry Pi is well-known, but what makes people depressed is that the CPU BCM2837/BCM2835 used in this product is hard to buy on the market. So stop imitating! The only way is to buy Raspberry Pi pr...
The ST routines provided by Segger are all debugged using J-Link. What if we only have an ST-Link emulator? In this article, we will introduce how to use ST-Link for debugging in Segger Embedded Studi...
In the past few days, the Chinese display panel giant
BOE
has been flooded with articles supported by Liu Shuwei. Let's follow the embedded editor to learn about the relevant content.
...[Details]
In the war without gunpowder between China and the United States,
ZTE
has become a new victim. The seven-year chip ban by the United States has pushed this communications giant to a life-or...[Details]
"Originally, there are many people who can design very good
chips
, but the market does not give domestic
chips
the opportunity to iterate, and domestic companies cannot give engine...[Details]
1. Problem When developing STM32 with IAR, I found that I could not print floating point numbers by redirecting printf to the serial port. The code is as follows: The output is as follows: It can...[Details]
Unique device identifiers are suitable for: ● Used as a serial number (e.g. USB string serial number or other terminal applications) ● Use the unique ID as a security key when used in conjunction wit...[Details]
Friends who work in the photovoltaic industry, do you still remember the hard work on June 30 last year? How many people worked late into the night for months in a row just to connect to the grid a...[Details]
1. Basic Concepts of LCD/LCM The structure of Liquid Crystal Display (LCD) is to place liquid crystals between two parallel pieces of glass. There are many vertical and horizontal fine wires between...[Details]
Overview
Lightning is a strong discharge phenomenon that occurs between thunderstorm clouds and between thunderstorm clouds and the earth due to severe convective weather. Lightning is gen...[Details]
China Energy Storage Network:
At the Boao Forum, Zhu Min, the current dean of the National Institute of Finance at Tsinghua University, said: "When talking about blockchain, we must first sep...[Details]
China Energy Storage Network News:
The State Grid Corporation of China, this elephant, is planning to turn around and enter the emerging power service market.
The rallying cry for the tr...[Details]
In the project, CPLD is needed to complete part of the algorithm design. The parameters are given by AVR, so the communication between AVR and CPLD needs to be completed. Therefore, a test program is...[Details]
What is SYSTICK: This is a 24-bit system tick timer, SysTick, with automatic reload and overflow interrupt functions. All microcontrollers based on the Cortex_M3 processor can obtain a certain time ...[Details]
This paper combines embedded control technology with network control technology to realize the design of temperature control system based on single chip microcomputer through Internet control. Th...[Details]
Independent watchdog (IWDG) and low power mode are often used in STM32 development. The watchdog is to detect and solve faults caused by software errors, and the low power mode is to enter sleep mode...[Details]