[p=26, null, left][color=#000][font=Arial]1, VDSS (breakdown voltage): This voltage should be selected appropriately, generally twice the peak value of the added voltage. [/font][/color][/p][p=26, nul...
I want to use STM32F4 to read and write micro SD card through FATFS file system and SDIO, but I found that I can create txt file, but I can't write data into it. What's going on? As shown in the figur...
[align=left][size=14pt][b]Introduction
[/b]The [i]phase-locked loop[/i] (PLL) is a fundamental building block of modern communication systems. [url=http://www.analog.com/en/rfif-components/pll-synthes...
I saw everyone has soldered the FPGA board today, and I feel a little ashamed, because there was a problem with the board last time, and I have not soldered it again these days because I am busy with ...
The combination of multiple PHY6220 can be applied to various scenarios, using one of them:Start building the project directly. This time, two projects, mesh_light_node_demo and mesh_switch_node_demo,...
Looking for a part-time job, have a small job to outsource, Dopod mobile phone uses CSocket method to communicate with the internet (public network), it is not difficult to implement, requires success...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
Every time I go home and walk up the stairs, I am always scared. The corridor lights are often broken, and no one changes the bulbs, or they are not smart enough and need to be operated manually. E...[Details]
The capacity of a battery depends on the amount of charge and discharge, in addition to some factors of the battery itself. Obviously, if the charge and discharge of the battery can be recorded all...[Details]
The principles to be followed are as follows:
(1) In terms of component layout, related components should be placed as close as possible. For example, clock generators, crystal oscillat...[Details]
As a new type of centralized and decentralized elevator control system, serial communication has been widely used in China. Compared with the previous centralized and unified control system, each s...[Details]
Abstract: Based on the analysis of the characteristics of the IRIG-B (DC) code type, a design method for IRIG-B (DC) time code decoding is proposed. This method consists of a small number of periph...[Details]
Traditional synthesis techniques are increasingly unable to meet the needs of today's very large and complex FPGA designs implemented in 90nm and below process nodes. The problem is that traditio...[Details]
At present, single-chip microcomputers have been widely used in home appliances, medical treatment, instrumentation, industrial automation, aerospace and other fields. The more popular types of sin...[Details]
Reliability and real-time performance are the basic requirements for control systems. Initially, motor control used analog circuits with discrete components. With the advancement of electronic tech...[Details]
Hollysys' LM series PLC products fully consider the difficulties in integrating machines, equipment and subsystems in large control systems, and provide a variety of open communication protocols and i...[Details]