1. AT+CDMSORIP=1 error occurs, I don't know why 2 There is also a problem with the server. I use this machine to connect to the server, but I don't know why I can't connect. The code is: AT+CGATT=1 AT...
I just saw a post from a friend, saying that it is urgent to "boycott Kaixin and Xiaonei". At the same time, I heard my colleagues in the office sharing their experience of stealing tomatoes on Kaixin...
PB11 is set as output, and the capacitance on this IO port may be as high as 105. If no load is connected, the waveform can be output, but it is easily interfered by other signals, and there will be p...
[size=14px]When analyzing PWM rectifiers and inverters, the analysis method of rotating coordinate transformation is often used. [/size] [size=14px]The reason is that the quantities on the AC side are...
AD21 I changed the * key for drilling holes during wiring to 4. There is no conflict with other shortcut keys, but it does not work after the modification. When I press 4 during wiring, the hole will ...
Recently, I need to implement a wide-line dot matrix printer connected to the USB port in WINCE5.0. I wonder if there is a good solution? If the printer manufacturer has a good driver under wince, it ...
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
This paper designs a dot matrix LED text display screen that is easy to update, expandable, and low-cost. The way to reduce costs is
① Use the Bluetooth data transmission function of mobile ph...[Details]
PV inverter manufacturer SMA has launched its first DC arc fault circuit interrupter (AFCI) PV inverter and has received UL certification.
The new SunnyBoy AFCI inverter models include 3000-US...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
Spatial Division Multiplexing (SDM) MIMO processing can significantly improve spectrum efficiency and thus greatly increase the capacity of wireless communication systems. Spatial Division Multip...[Details]
LED light sources have many environmental advantages, but early products still have certain technical bottlenecks in heat dissipation and high brightness design that cannot be broken through....[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[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 automotive power electronics market has grown rapidly as comfort and active safety features become more common. As traditional mechanical functions shift to electronic applications, the demand ...[Details]
introduction
Belt drive is a common transmission device used in industrial production. Its commonly used speed detection device is a photoelectric encoder installed at the rotating end of th...[Details]
introduction
Sudan's Muglad Oilfield is a large oilfield jointly invested, developed and constructed by a four-party consortium of China, Malaysia, Canada and Sudan. It consists of 8 satellite...[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]