Is it a charging pile? OBC, or off-board charger, needs to be connected to a charging pile according to the information. Does OBC also need to be connected to an off-board charger?...
I can't figure out why my board and data cable are put on my friend's computer, and then I use mucisp to burn, and it responds, but on my computer, it's just the LCD hanging out. Is there something el...
There was no problem before. Now it finally prompts error menubox.c:(.text+0x3a9): undefined reference to `wrefresh' scripts/kconfig/lxdialog/menubox.o: In function `print_buttons': menubox.c:(.text+0...
[size=4][color=#4169e1][b]Internet of Things, automobiles, home entertainment, wireless, touch, all you can't imagine! [/b][/color][/size][url=https://www.eeworld.com.cn/training/Atmel/][b][size=5][co...
Recently, the company introduced a batch of chips with model number HYM8563. The relevant technical parameters are not clearly marked. If anyone knows about the information of this company and the des...
I used the same AT command to send it to the mobile phone module in the hyperterminal and in the code mode. The former can receive the result but the latter cannot. What is the reason? I think it is a...
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[Details]