Private Sub Command1_Click() Dim lRet As Long lRet = CreateProcess(CStr("PegHelp.exe"), CStr("file:\Windows\srwcontent.htm"), 0, 0, False, DEBUG_PROCESS, 0, 0, 0, 0) End Sub The above is my EVB code. ...
[i=s]This post was last edited by Zhao Yutian on 2022-8-31 15:52[/i]The employment of highly educated professionals has once again sparked heated debate. Four years ago, Dr. Liu Benliang, who graduate...
Modbus RTU: A serial communication bus protocol based on RS485/RS232 developed by Schneider.
Modbus TCP: An Ethernet-based communication bus protocol developed by Schneider.
CJ/T188-2004: China's urba...
[align=left][font=宋体]Seeing many forum friends light up their own TFT screens, I also flashed a small 2.4-inch screen. This time, the driver used was the hardware SPI driver of OLED from last time. I ...
I am using the S3C6410 development board developed by my company, Nandflash, no Norflash, and SJF6410. When I use Jtag to burn STEPLDR.nb0 (4k), I use the DWN serial port tool to detect and find that ...
The following five positions are open for recruitment. The salaries are absolutely attractive. The work locations can be Beijing, Shanghai and Shenzhen. Those who are interested can add MSN: evaww20@1...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[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]
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]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]
The production process of lithium batteries does not mention the previous processes such as material preparation, winding, liquid injection, and packaging, but only talks about the final formation ...[Details]
1. Brief Introduction
With the continuous development and improvement of single-chip microcomputer technology, single-chip microcomputers have been widely used in all walks of life, and ...[Details]
Button cells (also called button cells) are those batteries with equal or larger diameter and height. The current size range of alkaline button cells is specified as follows: diameter 4.8mm-11.4mm,...[Details]
As a type of iron battery, lithium iron phosphate battery (hereinafter referred to as lithium iron battery) has always been widely concerned by industry friends (some people say that lithium iron b...[Details]