'Open, write, and read programs, but the read data is empty. I don't know why. Please give me some advice! Private Sub Form_Load() Dim Instring As String 'Use COM1. MSComm1.CommPort = 1 '9600 baud, no...
The integrated circuit industry is about to usher in a good yearSource: Daily Economic News 2006-09-13 09:021. The industry continues to grow rapidly. According to the research of IDG, a well-known ma...
[i=s]This post was last edited by bbxyliyang01 on 2019-10-12 21:19[/i]Day 1 Installation of PIC microcontroller compilation environment
There are relatively few introductory or learning materials ab...
The DE-15 interface of the LOTO oscilloscope provides various hardware resources. Here is an open source simple DIY expansion board PCB, which is compatible with any LOTO oscilloscope model. We will p...
Does anyone have the sample code for "Windows CE Practical Development Technology" by Zhang Dongquan? If anyone can get the source code or compile it yourself, please send me a copy. I will be very gr...
I am debugging a GSM mobile communication experiment box (GSM base station). Its main function is to realize GSM900/1800 network access, base station calling, mobile phone calling, and spectrum measur...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[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]
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[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]
According to the Industrial Technology Research Institute of Taiwan, due to factors such as the oil crisis and global warming, the issues of energy conservation and environmental protection have at...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
A few days ago, I bought an 8LED flashlight in the market (the flashlight uses No. 5 batteries). Because I had other things to do, I didn't pay attention when purchasing it. When I got home and use...[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. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[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]
In some motion control systems with simple control or low cost requirements, stepper motors are often used as actuators. The biggest advantage of stepper motors in such applications is that they ca...[Details]
Embedded System
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