I've been developing drivers for Win2000 recently. I made a filem.sys file, which is loaded as a "driver device" (I'm not sure if it can be called a driver device) when executed by the filemon.exe fil...
I accidentally set the boot time to 0, and now I enter the system directly after booting, and I can't re-burn it. I also need to read this time when I boot from the SD card again. I want to fix the ti...
The PCB engineering files of the core route FPGA learning motherboard schematic diagram are open source and shared for students who need to download and study.Note that the learning board is different...
First, understand the concepts of virtual short and virtual short:
Virtual short: Since the voltage gain of the op amp is very large, the open-loop voltage gain of general-purpose op amps is generally...
[i=s]This post was last edited by dcexpert on 2016-5-18 11:03[/i] [b]MicroPython Official Tutorial[/b] (This is translated from the official website. Currently, only the title has been translated. I w...
In the past, ASPI was used for high-speed reading and writing of SCSI disks, which was very convenient. Now the high speed of SAS disks has made us switch to SAS disks. So, under SAS disks, can ASPI b...
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. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[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]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[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]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[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]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
The era of mobile access to the Internet has arrived, and it will rapidly change the business and infrastructure needs of mobile operators under a whole new trend of requirements. We need 4G LTE to...[Details]