I recently encountered a problem, that is, if one register minus another register is a negative number, how should the difference be represented after it is assigned to the register?
I did a simulatio...
Now my hardware connection is like this: p0.7 p0.1 p0.0 of the MCU are connected to cs A1 and A0 of 8255 through latches respectively. The hardware address I calculated is like this: D8255 EQU FF73H; ...
[i=s] This post was last edited by yuanlai2010 on 2014-7-12 22:05 [/i] [align=center][b][font=楷体, 楷体_GB2312][size=6][color=#0000ff]The third part of bare metal - simple breathing light [/color][/size]...
I found a kernel driver code on the Internet. I set up the environment XP SP3+VC++6.0+WINDDK FOR XP +DRIVESTUDIO3.2. The code ran and generated a .SYS file, but I don't know how to run it. Can anyone ...
A parallel inverter consists of two thyristors (T1 and T2), a capacitor, a center-tapped transformer, and an inductor. The thyristors provide a current path, while the inductor L maintains a consta...[Details]
In recent years, many people have switched to new energy vehicles, and this type of vehicle has indeed been highly sought after and is considered the future direction of automobile development, and...[Details]
The mass production process of the new generation of cockpit platform has started, and the smart cockpit market has entered a new bonus cycle of technology iteration and platform upgrade.
...[Details]
In recent years, the government has increasingly supported electric vehicles, and the number of electric vehicles has increased. Observant drivers will notice that there are many more green license...[Details]
Multi-touch mobile phone
Multi-touch is a system that can respond to multiple touches on the screen at the same time. Multi-touch phones are divided into capacitive and resistive types. Capaci...[Details]
introduction
Sonar imaging is of great significance in marine resource development and defense. Its long range, intuitive display of the observed area, and target identification make it widely...[Details]
According to foreign media reports, Ford Motor has applied to the U.S. Patent and Social Security Office (USPTO) for a patent for a door anti-collision system that may be used in future Ford vehicl...[Details]
There are more and more electric vehicles. Recently, I have heard some news about electric vehicles performing poorly in winter. I would like to briefly introduce whether heat pump technology is mo...[Details]
Tires are a very important component for cars. They are related to the driving experience of the vehicle. We are almost inseparable from cars in our daily lives. For tires, according to the role of...[Details]
Wearable technology is taking off, with applications evolving rapidly, from smartwatches to fitness trackers and even smart wigs! Bluetooth Smart is at the center of this revolution. This is the se...[Details]
The composition of the water heater
The water heater itself is divided into the following parts:
1. Water tank.
This is where the water heater is filled with water and where the wate...[Details]
introduction
With the development of the information superhighway and the internet, broadcast television has become increasingly widespread worldwide. Television information has emerged in var...[Details]
Let’s first take a look at the development concept of the EVD series.
The EVD control module is specially developed for operation in extreme environments. Components that meet these requiremen...[Details]
The number of new energy vehicles in use is increasing, and there are multiple choices available. New energy vehicles can be divided into hybrid and pure electric, and the types of hybrid include m...[Details]
summary
NFC (Near Field Communication) is a short-range, high-frequency wireless communication technology that allows contactless, point-to-point data exchange (within ten centimeters) between...[Details]