I want to make a coin detection device, using parallel port communication. Enter the running system, and you can choose different games to play. I use the API to execute the exe program to run the gam...
[i=s]This post was last edited by dontium on 2015-1-23 11:38[/i] [url]deyisupport./blog/b/analogwire/archive/2013/11/27/i2c.aspx[/url] I just checked the information of ISO7231 and P82B96. They are re...
The DM9051NP SPI interface Ethernet module is a solution developed by DAVICOM and Nuvoton to facilitate Ethernet communication in embedded microcontroller systems. The DM9051NP chip is an independent ...
Frequency locking is only used in the DT test process, under the condition of being in a relatively open area and the wireless environment is not too complicated. The frequency point seen under the st...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
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]
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]
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]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[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]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
Energy conservation and environmental protection are the main directions of current automotive technology research, and power batteries are the key to electric vehicle technology. Research on powe...[Details]
Introduction
my country's rapid economic growth is mainly due to the development of manufacturing and the acceleration of urbanization. However, urbanization cannot be achieved at the expense ...[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. Introduction
AS-Interface bus technology is an intelligent network that uses a single cable to connect sensors and actuators to controllers, transmit data, and provide power. It can be used...[Details]
Some people believe that hybrid vehicles are just a transitional product, and the ultimate goal of developing new energy vehicles is electric vehicles. Therefore, China should skip hybrid vehicles ...[Details]