1. Using AT89C51 microcontroller as the core, design a small system that includes at least keyboard (interrupt), display ( LED and digital tube) and memory. Requirements:
1.Please draw a functional bl...
We are now in urgent need of programmers who can do Linux C/C++ embedded development in Wuhan, mainly for mobile phone interfaces. Therefore, we need people with experience in interface development. P...
After the board is started, it outputs some debug information such as "HW_Init, PWR_Init, PWR_Open, PWR_IOControl, PWR_Close", and then no more debug information. The information output is in the smdk...
[b]Texas Instruments Wireless Connectivity Solutions[/b][align=left]Texas Instruments wireless connectivity solutions provide multiple ways for people, things, and cloud services to connect to the Int...
[i=s]This post was last edited by paulhyde on 2014-9-15 03:37[/i]I think this logo is very familiar to students who participate in electronic competitions, but do you know where this logo comes from a...
Wince system wants to print Chinese characters, and the result of printing with unicode encoding is a box. What encoding method should be used? GBK UTF can't do it? Urgent...
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
People who often surf the Internet until late at night, their families always complain that turning on the big lights in the living room affects their rest, but some people don't have keyboard ligh...[Details]
The overall operating performance of an electric car depends first on its battery system and motor drive system. The drive system of an electric car is generally composed of three main parts: a con...[Details]
Designing low power circuits while achieving acceptable performance is a difficult task. Doing so in
the RF
bands increases the challenge dramatically. Today, nearly everything has wireless...[Details]
1 Introduction
CAN (Controller Area Network) bus is a kind of field bus. It is used in many industrial sectors due to its outstanding advantages such as high performance, high reliability, high...[Details]
Current sensing in automotive applications includes controlling the current through solenoids and injectors. For example, during diesel injection, we rapidly increase the current to the induction i...[Details]
Single-chip microcomputer is the abbreviation of single-chip microcomputer. It is made by integrating CPU, ROM, RAM, TIMER/COUNTER and input/output interface (I/O) on a large-scale integrated circu...[Details]
The use of power switches is complex and confusing to most electronic product designers, especially those who are not experts in power management. Power switches are increasingly being used by desi...[Details]
At present, the DES algorithm is increasingly used in confidential communications in the financial and non-financial sectors. DES (Data Encryption Standard) is a data encryption algorithm that was suc...[Details]
1. Introduction
Industrial fieldbus technology is one of the technologies that has received the most attention in the automation industry in recent years, and it has brought a qualitative leap...[Details]
Typically, buck regulators are designed for continuous mode operation, which simplifies output voltage calculations and system design. However, if the system is non-synchronous and required to oper...[Details]