[backcolor=rgb(255, 255, 255)][font=Arial, 宋体][size=14px]Shenzhen Yangchuang Technology's Android industrial tablet computer is based on the Cortex-A8 architecture and supports Ethernet, serial port, ...
System: CE5, Development Tool: EVC4 Use DirectShow to develop an MP3 player, and the function has been realized. But I will find a problem when testing tomorrow. Let me describe it first: Play MP3, cl...
By: Doug Mercer, Consulting Fellow, Antoniu Miclaus, System Applications Engineer, Analog DevicesThis article will focus on stable current sources using bipolar junction transistors (BJTs) and NMOS tr...
In the transistor amplifier circuit, the AC equivalent circuit says that the DC power supply with no internal resistance is considered to be a short circuit. This DC power supply is a voltage source, ...
[align=left][color=rgb(0, 0, 0)][font=sans-serif][size=13px]Linux Development Tools Instructions [/size][/font][/color][/align][align=left][color=rgb(0, 0, 0)][font=sans-serif][size=13px]1. Run the up...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[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]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[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]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[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]
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]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
IntroductionLED
billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]