Now I want to connect the arm development board to the video server, RJ45 interface, and I checked the detailed introduction of a video server, which said "support SDK secondary development". I want t...
I wrote a WinCE program and the ctoolbar is at the top of the screen in VC6. Is the position correct? I can transfer the same code to VS2005 and the ctoolbar moves to the bottom of the screen. Is it b...
At present, the common mode rejection ratio of most instrument amplifiers on the market begins to decay at 200Hz, making it difficult to meet certain design requirements. However, the gain programmabl...
It is recommended to take humanity as the main consideration when designing cloud security. As the main users of our contemporary computers, we are always pursuing and improving both in terms of quant...
1. Performance characteristicsTDA2030 is a high-cost integrated amplifier with good sound quality, low price, few peripheral components and convenient application.Its electrical performance is stable ...
[color=#000][font=Arial, Helvetica, sans-serif, 宋体]Google recently showed the latest progress of the modular mobile phone project Protect Ara and the prototype assembled through the platform. Accordin...
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]
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]
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]
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[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]
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]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[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]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[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]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]