System: S3C2440 + WINCE5.0 Purpose: Use COM2 of S3C2440 to communicate with the serial port of external devices. Process (1) First use the serial port debugger in WINCE to send 50 hexadecimal protocol...
1. When entering a title when posting:It clearly says that the title can still be entered. ! 2. But after posting, the following situation occurs:3. The annoying thing is that when you return to the p...
WiMAXThe main members of the WiMAX (Worldwide Interoperability for Microwave Access) Microwave Access Global Interoperability Certification Industry Alliance include equipment manufacturers, device su...
This article about sine wave control of brushless motorsis of great reference significance for understanding SVPWM. It is a must-read for FOC control....
Common faults of building intercom
1.0 Cannot unlock
1. All users cannot unlock the device
Possible reasons: a. Check whether the wiring from the door phone to the power supply and from the door phone...
[Magical! Engagement ring lights up to indicate fiancé is nearby] In order to propose to his girlfriend, American engineer Ben Kokes made an "LED light-up ring". This is a magical ring. As long as he ...
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
1 Introduction
As an emerging microfabrication technology, micro-electromechanical system (MEMS) technology has begun to be applied in various fields. It can integrate functions such as inform...[Details]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
Flooded Batteries
This battery developed in Germany can be used to power flashlights, strobe lights and toys as long as it is filled with water. This battery can be stored for 50 years and can...[Details]
Introduction
Liquid crystal, as a display device, is widely used in low-power products such as instruments, meters, and electronic equipment with its unique advantages. In the past, the displ...[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]
1 Introduction
With the rapid economic development, my country's electricity demand has been growing at a rate of more than 20% per year. According to the current economic development trend an...[Details]
Don’t just look at the power when choosing a power supply
We know that a power supply with a low rated power can hardly meet the power supply needs of the system, which may cause frequent free...[Details]
introduction
Belt drive is a common transmission device used in industrial production. Its commonly used speed detection device is a photoelectric encoder installed at the rotating end of th...[Details]
If users want to extend the effective use time of the battery, in addition to ensuring the quality of the charger, correct charging techniques are also essential. Here are 14 tips for charging mobile ...[Details]
1. Driver IC Product Range
IR provides users with a variety of driver integrated circuits from single-phase to three-phase bridge. All types use highly integrated level conversion technol...[Details]
At present, products in the field of monitoring generally focus on the field level, that is, the client/server (C/S) model is adopted, the purpose of which is to ensure the stability and reliability o...[Details]
According to a survey by the International Energy Agency, Asia and Australia used 1.65 trillion liters of oil for energy in 2004. The survey also showed that since 1990, the demand for oil has been...[Details]
The construction of voltage and current feedback amplifier application circuits is generally the same, except for a few key points.
Current feedback amplifiers have higher sl...[Details]