I am debugging a PXA270 board. The power chip is MAX1586B. I communicate with 1586B through the I2C bus of the PXA270 power management module. Now I want to increase the main frequency of PXA270. I ch...
I am currently working on using MTD2009J to drive stepper motors. I would like to ask the experts to give me some advice on the motor subdivision algorithm. It would be even better if you can provide ...
[b]Hello everyone! My last name is Liu! Our company is located in Guangzhou. It is a very small company for the time being, but we have ideals and goals. We hope to make a name for ourselves and have ...
Place three resistors with " Lib Ref " as "RES1 " in the editing area . Now change the names of these three resistors to 100k and the package names of the components to AXIAL0.3 . Take one of the resi...
Is there any group for drawing PCB, or QQ for drawing PCB, which is for experts? I am a novice and have just started to design PCB. I may encounter some problems in the learning process. I want to add...
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]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[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]
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]
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]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[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]
With the popularity of digital appliances, rechargeable batteries can be seen everywhere in people's daily lives and have become one of the indispensable daily necessities.
This article gives ...[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]
The principles to be followed are as follows:
(1) In terms of component layout, related components should be placed as close as possible. For example, clock generators, crystal oscillat...[Details]
0 Introduction
PROFIBUS is an open digital communication system with a wide range of applications, which has been included in the international standards IEC 61158 and IEC 61784. Since the gen...[Details]
Abstract: Based on the analysis of the characteristics of the IRIG-B (DC) code type, a design method for IRIG-B (DC) time code decoding is proposed. This method consists of a small number of periph...[Details]
Traditional synthesis techniques are increasingly unable to meet the needs of today's very large and complex FPGA designs implemented in 90nm and below process nodes. The problem is that traditio...[Details]
Stepper motors, also called steppers, use the principles of electromagnetism to convert electrical energy into mechanical energy and have been used since the 1920s. With the increasing popularity o...[Details]
Embedded System
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