When porting dm9000a to pxa270, I used the dm9000a driver from Youlong. I found that the driver died when it executed DeviceReadPort. The chip select signal was high at the beginning, but it was alway...
Compared with lead-acid batteries, nickel-cadmium batteries, and lithium-ion batteries, energy storage capacitors have the advantages of energy saving, ultra-long service life, safety, environmental p...
[i=s]This post was last edited by Xianjing on 2020-11-13 10:15[/i]Preface: In real life, many of the things we hear and see are analog and continuous. But we need to observe the changes of these pheno...
A function library from the foreign TM master. It does not occupy the delay function of the timer and Systick. It uses DWT, which is very clever. It does not occupy any timer or systick to achieve pre...
I am very fortunate to be a reviewer of GigaDevice's GD32E503V-EVAL development board.Because I am engaged in the design and development of software and hardware for smart home products, I am exposed ...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
1. Introduction
This design was made for participating in an electronic design competition. It effectively solved the problem of the operation and control of an electric car on a seesaw. The s...[Details]
With the advent of increasingly powerful processors, image sensors, memory, and other semiconductor devices, as well as the algorithms that enable them, computer vision can be implemented in a wide...[Details]
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[Details]
My colleague and I spent the day chatting in the hotel bar. We had met with several customers. We were both wondering how come these engineers we were meeting knew almost nothing about analog techn...[Details]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
In the analysis of electronic circuits, static analysis (also known as DC analysis) is the basis of circuit analysis. However, it is well known that electronic components are nonlinear, so the anal...[Details]
RS-422 and RS-485 are both serial data interface standards, which were developed and published by the Electronic Industries Association (EIA). RS-422 defines a balanced communication interface with a ...[Details]
As people's requirements for safety and comfort in the process of driving cars continue to increase, automotive radars are widely used in the car's adaptive cruise system, collision avoidance syste...[Details]
Describe how to meet the challenges of complexity with a modern wiring design toolset. Option codes and expressions can simulate the variables of an automotive project. A full-featured tool suite c...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
Portable power applications are broad and varied. Products range from wireless sensor nodes with average power consumption of only a few microwatts to in-vehicle medical or data acquisition systems...[Details]
This article introduces a high-reliability, high-power automatic water supply device made with 89C2051 single-chip microcomputer, which has phase loss detection, over-temperature detection, over-cu...[Details]