[i=s]This post was last edited by paulhyde on 2014-9-15 09:40[/i]I. Summary of the 2007 Competition Organization The organization of the National Undergraduate Electronic Design Competition has always...
【LPC54100】LPC54102 Let M4 transmit pulse output purpose: to output the liquid level (angle) percentage as a pulse with a frequency of 0~10000HZ //Frequency output P0. The output frequency of pin 19 oc...
[size=4]Many battery users are not aware that consumer-grade lithium-ion batteries cannot be charged below 0°C. Although the battery pack may appear to be charging normally, metallic lithium plating m...
[i=s]This post was last edited by paulhyde on 2014-9-15 08:57[/i] I think it's quite insightful. Analysis of the 2009 pre-competition questions 1. Analysis Based on the list of basic instruments and m...
After getting the 811 development board from the forum, I played with it for a while. There was no problem running the program naked in IAR6.10, but it didn't work when I tried to port UCOS-II. I don'...
This chapter aims to help developers understand the startup process of Tuya SDK through a simple demo, and guide developers to perform secondary development of modules based on the SDK provided by Tuy...
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet 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. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[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]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
introduction
Steam turbines are driven by high-temperature and high-pressure steam generated by boilers to run at high speed. They are key power equipment in thermal power plants. The emergenc...[Details]
As the global LED market demand continues to increase, my country's LED industry will face huge opportunities in the future. However, the core LED technology and patents are basically monopolized b...[Details]