The program I wrote needs to be improved. Let’s discuss it together! By the way, I’d like to show you the MAQ PC91 wireless headset. It just arrived this afternoon! Let’s communicate together! extern ...
[i=s]This post was last edited by qwqwqw2088 on 2016-1-8 21:25[/i] [p=19, null, left][size=13px] When I was a kid, my mom always told me to carry enough change in case I needed to make a phone call in...
I beg for advice from all the experts: My problem may not be a big problem, but I have really run out of ideas.
I use Keil Uvision3, running in an XP virtual machine under the Windows 7 operating syst...
I am reading about multithreading, and I am reading Win32 Multithreaded Programming. The book is good and suitable for beginners, but I only read the book and there are no examples for practice. I am ...
I have never studied the algorithm code of drawing graphics and drawing lines in 12864. I just used the common text and character display functions. Recently, the weather has cooled down, so I thought...
[i=s] This post was last edited by NB88 on 2015-5-28 15:37 [/i] Isolated LED power driver chip TW9022 (maximum 5W) data Non-isolated LED power driver chip TW9833D (maximum 24W) data Low power AC-DC po...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[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
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[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]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[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]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[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]
1 Development of LED Film and Television Lighting
1.1 The significance of developing film and television lighting
Lighting power consumption accounts for a large proportion of the total p...[Details]
The production process of lithium batteries does not mention the previous processes such as material preparation, winding, liquid injection, and packaging, but only talks about the final formation ...[Details]
Mobile phones, MP3s, tablet computers, laptops, digital cameras, handheld game consoles, navigation devices, etc., all these mobile devices are powered by mobile batteries, and the battery life is ...[Details]