I made a temperature control system using DS18B20 and relays. I initially set the data port of 18B20 to P1.0, but I made a mistake when soldering the board, so I changed it to P1.1. However, it doesn'...
After the partial solar eclipse last year, an annular solar eclipse is coming again. Unfortunately, I am not in the annular eclipse zone, so I can only see a partial solar eclipse.Filmed by CCTV, borr...
[i=s]This post was last edited by fish001 on 2018-1-17 22:12[/i] [p=28, null, left][color=rgb(63, 63, 63)][size=3][b]The definition and generation method of SPWM wave will not be explained here. This ...
Taking LED lamps, lamps and their current status as the entry point, based on the relevant definitions of LED lamps and lamps, the characteristics and current problems of LED lamps are analyzed, and c...
Dear heroes, please help me, otherwise I won’t be able to go home for the New Year.
Recently I am using the WebEye V2000 camera (ov511+ov7620). The development board I use is TI's OMAP3530, and the ch...
Introduction In recent years, the application of Internet and network has been rapidly popularized and continuously expanded to the home field, making the integration trend of consumer electronics...
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]
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 Guang...[Details]
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[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]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
FPGAs are used in 81% of electronic systems, including many commercial and defense products, and most FPGAs use BGA packaging. The BGA packaging is characterized by small solder balls and small sol...[Details]
Investment in
the
medical device
industry has been on the rise in recent years. In the past two years, venture capital for medical devices has almost doubled, reaching $4 billion in 2007. Fr...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
Recently, news came from the certification department that the photovoltaic grid-connected inverter of Samil New Energy Co., Ltd. (hereinafter referred to as "Samil New Energy") has once again obta...[Details]