[size=4]After N long hours of debugging, my lazy remote control is finally completed. First, let's take a look at the effect [media=x,500,375]http://player.youku.com/player.php/sid/XMTM3NDg4NTEyMA==/v...
Powerline modems are devices that transmit signals based on power lines. They enable homes or small offices with the same circuit loop to build a local area network through existing power lines. For h...
I didn't pay attention to the heating problem of 2812 before.Now, when the 2812 runs at 150M,I accidentally touched the chip and found it was quite hot.I want to ask, is it true that the 2812 will not...
[i=s] This post was last edited by qwqwqw2088 on 2014-7-28 17:36 [/i] 1. Design topic: 12V battery step-down output 9V2A circuit. The circuit parameters are proposed as: input 10V-15V, output 9V2A 2. ...
My original intention is to use a server and a client to communicate with each other like socket programming, the only difference is that it is through a USB cable instead of a network cable. Please g...
Unipolar Isolated Power Factor Correction (PFC) ConverterOne of the main development trends of modern switching power supplies is to improve the power factor of the input end of the AC/DC converter an...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
1 Introduction
Intelligent control instruments are one of the most commonly used controllers in industrial control. They are mainly aimed at a specific parameter (such as pressure, tempera...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[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]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
Renesas Electronics MCUs
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