I would like to ask, for NPN tubes, does the leakage current ICEO refer to the flow from C to E or from E to C?Another question is, I want to see what is the maximum current that can flow through the ...
[size=4]This week, I recommend a development board from the mobile station: [/size][size=3]DA14580DEVKT-B Bluetooth Development Kit[/size][size=4]. This development board was very popular for a while....
[align=left]When many people think of smart meters, they think of electricity meters, but after seeing the advantages that smart meters bring to the electricity meter market, such as providing consume...
It has been a while since I received this book. When I opened the express delivery, I flipped through the catalog and the contents. I felt that the content was very good and suitable for students with...
I was lucky enough to be selected in the last event and had the opportunity to receive a sample for evaluation.I have come into contact with Gizwits before. At first, I bought a socket solution from a...
According to a newly approved patent application, Apple is working on a one-way mirror finish, a wireless charging system, and a charging stand for head-mounted devices. In a patent filed with the U....[Details]
What kind of person can be called an "experienced driver"? Is it the driving god of Akina Mountain or a person with level 10 road rage? "There are thousands of roads, but safety comes first." No ma...[Details]
The Shanghai Stock Exchange Science and Technology Innovation Board Listing Committee held the 35th review meeting in 2019. According to the review results, the initial public offering of Shenyang Xi...[Details]
The figure below shows the logic circuit of the TTL NOR gate and its representative symbol.
As can be seen from the figure, the NOR logic function is an improvement on the structure of t...[Details]
This infrared thermal imager can be worn on the head or installed on a helmet. It does not need to be held in hand and is easy to use. It uses a unique uncooled focal plane sensor and is designed acco...[Details]
A complete wireless charging system consists of two parts: the TX end and the RX end. The structure of wireless charging is similar to a hollow transformer, and energy transmission is achieved thro...[Details]
In April this year, Ningbo, Mayor of Wuhu City, Anhui Province, and Yin Tongyue, Chairman of Chery Group, visited Nidec's headquarters in Kyoto and had in-depth exchanges with Nidec Co., Ltd. on econ...[Details]
China Radio and Television, the full name of which is China Radio and Television Network Co., Ltd., is responsible for the relevant business of cable television networks across the country. Chi...[Details]
For traditional passenger cars, the fuel tank is the only practical source of energy, so manufacturers seek to save energy in all automotive systems, including electronic systems, to further impro...[Details]
When controlling a group of LEDs for lighting applications, the relationship between LED brightness and electrical power is a key technical indicator that determines the quality of visible light. I...[Details]
This article introduces the main features, block diagram, typical application block diagram of WM2002, and recommended external component values and DC1 boost converter and charge pump external...[Details]
ABB basic operation setting instructions
1. The robot power distribution cabinet needs wiring
The compact distribution cabinet requires us to short-circuit the IO board.
The short-ci...[Details]
China Energy Storage Network News:
On October 1, the East China Branch of State Grid Corporation of China carried out a four-level dispatching coordinated interactive response test of ubiquit...[Details]
First look at the address line of 2440: mini2440 schematic.pdf
The 2440 chip provides 27 address lines = 128M.
The S3c2440 chip only provides 27 address lines addr on the pins provi...[Details]