http://list.taobao.com/browse/0/n-49fdf9c8acf96f2143af9ddf065e483a---------------40--commend-0-all-0.htm There are still some books being uploaded. In Shanghai, express delivery is 5 yuan. 80486 Micro...
The amount of customer flow in actual operation of shopping malls and supermarkets directly determines the sales of a shopping mall or supermarket. In today's rapidly developing retail industry, the t...
When making a perpetual calendar, the function fput() keeps not popping up, and I don't know why?int fputc(int ch, FILE *f){/* Send the Printf content to the serial port*/USART_SendData(USART1,(unsign...
The component definition is as follows component jishuqi port(clkr:std_logic; outer:out std_logic; buf :inout std_logic_vector(7 downto 0)); end component; There are no other errors, except for the po...
Work location: Caohejing, Shanghai Job nature: Full-time 1) Bachelor degree or above, major in electronics, communications or computer science. 2) Experience in embedded system driver development for ...
When a low-frequency signal is transmitted over a short line, its reflected power wave is ignored and only the incident power wave is counted. If the terminal is open, where does the incident wave go?...
Some time ago, I attended the 4th Energy Chemistry Forum of the Chinese Chemical Society and learned about high-energy-density and high-safety batteries. I would like to summarize and share this wi...[Details]
1 Source of creativity
With the further development of electronic technology, electronic pets have gradually entered people's family life. At present, there are two main categories of relative...[Details]
With the development of science, the use of variable frequency technology is becoming more and more widespread, and it is used in both industrial equipment and household appliances. Inverter air co...[Details]
Permanent magnets are essential components in a wide range of household and industrial devices. They are particularly crucial in the renewable energy sector, including electric vehicle motors. Curr...[Details]
Inverter power supplies on the market can generally be divided into two categories: sine wave inverters and square wave inverters. Some engineers also like to categorize pure sine wave inverters as...[Details]
Today, the voltage of electronic products continues to rise to 400V, 600V and even 1000V, so there are few electronic load models that can handle such high voltages. Many people consider connecting...[Details]
With rapid economic development, the types of pollution sources are increasing, especially in chemical and industrial zones and their surroundings. The patterns of pollution and the types of ecolog...[Details]
ESD protection diodes are specialized for small-signal ESD protection or surge protection TVS arrays, often used for multi-circuit protection. Their small package size, low on-state voltage, high i...[Details]
Deep in the laboratory, a seemingly ordinary piece
of
battery
material
was fed into the China Advanced Research Reactor (CARR). Scientists activated the neutron depth profiling device,...[Details]
Shock absorbers, as the name implies, are responsible for cushioning and absorbing shocks in a car. So how much do you know about shock absorbers and how to replace them in electric cars?
...[Details]
The basic structure of the power grid dispatching automation system includes three parts: control center, master station system, plant terminal (RTU) and information channel. According to the diffe...[Details]
introduction
Whether in the automotive entertainment or home theater system markets, consumers continue to demand more channels and speakers, each capable of handling higher audio po...[Details]
Silicon carbide (SiC) power switching devices are becoming a popular choice for industrial battery applications due to their ability to achieve faster switching speeds and superior low-loss operati...[Details]
introduction
By the end of 2014, people aged 60 and above in China accounted for 15.5% of the total population, reaching 212 million; those aged 65 and above accounted for 10.1% of the total, ...[Details]
HEVO, a developer of wireless charging infrastructure for electric vehicles, and STEER Tech, a company specializing in high-precision autonomous vehicle technology for fleet garage operations, anno...[Details]