? 1 Why can antennas transmit or receive radio signals?
? 2 What antenna classification methods do you know?
? 3 What are the main indicators to determine the performance of the antenna?
? 4What is an...
The code is as follows: void connect_server(void) {u16_t ipaddr[2];uip_ipaddr(ipaddr,192,168,1,101);uip_connect(ipaddr,HTONS(10001));char *echo="connect me.";uip_send(echo,strlen(echo)+1);uip_send("my...
[i=s]This post was last edited by Aguilera on 2019-1-6 09:55[/i] [size=4] A humidifier is a household appliance that increases the humidity in a room. A humidifier can humidify a designated room, or i...
I just started learning embedded systems, using PB4.2 and a SMDK2440 development board. I followed the wince installation manual provided by the manufacturer step by step, but a fatal error occurred a...
On the evening of January 11, Beijing time, hard disk manufacturer Seagate announced today that it would close its Suzhou factory in China and lay off more than 2,000 employees. [/color] It is reporte...
I want to develop a set of packages that can charge for different colored plates in the restaurant; :time:; the cost is negotiable, thank you! Contact Guo QQ: 394267183...
introduction
Bluetooth technology is a short-range wireless communication technology designed to replace wired cables. It is a wireless communication technology standard developed by the SIG, ...[Details]
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]
Since the beginning of this year, price wars have intensified, new models have been launched one after another, used cars with zero kilometers have become a hot topic, and the industry's internal c...[Details]
On August 21st, Zhiyuan Robotics revealed at its first partner conference that it expects shipments to reach thousands of units this year and tens of thousands next year. The company hopes to reach...[Details]
While the current industry consensus is that autonomous vehicles are robots and that their systems are managed using robotics-developed thinking, there are also cases where autonomous driving is ac...[Details]
Coal mines typically contain gas and coal dust. When gas and coal dust reach a certain concentration, they can cause explosions. Electrical equipment generates arcs during normal operation or durin...[Details]
Bosch has released a new SoC series to support L2+ advanced driver assistance functions. The chip integrates high resolution and long-range detection capabilities, and has built-in support for neur...[Details]
Over the past decade, the narrative surrounding fuel vehicles has been one of decline and replacement. Under the onslaught of new energy vehicles, traditional automakers have been forced to acceler...[Details]
For self-driving cars, LiDAR is the sensory organ that allows them to "see the road." Simply put, its operating principle involves sending out a laser beam, receiving the echo, and ultimately gener...[Details]
Currently, PLCs are widely used in various industries, including special machine tools, machine tools, control systems, building automation, steel, petrochemicals, electricity, building materials, ...[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]
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]
Electronic scales are a product of modern electronics development. Due to their simplicity, convenience, and high precision, they are widely used in various fields of industry and daily life. Based...[Details]
Electronics Fan Network reported that on August 6th, Shanghai Fourier Co., Ltd. officially launched the GR-3, the third-generation intelligent humanoid Care-bot in its GRx series, in Beijing. This ...[Details]
Recently, seven A-share listed companies have responded intensively to disclose
their progress in
the solid-state
battery
sector.
On the battery side, Penghui Energy,
Guoxuan H...[Details]
RF/Wirelessly
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