Original article by Mr. Gaosu | Liu LijuanWhen testing the two channels of the DUT with a network analyzer, it was found that the standing wave ratio was very different. The first reaction was that th...
? 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...
According to foreign media reports, Ford Motor has applied to the U.S. Patent and Social Security Administration (USPTO) for a patent for a remote vehicle control system that may be used in future ...[Details]
PV DC fuses are safety devices used to protect PV panels, inverters, and DC loads. To ensure their safety and reliability, they must be UL248 certified.
Before applying for UL248 certifi...[Details]
To enable real-time monitoring of home security and automatically dial a number for voice prompts or send text messages when an alarm occurs, a GPRS-based embedded telephone alarm system was design...[Details]
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]
Electric vehicles are currently gaining momentum, but this is just a facade. Fuel-powered vehicles remain unchallenged. While electric vehicles boast unique advantages in environmental emissions an...[Details]
With the rapid advancement of automation technology, collaboration between robots is no longer just science fiction. Imagine dozens of machines moving goods in a warehouse without interfering with ...[Details]
Recently, AstroBo Robot, a subsidiary of Chenxing Automation, launched a new mobile collaborative palletizing product. Leveraging an omnidirectional mobile chassis, an intelligent scheduling system...[Details]
On August 20th, Tiantai Robotics Co., Ltd., along with strategic partners including Shandong Future Robotics Technology Co., Ltd., Shandong Future Data Technology Co., Ltd., and Gangzai Robotics Gr...[Details]
Electric vehicles' 12V batteries don't rely on a generator to power them. Only gasoline-powered vehicles rely on the engine to drive a generator to generate electricity while driving, which is used...[Details]
In the electronics manufacturing industry, surface mount technology (SMT) placement machines are core equipment for production lines. However, with many different models available on the market, ch...[Details]
In daily life, power transformers have different functions and uses due to different usage scenarios. The most common ones can be divided into: control transformers, isolation transformers, rectifi...[Details]
A patent disclosed by Ford proposes replacing traditional segmented side curtain airbags with integrated full-width side curtain airbags that span the side of the vehicle and can be deployed simult...[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]
Lightweighting of automobiles is still a relatively unfamiliar term for automobiles. With the continuous improvement of environmental protection requirements, relevant regulations have also put for...[Details]