We refer to TI's antenna design, but the onboard antenna is only a few dozen meters away, and the external antenna is only about 70 to 80 meters away. What should we pay attention to when designing th...
[font=宋体][size=4]I am also a Unicom user, and finally saw the internal problem[/size][/font] [font=宋体][size=4][/size][/font] [size=4][font=宋体]Reposted from: [/font][url=http://bbs.c114.net/viewthread....
I use my PC to connect to the mobile phone and dial up the GPRS of China Mobile. I send PPP frames myself. However, after the IPCP process is completed, the server does not respond when I send the fir...
Development board: STM32F10B_EVALuses the STM32 USB routine VirtualCOMPort, select STM32F10xxB as the Device in the project settings, and check run to main. No other changes are made to the routine.Af...
I want to sort out the knowledge of device drivers. As a result, the following error occurred when compiling with the module: Source file: //mydisk.c #include
#include#include
#include
#include
#inclu...
Sensorless control technology has been an important research direction for brushless DC motors ( BLDC ) in the past decade. The core of sensorless control research is the rotor position signal detecti...
In recent years, with the increasing demand for manufacturing and automated production management, industrial barcode scanners have gradually become an indispensable part of the industrial manufact...[Details]
The jammer is a signal blocker, mainly composed of a chip and a radio transmitter. When the car owner presses the remote control lock button, the jammer interferes with the electronic lock receivin...[Details]
To understand why car engines need gearboxes, we must first understand the characteristics of different types of engines. An engine refers to a machine that can convert a form of energy into kineti...[Details]
In recent years, with the application of the IEC61850 standard and the development and deployment of optoelectronic transformers, the concept of digital substations has been put into practical use ...[Details]
On August 25th, SK Hynix announced that it has completed development and entered mass production of its 321-layer, 2Tb QLC NAND flash memory product. This achievement marks the world's first applic...[Details]
Logic analyzers are widely used tools in digital design verification and debugging. They can verify the proper functioning of digital circuits and help users identify and troubleshoot faults. They ...[Details]
1 Introduction
In the mid-1960s, American scientist Maas conducted extensive experimental research on the charging process of open-cell batteries and proposed an acceptable charging curve for ...[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]
Recently, South Korean robotics giant WIRobotics launched its first general-purpose humanoid robot, ALLEX, at the Robotics Innovation Center (RIH) at the Korea University of Science and Technology....[Details]
In the summer of 2025, BlueOval SK, a joint venture between Ford and SK On, officially started production at its first battery factory in Kentucky.
According to the original plan, this w...[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]
The complexity of the integrated circuits (ICs) used in electronic systems in vehicles is increasing. They aim to execute artificial intelligence (AI) algorithms to control autonomous driving funct...[Details]
The practice of warming up a car originated with gasoline-powered vehicles. Warming up the engine allows it to enter a better working state and ensures good lubrication. This has become a habit for...[Details]
Through AI connection technology supported by Qualcomm X85 5G modem and RF and Qualcomm FastConnect 7900 mobile connection system, seamless switching can be achieved between cellular net...[Details]
A multilevel inverter converts a DC signal into a multilevel staircase waveform. Instead of a straight positive-negative output waveform, the output waveform of a multilevel inverter alternates in ...[Details]
RF/Wirelessly
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