Some students found that there were two wireless WiFi after buying a new router, one of which showed 5G. We know that the frequency band of ordinary wireless WiFi is 2.4, so what is the difference bet...
I want to ask, why can't I send data? Does anyone know the AT+CIPSEND command? My previous commands all responded OK: AT+CREG? // check if registration network in 2 seconds interval +CREG: 0,1 // modu...
1-Brief description of the development history and application fields of TI MSP430 microcontroller, so that beginners can have a preliminary understanding of the background of MSP430 microcontroller. ...
1. Sometimes you forget to find missing wiring during manual inspection. You can use Report to check whether there is any missing wiring in the PCB.2. In the board information, you can see some inform...
I'm working on a DC motor driver board recently, and I found that different drive currents require different cement resistors in series. I don't know why cement resistors are used, and how to select t...
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]
Core point: The automotive industry chain and the humanoid robot industry have collaborative advantages in hardware, software, and scenarios. Upstream and downstream companies in the automotive ind...[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]
Pure electric vehicles, structurally speaking, have components such as a power battery. In addition to the power battery, a small battery also powers some low-voltage electrical components and even...[Details]
With the advent of the electric car era, the number of pure electric vehicles has increased significantly, but many car owners do not know how to properly maintain pure electric vehicles. In additi...[Details]
One of the most core components of electric vehicles is the motor. The power supply provides electrical energy to the motor, which converts this electrical energy into mechanical energy, which in t...[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]
The MCX E series is the most reliability- and safety-focused series in NXP's extensive MCX product portfolio.
With the launch of this series, NXP has further enriched its 5V-compatible MCU pr...[Details]
China, August 21, 2025 – STMicroelectronics (NYSE: STM), a world-leading semiconductor company serving a wide range of electronics applications, has published its IFRS 2025 semi-annual financial re...[Details]
In the period after the switching power supply achieved the "20 kHz" revolution in the 1970s, although improvements and enhancements were made in circuit technology, the development level of the se...[Details]
New version helps developers build secure and trustworthy embedded systems
Shanghai, China—August 21, 2025—
QNX, a division of BlackBerry Ltd., today announced the release of QNX...[Details]
As a pioneer in the new smart home concept, robot vacuums have captured a significant market share. Robot vacuums, also known as automatic sweepers, smart vacuums, or robot vacuums, are smart home ...[Details]
introduction
The rapid adoption of computers has led to a growing number of tasks being performed on them. People from all walks of life, especially programmers and writers, are spending incre...[Details]
Pure electric vehicles have experienced rapid growth in recent years, and many consumers now consider them as a top choice when purchasing a car. But do you know how to choose a satisfactory and sa...[Details]
summary
NFC (Near Field Communication) is a short-range, high-frequency wireless communication technology that allows contactless, point-to-point data exchange (within ten centimeters) between...[Details]
RF/Wirelessly
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