Since wireless networks use radio waves to transmit data signals and adopt radio frequency (RF) technology to send and receive data through the air, the role of antennas is extremely important. With t...
1. If the MCU has a serial port peripheral, adding a level conversion chip, such as MAX232, SP3485, will become the RS232 and RS485 interface.
2. RS485 uses differential signal negative logic, +2~+6V ...
The oscilloscope signal acquisition mode is used to control how to generate waveforms from sampling points. The commonly used waveform capture modes of Dingyang oscilloscopes are normal mode and peak ...
I believe that many of my friends have this question when studying electricity or using a wiring harness tester: how does alternating current become direct current?
First, let's understand the basic c...
I suggest that when searching for inviters, you can press Enter to start the search directly instead of clicking the Find button with your mouse. As shown in the following figure, after I deleted the ...
[size=5]1. The analog crossover is a circuit device in the speaker that separates the input analog audio signal into different parts such as treble, midrange, and bass, and then sends them to the corr...
Today's car safety is no longer a matter of just adding a bumper. Safety technologies that can predict danger before it strikes are increasingly being used in today's cars. Because of this, more indu...[Details]
Usage of using in Keil C51
The using keyword is often used in C51 interrupt programs, but many people do not understand what it means. Here is a repost to help everyone understand.
If registers ar...[Details]
At the beginning of 2019, Musk said on his personal social media that Tesla would open all electric vehicle patents without reservation to support the development of the electric vehicle industry. Th...[Details]
Google released the Pixel Buds last year, but they could only be charged via a cable. The upcoming version is expected to include wireless charging, and information about the new Buds has appea...[Details]
Mission-critical subsystems must be highly reliable to ensure driver and passenger safety.
Figure 1
Circuit blocks in an AV camera subsystem (Figure 2). The camera power sub...[Details]
Financing in May 2021: - More than 37 semiconductor companies, with a financing scale of over 3 billion yuan - Xinyaohui (Round A, over RMB 500 million), Tudatong (US$64 million), and Xinhuazhang (Pr...[Details]
ElectroCraft Expands AxialPower Linear Actuator Family with NEMA23
ElectroCraft, a global supplier of low-power motor and motion solutions, has launched a new product, NEMA23, expandin...[Details]
1. Introduction
One of the most expensive and heaviest components in a UPS is the output transformer. Since it is unlikely that the cost and weight of the transformer core material used to con...[Details]
#include STC89C5xRC.H int main() { char buf; TMOD = 0x21; //Set the working mode of timer1 SCON = 0x50; //Set serial communication format TH1 = 0xE6; //Set the initial value of timer1 TL...[Details]
As an "excellent assist" for high energy density, silicon-carbon anode materials are expected to see an explosion in demand. According to recent foreign media reports, Tesla has decided to further in...[Details]
On November 17, 2023, the "Notice of the Ministry of Industry and Information Technology, the Ministry of Public Security, the Ministry of Housing and Urban-Rural Development, and the Ministry of Tra...[Details]
As environmental and energy issues become increasingly severe, electric vehicles and hybrid electric vehicles (EV/HEV) have become the focus of attention in today's world. The battery is the power li...[Details]
In the past two years, governments at all levels have continuously stepped up efforts to promote new energy vehicles, and preferential policies have been frequently introduced. The new energy vehic...[Details]
Solarbe reported that on October 11, 2010, entrusted by the Science and Standard Management Department of the National Certification and Accreditation Administration, the National Solar Photovoltaic E...[Details]
Guided wave radar level meter is a radar level meter based on the principle of time domain reflection (TDR). The electromagnetic pulse of the radar level meter propagates along the steel cable or pro...[Details]
RF/Wirelessly
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