Some people question the statement that "the average value of AC is 0", but there is actually nothing wrong with this statement. This is the "original" concept. The average value of function x is the ...
RF signal sources are used to create test waveforms at radio frequencies. Some common applications include testing whether a new radio platform works or testing whether the performance of a mobile pho...
Does anyone know why the area around U3, C27 and the transformer on the inverter board is very hot, there is no copper foil on it, and there are only three U, V, W three-phase output wires on the back...
This is what happened. I bought a stm8s105c6t6 discovery development board on Taobao. I have tried running the routines and there are no problems. However, I can compile and download the project files...
[i=s]This post was last edited by lcdi on 2016-6-21 16:23[/i] I have received the cc2650stk. It is quite fast, very compact, and a bit expensive. I will study it carefully when I have time....
It took me two days to make a load board. I asked our sister who specializes in soldering circuit boards to solder the project at hand, and then some accidents happened. Let me explain them in detail....
ISP devices, such as field programmable devices (FPGAs and CPLDs), do not require a programmer. Using programming kits provided by the device manufacturer, they employ a top-down modular design app...[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]
What is "Car Electronic Fence"
Fleet managers can define a graphical area (regular or irregular) or divide it into administrative zones in Yamei Technology's vehicle backend management system ...[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]
On August 18th, Galaxis, a specialist in integrated intelligent intralogistics robotics, officially unveiled its next-generation, ultra-narrow aisle forklift mobile robot, the "VFR Ultra-Narrow Ser...[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]
Recently, Tesla released the "Tesla Car Voice Assistant Terms of Use", announcing that the car voice assistant will be connected to the Doubao large model (Skylark large model) and DeepSeek Chat pr...[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]
Spark plugs are an indispensable device for engines. As the saying goes, without spark plugs, the engine cannot work properly. The serious consequence is that when driving at high speeds, the engin...[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]
A half-bridge is an inverter topology for converting DC to AC. A typical half-bridge circuit consists of two controller switches, a three-wire DC power supply, two feedback diodes, and two capacito...[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]
Before understanding single-phase control transformers, let's briefly understand what a single-phase transformer is. A single-phase transformer uses a single-phase input. Compared to a three-phase ...[Details]
The second-generation Snapdragon W5+ and second-generation Snapdragon W5 platforms support users sending and receiving messages via satellite when there is no cellular and Wi-Fi coverage.
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introduction
The widespread use of air conditioner communication circuits began with the rise of household inverter air conditioners. With China's energy conservation and emission reduction in...[Details]