[i=s] This post was last edited by lc19840928 on 2016-1-7 15:16 [/i]Brand new development board, mother-child card, 3000 yuan, price negotiable, no machete, link below I found a cheap idle treasure! C...
At 5 a.m. Beijing time today, the U.S. Department of Commerce's International Trade Commission (ITC) made a final ruling on the 337 investigation against DJI: no ban would be issued.In response, DJI's...
[i=s] This post was last edited by fish001 on 2018-11-4 15:12 [/i] The so-called SPWM means that the pulse width in PWM changes according to the sinusoidal law. According to the sampling theory: the n...
[i=s] This post was last edited by ljj3166 on 2018-9-20 16:54 [/i] I can’t stand the constant lighting, so I’ll at least set a few buttons to start.This is the script USER_LED tested last time. It tur...
Today I saw a colleague using a relay control circuit. The relay is external, with a freewheeling diode inside, and the control circuit is open-drain output, as shown in the figure below. There is one...
[i=s]This post was last edited by dcexpert on 2016-6-9 14:07[/i] Today I found that javascript can be run on NUCLEO-F411. Actually, there is a NUCLEO-F411 version of espruino. I tried it briefly and i...
Dual-mode inverters can operate both in conjunction with the grid and independently. These inverters can inject excess energy from renewable energy and storage devices into the grid, and withdraw p...[Details]
If the ultimate form of a car is a silicon-based life form, then in
the field of
intelligent driving
, it has gradually taken on the appearance of a "veteran driver." In
the field of
the ...[Details]
Flip-chip and ball grid array (BGA) are two widely used packaging technologies in the electronics industry. Each has its own advantages and limitations, and in some cases, they can complement each ...[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]
summary
There are multiple approaches to making industrial systems more intelligent, including applying artificial intelligence (AI) technology at the edge and in the cloud to sensor...[Details]
According to foreign media reports, BMW has just been granted a patent for a screen that could cover the entire roof. BMW hopes to transform at least a portion of the vehicle's headliner into a dis...[Details]
introduction
As “energy conservation and emission reduction” has become an indicator of the National Economic Development Outline of the 11th Five-Year Plan, people’s awareness of green enviro...[Details]
In the scorching summer, electric fans are a must-have for cooling down people's homes. However, I believe most people have encountered this situation: the fan is plugged in, the switch is pressed,...[Details]
A pure sine wave inverter has a good output waveform with very low distortion, and its output waveform is essentially the same as the AC waveform of the mains power grid. In fact, the AC power prov...[Details]
Lithium-ion batteries are a key component of electric vehicles. Their high energy density enables them to store a large amount of energy in a relatively compact and lightweight package, which is cr...[Details]
Nidec Precision Testing Technology Co., Ltd. will participate in "Testing Expo China—Automotive 2025" to be held at the Shanghai World Expo Exhibition and Convention Center from August 27 (Wednesda...[Details]
When it comes to batteries, they're no strangers to car owners. But how should batteries be maintained? How often should they be replaced? What bad habits can affect their lifespan? And what's the ...[Details]
Today, the voltage of electronic products continues to rise to 400V, 600V and even 1000V, so there are few electronic load models that can handle such high voltages. Many people consider connecting...[Details]
With rapid economic development, the types of pollution sources are increasing, especially in chemical and industrial zones and their surroundings. The patterns of pollution and the types of ecolog...[Details]
Anyone who has driven a pure electric vehicle will find that it starts much faster than a fuel vehicle. So why do pure electric vehicles start so quickly?
We all know that an engine's to...[Details]
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