Division of the electromagnetic spectrum:
1. Very low frequency (VLF) 3 kHz~30 kHz, corresponding to the wavelength of electromagnetic waves is very long wave 100 km~10 km;
2. Low frequency (LF) 30 kH...
(2006-06-28 08:34:42)A recent annual report on the global entertainment and media industry released by PricewaterhouseCoopers pointed out that the global entertainment and media industry is entering a...
[size=4]With the rapid development of mobile phones, electronics, and communications industries, the PCB industry has also grown rapidly. People have higher and higher requirements for the number of l...
[i=s]This post was last edited by zengyi703 on 2020-3-14 11:38[/i]I was bored at home during the epidemic, so I made a small board that supports MicroPython. Basic hardware functions:
1. The microcont...
Please guide me what is the reason
Input 24V2A, output 5V800MA, 3.3V500MA and 4.6V800MA. After batch production, it was found that some DCDC chips were damaged after a period of use, ranging from seve...
Without the Communist Party, there would be no New China! This is undoubtedly something that the Chinese people in the 1950s and 1960s should have understood. Facing today's society, what we all mu...[Details]
The switching power supply controlled by voltage will lose control of the current, which is not conducive to overcurrent protection. The shortcomings of slow response and poor stability are obvious. ...[Details]
Speaking of TI (Texas Instruments), everyone must be familiar with it. It is the world leader in the field of analog devices, especially the DSP that we are familiar with, and it has surpassed all ma...[Details]
Although Tesla’s new Model 3 is not equipped with HW 4.0 hardware, it does not add 4D millimeter wave radar , and even cancels millimeter wave radar. But there is no doubt that the popularity of 4D ...[Details]
As inverter power supply devices become larger in current and frequency, inductors used in circuits tend to have low resistance and low loss, and the need to stably measure lower resistance has emerg...[Details]
As the most common linear voltage regulator, 7805 is familiar to everyone.
In addition to the LDO function, the 78 series chips can also be used for other circuit functions, such as simp...[Details]
On March 18, OnePlus’ official website changed to a new logo. Prior to this, OnePlus founder and CEO Liu Zuohu announced that OnePlus’ new visual system would be announced today. Liu Zuohu ...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
The use of LED lights is becoming more and more popular, especially in urban lighting and lighting beautification. However, once an LED light fails, it may bring adverse effects, so the protectio...[Details]
0 Introduction
Pedestrian detection is an important research topic in the field of target detection, and is widely used in intelligent driving systems, video surveillance, and crowd density mo...[Details]
The size and scope of the drone market continues to grow, with new applications emerging all the time. Whether it’s delivering mail or packages, providing entertainment for children and seniors, secu...[Details]
On September 10, 2024,
MOTINOVA, a drive system service provider focusing on green travel and smart short-distance transportation under the Industrial Technology Business Group
of Mid...[Details]
Temperature is a basic physical phenomenon. It is the most common and important process parameter used in the production process. Whether it is industrial and agricultural production, scientific res...[Details]
With the development of information technology, wireless communication has become popular, but our usual monitoring method is still contact-based. The disadvantages of contact-based monitoring...[Details]