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...
Recently, a small solar-powered inflatable lamp appeared at an event called Mpowerd held in New York City, USA. Its main function is to meet people's needs for lighting equipment during power outag...[Details]
On July 11, the 2023 Munich Shanghai Electronics Show with the theme of "Integration of Innovation, Intelligence Leading the Future" kicked off at the Shanghai National Convention and Exhibition C...[Details]
Intelligent video analysis covers a wide range, and many intelligent video analysis technologies have played an important role in various industries. This article discusses the structure, content, dif...[Details]
Nokia is working with multiple partners to support its ReefShark family of chipsets, which are used in many base stations. On March 5, local time, Nokia announced that it has collaborated with I...[Details]
It is reported that Tesla will cooperate with Samsung to develop the latest generation of 5nm FSD chips, which will be used in Tesla's next-generation autonomous driving computing platform HW4.0. I...[Details]
Baidu ds1302 wrote DS1302 is a high-performance, low-power, RAM-equipped real-time clock circuit launched by DALLAS, USA. It can time the year, month, day, weekday, hour, minute, and second, and has ...[Details]
The digital insulation resistance tester adopts an embedded industrial single-chip real-time operating system, combining digital analog pointers with digital segment code displays. This series of met...[Details]
Use one button to control four relays to conduct in a cycle. The program is changed from the 51 single-chip program to the STC15F104W. The first button is pressed, the first relay is energized, the s...[Details]
Using built-in FLASH as DATAFLASH is a common practice. 1. The page size of N76E003 is 128 bytes. Therefore, each erase and write is 128 bytes. 2. You need to erase before writing, otherwise the writ...[Details]
Recently, Wuhan City issued the "Several Policies of Wuhan City to Accelerate the High-Quality Development of the Integrated Circuit Industry" (hereinafter referred to as "Several Policies"), and lau...[Details]
When using KEIL, we are used to writing what we want to write in a .c file in the order of our own thoughts. This is a very common way of writing. When the program is relatively short, such as doze...[Details]
The topic is as follows Control the LCD display screen through the serial port assistant, display it through LCD1602 and save it in EEPROM to save the data when it is powered off (for example: the se...[Details]
With the continuous progress of science and technology and the gradual improvement of human living standards,
the number
of household
appliances,
mobile
and personal portable el...[Details]
Recently I ported a UCOSII to STM8L, let’s start with the compiler. Since IAR is very similar to VC++, I chose it directly. 1. Function parameter passing It is known that it uses 16 virtual registers...[Details]
In a popular sense, new energy storage refers to new energy storage technologies other than pumped storage, including new lithium-ion batteries, flow batteries, flywheels, compressed air, hydrogen (am...[Details]
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