I won’t draw the picture, I’ll borrow the picture from https://bbs.eeworld.com.cn/thread-1118817-1-1.html
Since the zero point drift of this type of amplifier is very serious, it is basically rarely u...
[i=s]This post was last edited by jameswangsynnex on 2015-3-3 19:58[/i] Owning standards means having the initiative in the industry. Facing the upcoming 3D era, Chinese, Japanese and Korean companies...
The biggest feature of 5G for ordinary people is of course its speed. The only way to defeat all martial arts is to be fast. If the action is fast, the supporting facilities must also keep up with the...
[i=s]This post was last edited by DJ Maniac on 2015-2-4 20:07[/i] We all know that ADI's chips are very expensive. So in this era of 32-bit microcontrollers, what confidence makes them dare to sell th...
[b]1-8-2-3. Rectified output half-bridge transformer switching power supply[/b] Figures 1-43 and 1-44 are the working principle diagrams of bridge rectifier output and full-wave rectifier output dual-...
Today, there is a growing demand for feature-rich multimedia capabilities, context-awareness, and embedded devices with transmitter/receiver functionality, while global competition intensifies the pre...
In the war without gunpowder between China and the United States,
ZTE
has become a new victim. The seven-year chip ban by the United States has pushed this communications giant to a life-or...[Details]
For 80,000
ZTE
(000063.SZ) employees and more Chinese ICT (information and communication technology) industry practitioners, the news from across the ocean on the evening of April 16 kept t...[Details]
In the actual project development process, we often need to get the running time of a section of code. The usual method is to use an oscilloscope to measure it. This blog post will use SysTick to acc...[Details]
Serial Port: 一. USART_ITConfig(USART1, USART_IT_TXE, ENABLE): As long as the transmit register is empty, there will always be an interrupt. Therefore, if you are not sending data, turn off the tran...[Details]
China Energy Storage Network News:
The State Grid Corporation of China, this elephant, is planning to turn around and enter the emerging power service market.
The rallying cry for the tr...[Details]
Timing and protocol are two key points in digital system debugging, and they are also where logic analyzers can play their most valuable role. How can we use a logic analyzer to quickly complete wiri...[Details]
This small program is still the use of timer, which is relatively simple. The specific parts are noted in the comments, please refer to the comments. /*********************************************...[Details]
On May 16, in response to
the public opinion storm caused by
Lenovo's
"
5G
voting" incident,
Lenovo
Holdings Chairman and
Lenovo
Group Founder Liu Chuanzhi, Lenovo Gr...[Details]
I used the bit definition in my 51 program: bit flag. After defining it this way, I ran the program and downloaded it to the circuit board. I found that the flag was not the value I set, which led to...[Details]
The Vatican Secret Archives is one of the world's greatest historical collections, but many of its documents have never been transcribed. Recently, a project called Codice Ratio used a
combination...[Details]
The storage media corresponding to the three boot modes of STM32 are built-in to the chip, they are: 1. User Flash = Flash built into the chip 2.SRAM = RAM area built into the chip, which is the m...[Details]
/* Unfortunately, it cannot generate a standard 38kHz frequency square wave, there is a little error*/ #include reg51.h #define uchar unsigned char #define uint unsigned int sbit Waveout=P1^0; //P...[Details]
Interrupts and timers implement a 24-hour clock. The program is as follows: #include reg52.h #define PORTLEN P0 sbit bit_select = P2^0; sbit seg_select = P2^1; unsigned char src = {0x3f,0x06,0...[Details]
When the program starts running, light A turns on for 5 seconds, then turns off, light B turns on for 5 seconds, light B turns off, light C turns on for 5 seconds, light C turns off, the program ends...[Details]
Analog electronics
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