As shown in the picture, REF3033 on the left is a 3.3V precision reference source, which is separate from 3V3A (analog circuit power supply). Now the AD conversion result is incorrect. Is there someth...
[font=黑体][size=6][b]Overview[/b][/size][/font] [font=微软雅黑]The board is a double-sided board. There are no components on the back. In addition to the chip, there are only a few necessary RLC components...
As the title says, I'm selling a Tektronix digital oscilloscope, in very good condition. Functions normally, price 8500 yuan, free shipping, not in remote areas, if interested, please feel free to tra...
[i=s]This post was last edited by elike on 2018-1-24 19:18[/i] [size=4]Basic function description. After the program is written, you can connect to the BLE server in the lightblue client on your phone...
Good things don't come often~~:pleased: I just found an application guide for transimpedance amplifiers today, written by Mao Huaping, a high-speed application engineer at TI. TIA stands for trans-imp...
I need to design an online battery length measurement. Is there an optical sensor that can emit a line of light and have a receiving end at the other end? When the battery passes by, it will block par...
The most significant event in the technology circle during this period is undoubtedly the news that ZTE was banned by the United States. Once the news came out, it shocked the entire Chinese techno...[Details]
The trade war between China and the United States has become the focus. The United States has begun to play the ban card against Chinese technology companies. The ZTE incident shows that if the ban...[Details]
When Amazon launched its first
cloud computing
service, the outside world was not optimistic about this direction, as it had high investment, low profits and many uncertainties. Let's follo...[Details]
1. Photovoltaic inverter installation process
1. Preparation before installation
Are the product accessories, installation tools and parts complete? Is the installation environmen...[Details]
Because the STM32 HAL library only has millisecond-level delay for HAl_Delay(), in order to achieve accurate microsecond-level delay, Systick has to be modified. However, since it is used internally ...[Details]
introduction STM32 has many registers, which are difficult to remember, so the official packaged two sets of library functions. One is the standard library, but the official has not updated it on F7,...[Details]
Development Background: 1. Main chip - STM32F207VCT6; 2. TCP/IP protocol stack - LWIP, transplanted based on ST routines; 3. Operating system - none (bare metal); Anomalies: 1. Power on the device wi...[Details]
The last two blogs talked about a version problem of STM32CubeMX and the problem of hardware reset. When you solve these two problems, you will find that after the program is burned into the board, t...[Details]
This is my first time writing an STM32 program. I have many questions to ask. I want to convert the data of the SO of MAX6675 into the actual temperature and read it out using the serial port tool. I...[Details]
Automotive LCD Instrument Clock EMI Solution As early as 2014, the market size of China's automotive full LCD instrument has reached 3.506 billion yuan, and it is expected that by 2020, this s...[Details]
Since the first draft of the 5G
NR standard was officially launched at
the end of 2017
, the
5G
commercialization process has taken a substantial step forward. From that moment on, mo...[Details]
Overview
Lightning is a strong discharge phenomenon that occurs between thunderstorm clouds and between thunderstorm clouds and the earth due to severe convective weather. Lightning is gen...[Details]
From last year to now, competition in the photovoltaic inverter industry has become increasingly fierce. In addition to the introduction of new products, various marketing and promotion methods hav...[Details]