Experts, please enlighten me. I have several SOT23 packaged tubes, but I don't know what the models are. I sent the photolithography of these tubes here. If anyone knows, please reply. Thank you. WZE,...
I would like to ask you, as shown in the picture, this is the schematic diagram of a four-phase stepper motor. When testing the output terminals a and b, it is found that when Q1 is disconnected, that...
Temperature measurement security gate is a powerful tool for epidemic prevention and control. Under the current situation, the use of non-contact infrared thermometers can screen patients with fever o...
[i=s]This post was last edited by Jacktang on 2017-5-26 08:51[/i] [size=4]The following is an example of the FFT and IFFT algorithm that I implemented using C language. It can calculate the FFT of any...
[Show samples] TI Design Suite - Wireless Heart Rate Monitor with Bluetooth Low Energy I have been reading materials on Bluetooth wireless communication technology recently and plan to use it in my pr...
Recently, the first Digital China Summit was held in Fuzhou, attracting many domestic ICT industry giants to participate in the exhibition. The long queues outside the venue, the noisy and exciting...[Details]
Recently, the results of the 2018 German Red Dot Design Award were announced. GoodWe, a company located in Suzhou High-tech Zone, stood out among thousands of outstanding design products from 5...[Details]
In the past few days, the Chinese display panel giant
BOE
has been flooded with articles supported by Liu Shuwei. Let's follow the embedded editor to learn about the relevant content.
...[Details]
Unique device identifiers are suitable for: ● Used as a serial number (e.g. USB string serial number or other terminal applications) ● Use the unique ID as a security key when used in conjunction wit...[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]
Friends who work in the photovoltaic industry, do you still remember the hard work on June 30 last year? How many people worked late into the night for months in a row just to connect to the grid a...[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]
I used STM32CubeMX V4.22.1 to generate a project including EHT and Lwip. The debugging has been abnormal. After careful inspection, the following problems were found: 1. The hardware uses LAN8720A, b...[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]
1. Basic Concepts of LCD/LCM The structure of Liquid Crystal Display (LCD) is to place liquid crystals between two parallel pieces of glass. There are many vertical and horizontal fine wires between...[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]
There has been a lot of news about Huawei
phones
recently
. At the
Huawei
Global Analyst Conference
on the 17th
,
Huawei
announced that it will launch
5G
phones
in the seco...[Details]
According to foreign media reports, the 2018 GMC Terrain Denali is equipped with multiple collision detection systems, and a recent test verified the safety of the system. Even when driving in a bu...[Details]
In the Huaxing Optoelectronics LCD panel
factory
located in Guangming New District, Shenzhen
, apart from a few people repairing machines, it is often difficult to see other people. Here, ev...[Details]