When researching ESP32-S2-Saola-1, I found that Essence has launched a new NODEMCU-32-S2 development board, which has similar functions, but the price is more than half cheaper. The ESP32-S2-Saola-1 i...
Scrapy can collect data directly through HTTP requests. The scrapy crawler framework does not provide page js rendering services, so we cannot get information, so we need a rendering engine to provide...
[i=s]This post was last edited by qwqwqw2088 on 2021-5-6 08:19[/i]When I first started using desktop computers, I took them apart and looked at the complex motherboards filled with various slots, chip...
Flexible and simplified programming processes enable designers to apply a single IC to a variety of use cases, helping manufacturers shorten time to market and reduce bill of materials costs, which is...
[i=s]This post was last edited by wuguangtao on 2020-12-24 08:41[/i] # MSP430F5529 drives 2.2-inch TFT color screen and implements Snake**Snake**, a timeless little game. When I was an undergraduate, ...
1. InterruptionPIE is a peripheral interrupt expansion module, with a total of 96 interrupts after expansion2. Clock28027 series peripheral support3. Watchdog...
在产品生命週期日趋缩短下，系统设计工程师必须及早在系统设计时，进行电源整合的考量，以避免造成最后阶段须大幅修正。为了能够获得更佳的系统设计，设计工程师可藉由电源电路的线上设计工具，来缩短前段处理，甚至完整设计的时间。 The competitive pressure in the market forces the development time of new generation p...[Details]
A collaborative robot is a robot that is designed to work collaboratively with humans. It was designed after industrial robots became popular. The robot can interact closely with humans in a shared...[Details]
On February 25, the research group of Professor Tang Chuanxiang of the Department of Engineering Physics at Tsinghua University and the cooperative team from the Helmholtz-Zentrum Berlin for Material...[Details]
The technologies used to measure heart rate in a non-contact, non-invasive manner are divided into five categories: (1) LED, (2) image processing, (3) acceleration sensor, (4) electromagnetic wav...[Details]
Single bus technology is a proprietary technology of Dallas Corporation in the United States. It uses a single signal line to transmit data. It has many advantages, such as saving I/O port resources, ...[Details]
Maintenance Techniques of Tube Amplifier
1. Measurement before power on
For a faulty machine, if you cannot determine the fault location through understanding and observation, do not rash...[Details]
New integrated software development environment supports multi-chip ECUs, reducing development time and the workload of later design modifications
September 28, 2022, Bei...[Details]
As we all know, the production and management of food and medicine are related to human life and health. If the quality of food/drugs threatens human life, it will be a great disaster. Therefore, all ...[Details]
When developing 51 single-chip microcomputer application systems, developers often encounter multi-byte division and reciprocal problems. However, the relevant programs introduced in some current mate...[Details]
LED display screens based on mobile data use the GSM/GPRS/CDMA/PHS network, which has the widest coverage and is the most stable. They can update the content of LED display screens in real time and...[Details]
Regarding the question of programming in assembly language and C language. This question bothers many people, probably mainly due to the teaching and guidance of some textbooks. C language programming...[Details]
Tesla CEO Elon Musk recently said that the Neuralink brain chip developed by his company could help treat morbid obesity. Experts say the billionaire's dream is not as far-fetched as it seems. "I ...[Details]
Lithium battery separators are one of the main components of lithium batteries and are mainly used in energy storage, new energy vehicles and other fields. The demand for lithium battery separators...[Details]
After power on, the oscillator starts to oscillate, and the output VF signal is transformed and shaped by the RS trigger to generate a rectangular pulse excitation voltage that maintains the original...[Details]
MicroPython Open Source section
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