Source: Programmer Life
On May 24, at the 2021 Xiaomi campus recruitment training session, Lei Jun advised new employees not to make any comments on the company's strategy and business in the first si...
I am not advertising, I just accidentally saw the link: [url=http://cn.made-in-china.com/showroom/longwayvision/product-detailWMKnsYxLhhkD/%E8%93%9D%E7%89%994.0%E9%98%B2%E7%9B%97%E5%99%A8%E9%98%B2%E4%...
I have been studying the original code for the past few weeks. I originally wanted to use the iPhone application software to control a switch, perhaps an LED, to control a relay. Then control the comp...
[CCIDnet News] July 28 news Nokia has begun the first test of a new technology that allows mobile phone users to roam seamlessly between local wireless hotspots (such as Wi-Fi) and telephone networks....
Time flies, and thirty years have passed quietly. It is the Year of the Tiger, and a child is born.
A few days ago, I chatted with the forum administrator. Due to the birth of the child, some events m...
I would like to ask, if the FPGA program crashes, PROG_B can be used to restart it. If the hardware crashes, an I/O pin in the FPGA can be connected to RC. I know I use 3.3V, so what is the RC value t...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
All electronic design engineers and scientists have performed electrical signal analysis, or signal analysis for short. Through this basic measurement, they can gain insight into signal details and...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
1. Introduction
At present, most lighting equipment still uses traditional energy for lighting. Making full use of solar energy as the energy supply for lighting equipment is of great si...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
Overview:
This paper introduces a method of connecting a CAN-bus network with Ethernet to form a medium-sized remote monitoring/data transmission network.
CAN (Controller Area Network) is ...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
Many battery-powered systems require a visual indicator to show when the battery needs to be replaced. LEDs are commonly used for this purpose, but they consume at least 10mA of current. This con...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]