I saw a very good article on the Internet about integral circuits and how to understand the role of capacitors. It can be used as a method to qualitatively study integral circuits. I reprinted it for ...
Today, I compiled a Mitsubishi PLC sequential control instruction according to the PLC tutorial. Intention: After power on, S1 segment works for 10 seconds and outputs Y0, then switches to S2 segment ...
In vehicles equipped with airbags, if the correct procedures are not followed, the airbags may accidentally deploy during maintenance, leading to serious accidents. 1. The symptoms of airbag failure a...
1. Problem statement Taking the current school computer system selection as an example, there are generally the following options: 1. System built with disk PC; 2. Network-based NC and WBT systems; 3....
When we learn about the structure of automobiles, we often come across the term CAN bus. In engineering practice, CAN bus is the customary name for the standard serial data transmission system in auto...
Circuit Function and Advantages
Industrial and instrumentation systems, as well as programmable logic controllers (PLCs) and distributed control systems (DCSs), often have to control outputs. ...[Details]
Time Master Behavior
In the gPTP network, the node that serves as the Time Master has the following message processing flow:
The Time Master is responsible for sending SYNC messages...[Details]
Why do so many people choose to use permanent magnet motors now? It is because of its energy saving, which can reach about 20%. But do you know some content about permanent magnet motors? Today, I ...[Details]
The original Chinese name of laser is "雷射" or "莱塞", which is the transliteration of its English name LASER. It is an abbreviation composed of the first letters of the English words Light Amplificat...[Details]
Although the Federal Communications Commission (FCC) announced plans to sell 24GHz wireless spectrum for 5G networks well ahead of the March auction, two U.S. senators accused the agency of offering ...[Details]
Challenges facing automotive networks
Zonal architecture uses Ethernet technology throughout, which brings many advantages. For example, based on the same standard, it can provide different ba...[Details]
According to Bloomberg, new export restrictions imposed by the United States on Huawei this week may put pressure on South Korea's economy, which is struggling to recover from the epidemic, as chips ...[Details]
Power System Considerations
In the application of multi-power system, the internal power planning or automatic switching of low-power MCU must be considered. The following example uses the AC/bac...[Details]
2020 is a key year for many autonomous driving players to announce the launch of autonomous driving cars. However, Audi announced that it would not install L3 on the A8 model to be launched next year...[Details]
introduction
A stratospheric airship is an aircraft that uses lighter-than-air gas (such as helium) to generate buoyancy as lift to fly in the stratosphere. It relies on the static lift generat...[Details]
Abstract/Introduction
Plating affects the life and quality of a connector system, including corrosion resistance, conductivity, solderability, and of course, cost.
...[Details]
Recently, Miao Wei, Minister of Industry and Information Technology, said at a press conference, "The networks currently being promoted in various places are basically NSA 5G applications, and SA 5G ...[Details]
AT680A is a supercapacitor leakage current tester controlled by a high-performance microprocessor. Digital control test voltage: 1.000V~10.000V, maximum charging current 2A, 4-range test, the leakage...[Details]
Because this program is relatively simple, I will not explain it in detail. The hardware circuit will also be briefly explained in the source code.
See the source code:
#include avr/io.h...[Details]
PCR amplifier (commonly known as PCR instrument) PCR: PCR (polymerase chain reaction) is a method of using DNA to denature into a single strand at a high temperature of 95°C in vitro. At low temperat...[Details]