If the output of the bridge is left floating, there will be a common mode voltage problem, so the output is connected to the ground through a large resistor, and a capacitor is connected to the resist...
Our company wants to make a washing machine with a 310V DC motor. I bought a development board, but it turned out to be a closed loop, so I tried to change it to an open loop.
But the motor doesn't tu...
[color=RoyalBlue][b][size=4]Course Introduction[/size][/b][/color] [size=4]Electromagnetic interference is one of the key technologies of power electronic power converters. It is closely related to el...
Recently, when debugging OBD, I found that I could only receive the first frame when sending or receiving multi-frame data (multi-frame reception is in accordance with ISO-15765 single-frame multi-fra...
With the increase in the types of electrical equipment used in modern cars and the increase in power levels, more and more types of power supplies are required, including AC power and DC power. These...[Details]
On the first day of the new year, NIO Chairman and CEO Li Bin issued a letter to all employees. Li Bin stated in the letter that the impact of the epidemic and emergencies in 2022 has exceeded expect...[Details]
Currently,
thermistors
are one of the most commonly used components for temperature sensing, but their resistance-temperature characteristics have poor linearity, so they are not promising f...[Details]
In u-boot, u-boot manages the console and controls it through the u-boot environment variable stdout In linux-5.11, linux also manages the console, and manages it through some fields in u-boot's boot...[Details]
Changes in the form of automotive head-up display (HUD) products Head-up display (HUD) is an optical device that works basically the same as a projector, projecting the information to be displ...[Details]
The function of the motor protector is to provide comprehensive protection and control for the motor. It will give an alarm or protective control when the motor has overcurrent, undercurrent, phase...[Details]
According to foreign media Teslarati, Tesla has launched a brand new J1772 "Wall Connector" wall-mounted charging pile on its official foreign website , priced at US$550, or approximately RMB 3,955. ...[Details]
Recently, one of the important events of the 3rd China International Import Expo, the "Signing Ceremony of the Joint Statement of the United Nations Industrial Development Organization Fourth Industr...[Details]
0 Introduction
In the traditional hardware architecture, the interface is regarded as a part of the corresponding external device, and each interface can generally only be connected to the sam...[Details]
Contents The present invention relates generally to fuel dispensers and, more particularly, to the detection and prevention of fraud caused by tampering with a fuel flow meter associated with a fuel...[Details]
It is a common phenomenon that the resistance range of the multimeter is burned out due to the wrong range selection.
Take the R×1 range of the U-10 multimeter as an example, and its si...[Details]
There have been reports that Apple will align the design of this year's iPhone 12 series with the iPhone 4, or pay tribute to the latter in design. Now it seems that they have done it. Now, s...[Details]
Recently, Delphi Technologies announced that it will produce an 800V inverter, becoming the main supplier of such parts in the automotive industry. It is reported that compared with the 400V charging...[Details]
In recent years, with the continuous improvement of living standards and the growing personal wealth, people's requirements for security and anti-theft have gradually increased. Safe, reliable and ...[Details]
/******************************************** ht9200A/ht9170 program DTMF receiving and transmitting program ********************************************/ sbit DATA = P3^7 ; sbit CLK = P3^6 ...[Details]