I used USB to serial port a few days ago but it didn't work, so I bought a PCI serial port card and plugged it into the motherboard. The PCI serial port card has two com ports, and I connected one of ...
[backcolor=rgb(238, 238, 238)][size=12px][font=宋体]Voltage range 2-5V Resolution: 1mV Basic accuracy: ±0.1%+3 characters. The resolution seems to be achievable, but how can this accuracy be achieved? P...
# Loading instances from D:/my_epm_lab/altera_link_modelsim/simulation/modelsim/modelsim_test_v.sdo # Loading timing data from D:/my_epm_lab/altera_link_modelsim/simulation/modelsim/modelsim_test_v.sd...
It has been more than three years since I first made a power supply by myself: from the initial linear power supply (78XX), to the later LDO (TL1963), and to DC-DC (TPS61175, LT1076), although I have ...
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[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]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[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]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[Details]
LED is now known as the fourth generation of light sources. High-power LED has many advantages over traditional light sources in outdoor lighting.
1 LED lamps have high light efficiency
C...[Details]
This article focuses on closing the feedback loop of an isolated power supply using a TL431 shunt regulator. The article discusses a method to extend the bandwidth of the power supply control loop ...[Details]
The battery and its management system are one of the key technologies of electric vehicles. In the past few years, most companies have encountered embarrassment in the development of electric vehic...[Details]
The cruise control system (CCS) of a vehicle is also called a constant speed driving system. It is an electronic control device that uses advanced electronic technology to automatically adjust the ...[Details]
As we all know, the manufacturing of modern automobiles is divided into four major processes: stamping, welding, painting and assembly, and the powertrain constitutes five inseparable production pr...[Details]
1. Sensor
According to the national standard GB7665-87, a sensor is defined as a device that can sense the specified measured quantity and convert it into a usable output signal according to a...[Details]
Hall sensor
is a semiconductor element that works by using the Hall effect. Due to the high conversion efficiency, fast response speed, wide dynamic range, good frequency characteristics and ...[Details]
1. Don't say "Give me a code" as the first sentence when you see someone else's reply. You should think about why. When you figure it out yourself
and refer to other people
's
tips, you will...[Details]