Input voltage: constant 12V Duty cycle D of PWM wave driving IGBT varies from 0.01 to 0.9 Output voltage range: only 0.2 to 4.8V Theoretically it should be 0.12 to 10.8V. What is the reason? ? ? [colo...
[i=s]This post was last edited by xsunset on 2014-9-22 16:17[/i] [b][color=#00ff][size=18.0000pt][/size][/color][/b][b][color=#00ff][size=18.0000pt][b]1 [/b][/size][/color]Design Principle of Bicycle ...
The BeagleBone development board leads out functional pins through two 46-pin interfaces. Each pin has multiplexed functions, and the pin function is selected by defining mode0 -mode7.Under the LINUX ...
I have always wanted to learn about electronics. Fortunately, I found Du Yang's books on the Internet and began to learn about single-chip microcomputers. I bought some materials on Wanneng Taobao and...
There are many enthusiastic people who have been silently helping everyone in DEYISUPPORT, answering questions and discussing technical issues. As Thanksgiving is approaching, Deyisupport calls on all...
In the above, our driver is placed in the directory of the kernel source code and compiled into a driver module. In many cases, weget a driver source code and do not need to put it in the kernel sourc...
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[Details]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
1. With the development of modern industry and the continuous improvement of automation, some medium and large control systems have been greatly facilitated, which not only makes control easier, bu...[Details]
The potentiometer is an adjustable electronic component. The main functions of the potentiometer in the circuit are as follows:
1. Used as a voltage divider
A potentiometer is a continuou...[Details]
With the rapid development of wireless
digital communication
, more challenges have been raised for integrated circuit design and testing. In the product design stage, in order to ensure
t...[Details]
The launch of Shenzhou IX is imminent, and Tiangong is welcoming visitors again. Yesterday, Professor Fu Qiang, Vice President of the Institute of Science and Industrial Technology of Harbin Instit...[Details]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
Designing low power circuits while achieving acceptable performance is a difficult task. Doing so in
the RF
bands increases the challenge dramatically. Today, nearly everything has wireless...[Details]
In the TV monitoring system, in order to complete the collection of information from various information points (video, audio, alarm signal) and the control of various front-end devices (PTZ, lens,...[Details]
Today, as information becomes an increasingly important resource, strong market demand and the development of microelectronics technology have led to the rapid development of portable electronic sy...[Details]
Brain-computer interface (BCI) is a novel human-computer interface method. It is defined as a brain-computer (computer or other device) communication system that does not rely on the normal output ...[Details]
While we enjoy the great benefits of solid-state technology, the microelectronics at its core rely on clean electricity. Faster speeds and lower voltages mean higher demands on power quality. Power...[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]
As we all know, the manufacturing of modern automobiles is divided into four major processes: stamping, welding, painting and assembly. Together with the powertrain, they constitute the five insepa...[Details]
Power technology
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