Hello everyone: I want to use the USB port of stm32 to communicate with the computer. The computer sends a query message, and the board receives it and queries it according to the corresponding inform...
I recently joined a project that requires serial communication between DSP and ARM9. However, I am new to embedded systems and don’t know what to do. I am in a hurry to use it, so I would like to ask ...
[b]Contents: [/b] Chapter 1 Overview The necessity of learning transistor circuits or FET circuits Working principles of transistors and FETs Current status of transistors and FETs Chapter 2 Working o...
Hello everyone, my environment is as follows: Development environment: Sourcery g++ Lite Edition (not Personal Edition and Professional Edition) Hardware environment: STM3210E-EVAL evaluation board I ...
[size=4] This push-pull output transistor amplifier HOOD1969 designed by American JHL in 1969 is timeless. Although it has only a Class A 10W output, the volume can be comparable to a 50W home amplifi...
[i=s] This post was last edited by Changjianze1 on 2014-12-15 22:37[/i] [align=center][color=red][size=22.0pt]LCD12864 GUI[/size][/color][color=red][font=宋体][size=22.0pt]Study[/size][/font][/color][/a...
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 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]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
Movpower is a portable power bank. It can charge most mobile phones and digital products, such as digital cameras, PDAs, and mobile phones such as Apple, iPod, Blackberry, Motorola, Samsung, Nokia,...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
It should be understood as follows: DC-DC means direct current to direct current (conversion of different DC power values). Anything that meets this definition can be called a DC-DC converter, incl...[Details]
With the popularity of digital appliances, rechargeable batteries can be seen everywhere in people's daily lives and have become one of the indispensable daily necessities.
This article gives ...[Details]
1 Introduction
At present, people have higher and higher requirements for the quality of life. When people are busy with work, soymilk machine is a new type of household beverage machine. It uses so...[Details]
1 Introduction
At present, advocating health has become the focus of people's attention, and the emergence of treadmills has become more and more popular. People can exercise at home or in the ...[Details]