1. First of all, I want to ask if the north test signal can be directly added to the corresponding pin? ? This is the port configuration: P1DIR &=~BIT1; //p1.1 input P1SEL|=BIT1; //P1.1 //Capture exte...
The main application scenarios of short-range wireless products come from the emerging Internet of Things. The application scenarios of the Internet of Things are diverse, and various short-range wire...
I want to write a soft keyboard (with its own UI, the layout of the keyboard is similar to that of a normal keyboard) that can input English and Chinese characters using Pinyin. English is simple beca...
[i=s]This post was last edited by liyajun99 on 2018-1-2 22:22[/i] This is an encrypted file. I would like to ask for your help. It would be ok if you could give me a method to understand it....
When I was writing a 2812 program, I had to use an array in bytes, so I defined it as follows, and there was no problem on MC68332 and other microcontrollers.typedef unsigned char BYTE;typedef unsigne...
Recently, the development boards in the trial activities of NXP development boards all have Arduino hardware interfaces. It is found that the netizens who tried them seldom pay attention to and share ...
The latest C language tools allow you to quickly complete the design of algorithm-intensive applications even if you are not proficient in hardware development.
Hardware designers have b...[Details]
As the whole equipment is constantly miniaturized and power-saving, low-power-consumption low-dropout linear regulators (LDO) are becoming the mainstream of the linear regulator market for switching p...[Details]
Today, various applications such as consumption, computers, industry and instruments urgently need compact and effective power solutions, while also meeting the requirements of efficiency, fast tra...[Details]
introduction
Like other
portable
electronic products,
blood flow parameter detectors
need to be small, thin, durable, reliable, and have a long standby time. Therefore, system desi...[Details]
Preface
For a long time, SD cards with Flash Memory as storage have been widely used in consumer electronic products due to their small size, low power consumption, erasable and non-volati...[Details]
1. What is fading?
In terms of scope, fading can be roughly divided into three types: large area fading, small area fading and indoor fading. As shown in Figure 1, large area fading refers t...[Details]
The rapid growth of consumer video applications, from portable media players and cell phones to video game consoles, requires a multitude of different interfaces and adapters to enable users to tra...[Details]
When it comes to ATX power supply, people will think of two "classic" ICs: pulse width modulation chip TL494 and voltage comparator LM339. The new dedicated control chip AT2005B has the functions ...[Details]
0 Introduction
In modern industrial production and scientific and technological research, various data usually need to be collected. The commonly used data acquisition board collection met...[Details]
The growing global interest in green power has added new variables to the design of power supplies and power adapters. Designers must not only traditionally consider the design specifications requi...[Details]
Overview and application status of IC card access control
IC Card Access Control Overview
System Overview: Use IC card as the carrier to realize identity recognition and access co...[Details]
After more than 20 years of development, Ethernet has become an indispensable part of the underlying connection in modern Internet. It is easy to network and has better openness, making it one of t...[Details]
1. Overview
At present, there are many cases related to motor vehicles among all kinds of criminal crimes, such as hit-and-run, theft and robbery of motor vehicles, etc. If an automatic mo...[Details]
The relationship between time and frequency
There is no conceptual difficulty in understanding what happens when a steady-state DC signal is applied to a voltmeter. However, if the signal ...[Details]
In view of the fact that a single ordinary type of fire detection alarm can no longer meet the demand, the use of multiple sensors to comprehensively collect various abnormal information before a f...[Details]
Microcontroller MCU
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