The left side is connected to the microcontroller, and the right side is connected to the button. Why is the IO port still at a high level when the button is pressed? Is there a way to use the 51 prog...
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As usual, the development board is displayed first. I opened the express package and saw the development board packaging. It seems that they are cutting costs and saving the packaging box. This shows ...
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1. Introduction
In the measurement and control system with single-chip microcomputer as the core, the microcontroller often needs two or more serial ports to communicate with other hosts or pe...[Details]
The principle of circuit application of multi-sensitivity solid-state controller and other integrated circuits and photoelectric input
Working principle: The output state of digital circuits such a...[Details]
test.c includes 3 header files
#include "stm32f10x_lib.h" some library functions of stm32
#include "sys.h" system clock initialization and some delay functions
#include "led.h" running light relate...[Details]
On July 5, news source @jaykihn0 tweeted yesterday (July 4), sharing the specifications of Intel's 800 series chipsets. The preliminary specifications include 5 SKUs: H810, B860, Q870, Z890 and W88...[Details]
Making chips is difficult, and making WIFI6 chips is even more difficult. Sanwuwei previously launched a WIFI6 switch and became the exclusive supplier of a WIFI6 chip platform. Its shipments have re...[Details]
It has to be said that the performance of the A15 is still very strong even now. Although the new Galaxy S22 lineup represents one of the top flagship products in the Android camp, these devices stil...[Details]
近期日本完成了“卡车后车无人列队跟驰”开放道路验证测试，藉此契机本文对列队跟驰技术在世界主要国家地区的发展历程和近期动向进行了汇总介绍，并对列队跟驰技术的发展现状和前景进行了简单评述。 Truck Platooning, also known as platoon driving, platoon driving, platoon following, platoon driving, tr...[Details]
On September 21, China Datang Corporation and the People's Government of Qinghai Province signed a strategic cooperation agreement in Xining. Before the signing, Zou Lei, Party Secretary and Ch...[Details]
1. Basic Principle of Leeb Hardness Tester With the development of monolithic technology, in 1978, Swiss Dr. Leeb first proposed a new hardness test method. Its basic principle is that an impact body...[Details]
The soc of mini2440 uses s3c2440. Because the board was burned with NOR after it was bought, and NOR startup is too simple, so I mainly record NAND startup. The principle of NAND startup of s3c2440 i...[Details]
1. Bus: We know that a circuit is always made up of components connected by wires. In analog circuits, wiring is not a problem because the devices are generally serially connected and there are not ma...[Details]
In recent years, intelligent and automated technologies have attracted more and more attention in the field of toy manufacturing. This article introduces the design of an intelligent car control sys...[Details]
1 Introduction The timer is a very important part of the MCS-51 microcontroller. Since its application is related to other hardware of the microcontroller, there is a certain complexity . The timer ...[Details]
(1) Before measuring, the size of the current to be measured should be estimated, and the appropriate range should be selected so that the pointer indicates more than the base scale during measuremen...[Details]
1. Introduction
With the development of online video platforms, users' demand for 4K high-definition quality is growing. However, many users have found that even if they have purchased m...[Details]
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