[color=rgb(0,0,0)]This is a rough circuit diagram. P1.4 and P1.5 control the forward and reverse rotation of the motor. The signal is sampled through P1.7 (A7 port), and the PWM wave is output from P1...
:):)I bought the laptop in 2012, so it's been 3 years now. I haven't cleaned it recently. I was a bit bored during the review these days, so I completely disassembled my laptop, took out the small fan...
I am doing a serial communication experiment. There is a MAX232 between the microcontroller and the computer for level logic conversion. There should be no problem with the hardware. I connected it ac...
[size=4]hello~hello everyone~~here comes our review of the week~~let’s take a look at last week’s situation~[/size] [size=4][color=#ff0000][b]Recommended wonderful posts:[/b][/color][/size] [size=4][u...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
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introduction
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1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
1 Introduction
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At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
Microcontroller MCU
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