[i=s] This post was last edited by dcexpert on 2018-2-27 22:31 [/i] microbit (newbit is also OK) uses two ways to drive I2C 1602 LCD: python and makecode.makecode:Online editor: [url=https://makecode....
I am helping my teacher with a robot project. I use a 5v battery to control a microcontroller, 4 servos, and 4 DC motors, but the program keeps running away and the servos keep shaking. I only use a 4...
Urgent! Can any kind-hearted person help me! I have a problem with the dual serial port multi-machine communication of W77E58/w77e058! I use a W77E58/w77e058 as the master, and communicate with multip...
[code] #include
sbit d1=P1^1; //Connected to a light emitting diode, the light turns on when the level is low sbit rx=P3^0; void delayms(unsigned int x) //Delay x milliseconds { unsigned int i,j; for(...
Embedded systems are the replacement products of computer technology, communication technology, semiconductor technology, microelectronics technology, voice and image data transmission technology, and...[Details]
The circuit shown in the figure is a three-digit tachometer used to measure low frequency signals with a repetitive time interval of 0.235 to 15 seconds. The tachometer has a speed range of 4 to 255 r...[Details]
The role of digital-to-analog converters
Real-world analog signals, such as temperature, pressure, sound, or images, are constantly being converted into digital form that is easier to store, p...[Details]
Signal sources have developed to a very wide range today. We can classify them according to the frequency range: ultra-low frequency (0.1m~1kHz), audio (20Hz~20kHz), video (20kHz~10MHz), radio fre...[Details]
When you hear the word digital TV, you may feel fresh and excited, but when it comes to what digital TV is and what it can bring us, you may still be confused. You must be very eager to understa...[Details]
introduction
Video surveillance systems are widely used in industrial, military and civil fields, playing an important role in the security and environmental monitoring of these industries...[Details]
In today's world, terrorism poses a severe challenge to social development, national stability and human progress. "Terrorism, political corruption and environmental pollution" are known as the thr...[Details]
0Introduction
As a service robot in the field of medical care, the application of smart wheelchairs makes extensive use of mobile robot technology. The key technologies involved in the researc...[Details]
Combined with Samsung's ARM9 series embedded processor S3C2410, this paper explains how to perform modular programming of LCD driver and how to statically load the driver into the system kernel.
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introduction
Traditional electric actuators are easy to use and save investment, and have been widely used in production process control systems in the fields of electricity, metallurgy, petro...[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]
Abstract:
Online dynamic signature authentication is increasingly used in various fields, especially in banking and financial systems and personal identification. As the basis of online signa...[Details]
Abstract
Modbus protocol has become the first choice of communication protocol in the current industrial field due to its openness, transparency, low cost and easy development. This paper int...[Details]
Abstract
: This paper introduces the general structure of the driver under the currently popular open source embedded operating system μClinux, as well as the connection between the touch scr...[Details]
Test equipment manufacturers are constantly challenged to develop new test solutions that meet the latest product testing needs of their customers, and they often design specialized hardware t...[Details]