How to write a single stream driver for the keyboard? There are two unsolved problems. I would like to ask the experts: (1) How can the keyboard driver send the scanned keyboard value to GWES? Which f...
i.MX25 is a Freescale ARM9 processor with a 400MHZ main frequency and a DDR2 controller. It is designed for the industrial market and is similar to TI's AM18xx and atmel's. This is a good choice for i...
Unstable, resources cannot be uploaded. Sometimes when the upload interface appears, the username is not yours!! And no resource has been uploaded successfully. Although it is prompted to be successfu...
[i=s]This post was last edited by YangTwo on 2021-7-23 15:38[/i]Today I received the PG22 board sent by the moderator. It is very beautiful and I would like to share it with you.
First of all, the red...
I'm working on a stepper motor recently and want to use a single-chip microcomputer to control it. However, the stepper motor is relatively large and the drive current is over 2A. Could any experts pl...
Hello everyone. I've been studying the SBL upgrade of CC2540 recently. When I used the official Serial Bootloader Demo Tool V1.1 tool to import the bootload BIN file into the target board, a timeout e...
1. Introduction
This design was made for participating in an electronic design competition. It effectively solved the problem of the operation and control of an electric car on a seesaw. The s...[Details]
With the advent of increasingly powerful processors, image sensors, memory, and other semiconductor devices, as well as the algorithms that enable them, computer vision can be implemented in a wide...[Details]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
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]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
As people's requirements for safety and comfort in the process of driving cars continue to increase, automotive radars are widely used in the car's adaptive cruise system, collision avoidance syste...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[Details]
1 Load Regulation
Changes in power supply load will cause changes in power supply output. When the load increases, the output decreases, and vice versa, when the load decreases, the output inc...[Details]
The principles to be followed are as follows:
(1) In terms of component layout, related components should be placed as close as possible. For example, clock generators, crystal oscillat...[Details]
Abstract: Based on the analysis of the characteristics of the IRIG-B (DC) code type, a design method for IRIG-B (DC) time code decoding is proposed. This method consists of a small number of periph...[Details]
Traditional synthesis techniques are increasingly unable to meet the needs of today's very large and complex FPGA designs implemented in 90nm and below process nodes. The problem is that traditio...[Details]
In recent years, the application of single-chip microcomputer systems in the field of industrial measurement and control has become more and more extensive. However, for industrial sites with harsh...[Details]
With the rapid development of information technology represented by computers, semi-physical simulation technology plays an important role in many military and civilian fields such as aerospace and co...[Details]
In view of the price and performance differentiation of Chinese home video intercom and security products, this paper analyzes
the design of smart terminals based
on a Chinese original
...[Details]
Embedded System
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