I have a S3C2440 board. After installing it and powering it on, the three serial ports seem to be short-circuited. The resistance between them is only a few dozen ohms. When I connect the serial port ...
I have defined that if P2.4 is low level, an operation is performed to make the value of a variable +1. Now I connected a switch to the P2.4 port, [color=#FF0000] the kind of button switch that pops u...
[i=s]This post was last edited by alan000345 on 2019-11-22 09:26[/i]The 5G era has begun, which is shaping a smart world where everything is connected and empowering thousands of industries. As the sc...
[font=微软雅黑][size=3][color=#000000]For thermal control instruments, we should strive to achieve universality and mutual compatibility during design. Universality means that the same instrument can disp...
[align=center]Using System Console Tool to Debug SoC Design[/align][align=left][b]Overview[/b][/align][align=left] Traditional FPGA logic engineers do have some difficulties in starting to design FPGA...
[Preface] Transplanting RT_Thread is one of my evaluation projects. I will not elaborate on the specific benefits of RT_Thread here. Here I will describe in detail how to implement the transplantation...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[Details]
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
To differentiate their products in a crowded and competitive market, manufacturers of handheld devices often consider battery life and power management as key selling points for cell phones, PDAs, ...[Details]
July 11, 2012, Beijing - Altera Corporation (NASDAQ: ALTR) today announced the launch of 40-Gbps Ethernet (40GbE) and 100-Gbps Ethernet (100GbE) intellectual property (IP) core products. These core...[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. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
In the single-chip microcomputer system, in addition to display devices, sound devices are often used, and the most common sound device is the buzzer. Buzzers are generally used for some low-demand...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[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]
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]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]