I have to write this topic for my graduation thesis. I know that I should choose a 51 microcontroller with a USB port to build the system. I am at a loss as to the rest. I hope experts can give me som...
When using the USB interface to burn the WINCE system, the PC is used as the HOST and the ARM is used as the device. Then the B channel of 9G45 (used when used as a device) should be used, the positiv...
The global variables are defined in the header file myhead.h:
union unit16{struct bit_def{char b0:1;....char b15:1;}bit;
unsigned int word ;};
union unit16 ControlR;
#define AO1 ControlR.bit.b0
#defin...
[size=5]I got the LCD working today!! [/size] [size=5][color=#ff0000]But there is a problem. Beaglebone must be powered on first. If they are powered on together, Beaglebone will not work. The reason ...
DIY mobile phone + Blue Rain Night Material preparation During this period, I have been selecting components. First prepare the necessary components, buy what should be bought, apply for what should b...
Please help me, I want to use 74hc595 to realize this function: #include "stc12c5410.h" #define uchar unsigned char #define uint unsigned int #define CAT=p1_5; #define STB=p1_6; #define CLK=p1_7; //St...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
1 Introduction
A wide variety of communication cables and control cables are widely used in various instruments and control equipment. Whether the cable is well-conducted and
whether
th...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
In this article, the high-performance DSP developed by TI can be used as an effective confidentiality method if it is applied to PC encryption cards.
As an effective network security solution,...[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]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
Contact resistance
is the resistance to current flow through a closed pair of contacts. This type of measurement is performed on devices such as connectors,
relays
, and switches. The...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
1 Introduction to HART Protocol
HART (Highway Addressable Remote Transducer), an open communication protocol for addressable remote sensor high-speed channels, was launched by Rosemen in the U...[Details]
MediaTek (2454) announced the acquisition of F-MStar (3697) and attracted the attention of IC design industry. This morning, Gartner Semiconductor Industry Research Director Hong Cenwei analyzed ...[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]
LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces...[Details]