I think this way: After setting and starting the timer, the timer starts counting, and once the specified delay ends, the function is immediately called. But if the timer is not closed when the time i...
STM32F103VEcan see the USB drive letter from the computer, and the files can be read out at a fast speed.But it just can't write to it, and it prompts a timeout error.I use USBlyer to capture packets,...
There are two solutions on the Internet: One is the serial port problem, namely ttySAC0; the other is the clock frequency problem. I have ruled out both of these, but it still doesn't work! The proble...
The application is very simple. The 2003 input is connected to the MCU IO, and the output is connected to a heating wire (the heating wire resistance is about 100 ohms). The current phenomenon is that...
Hello, everyone.I'm new here, and I have a question that I'd like to ask you for help.
My company has developed a product using the Hetai HT1621 microcontroller. Since it controls the LCD display, we ...
[backcolor=rgb(222, 240, 251)]The circuit diagram is as shown above. [/backcolor] [backcolor=rgb(222, 240, 251)]After power on, the voltage across C81 is -12.09V, no problem. [/backcolor] [backcolor=r...
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]
Nippon Electric Works and Volvo Technology Japan have developed a wireless power supply system for electric vehicles (EVs). Using this system, the two companies have successfully conducted an exper...[Details]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[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]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[Details]
0 Introduction
Wireless Sensor Network (WSN) monitors the target by deploying a large number of sensor nodes in the target area. WSN realizes the positioning and tracking of the target, determi...[Details]
Features
POE technology can ensure the safety of existing structured cabling while ensuring the normal operation of the existing network and minimizing costs. The IEEE 802.3af standard is ...[Details]
1. Introduction
The advancement of USB technology makes designers prefer USB interfaces in PC peripheral development. However, existing
virtual instrument
development platforms such...[Details]
In recent years, the technology of Class D amplifiers has developed rapidly, and the most common application is in low-power products with each channel less than 50W. In these low-power application...[Details]
Workers in garment factories usually turn on the power of the sewing machine motor as soon as they get to work and do not turn off the sewing machine power until they get off work. In fact, during ...[Details]
1. What is the basic working principle of power supply?
A: It converts the input higher alternating current voltage (AC) into the lower direct current voltage (DC) required for the PC to work ...[Details]
1 Introduction
The automobile drum test bench (also known as chassis dynamometer) is a large-scale indoor automobile test equipment and a bench test system for completing automobile whole vehi...[Details]
This article starts with a comparison between two discrete MCUs and a single-chip dual-core MCU (taking LPC4350 as an example), and then introduces the basic knowledge and important features of asy...[Details]
Embedded System
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