Dear experts: I need to send a set of data to HID Device, using comtrol endpoint0. 1. When I use HidD_SetFeature to send a Feature report to HID, it can be sent successfully (HID report descriptor of ...
[align=center][font=黑体][size=3]I upgraded from win7 to win10, and the keil4 software is no longer usable. Reinstalling it doesn't work either. Please give me some advice! Please give me the installati...
3G test: [align=center][/align] [b]Linux 3G dial-up tools: [/b] [font=Tahoma][size=3] Linux 3G dial-up tools, including pppd and chat, sometimes even need usb_modeswitch[/size][/font][font=华文细黑][size=...
I am an electronics student who has just learned to draw boards. Then I learned that Jiali Chuang can make boards for 5 yuan, so I want to make a set of PCB playing cards. I am not very familiar with ...
[align=left][b]Chapter 9 Serial Port Experiment[/b] The previous two chapters introduced the IO port operation of STM32. In this chapter, we will learn about the serial port of STM32 and teach you how...
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[Details]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
Today, with energy becoming increasingly scarce, the utilization of natural energy has become the focus of people's attention. Among various natural energies, the endless solar energy is highly fav...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
Against the backdrop of global warming, energy conservation and emission reduction have become a global hotspot and focus, which has also sounded the clarion call for the take-off of the LED lighti...[Details]
In order to prevent the lithium battery from being damaged by abnormal conditions such as overcharge, over discharge, and overcurrent, a lithium battery protection device is usually used to prevent...[Details]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
Power supply is often the most easily overlooked link in the circuit design process. In fact, as an excellent design, power supply design should be very important, which greatly affects the perfor...[Details]
Embedded System
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