[i=s]This post was last edited by a736015 on 2014-5-29 17:14[/i] [align=left][font=宋体]1. Design requirements: input[/font]DC8-16V[font=宋体], output[/font]5V/1A[/align][align=left][font=宋体]2. Applicatio...
Application of TI battery management solution in smart locks [size=5][b][url=https://training.eeworld.com.cn/TI/video/9362]Web link[/url][/b][/size] [size=5] [/size] [size=5] [/size]...
callusbdi Windows WDM Device Driver Development Guide (Chris Cant) There is a dead wait when calling at dispatch_level, but the normal book also says that it can only be called at passive_level. What ...
Using a mobile phone as a monitoring terminal is simple and easy to use. At the same time, if the mobile phone is taken away, the communication will be disconnected, and the mobile phone and the devel...
[i=s]This post was last edited by damiaa on 2022-3-20 11:10[/i][Sipeed LicheeRV 86 Panel Review] + Hardware Circuit and Resources
I recently started to review the Sipeed LicheeRV 86 Panel and found th...
[color=#000]I am currently using the mp3202 IC to drive our LED lights. The driving circuit is shown in the figure. The difficulty I am facing now is that the total efficiency is 75% when enabled, wit...
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[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]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[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]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
1 Embedded Systems
Embedded System refers to a collection of computer hardware and software with specific functions or purposes, which is divided into embedded software system and embe...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[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]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]