If I compress a BMP bitmap to PCX format, will it take a lot of time to decompress it in memory? Will it take a lot of time compared to directly importing the BMP bitmap? Thanks!...
I just started to use stm32f103vdt6 and wrote a program. Could you please tell me how to adjust the frequency and how to calculate the frequency? Part of the program is as follows: void DAC_Configurat...
[i=s] This post was last edited by hu帕拉图的永恒 on 2015-5-21 10:15 [/i] 1. When drawing lines, the 15V and 3.3V numbers are very small and need to be enlarged. However, it is not easy to find the target w...
[align=left]1. Introduction[/align][align=left]The previous article talked about the cyclic display of key interrupt. Originally, I wanted to add a timer interrupt to improve it.[/align][align=left]Bu...
After many people join the workforce, they always feel that they are not appreciated, that they have no place to use their energy, and that they feel depressed. In fact, the key lies in oneself, in wh...
[i=s] This post was last edited by Pinghu Qiuyue on 2014-10-19 22:14 [/i] I made a few boards with protel 10 years ago, but at that time, the components were mainly through-hole components, which were...
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[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]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
We know that microcontroller development tools generally include real-time online emulators and programmers. Among them, online emulators are very good tools, but they are also more expensive...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[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]
introduction
LEDs continue to gain popularity in automotive applications, thanks to their long lifespan and the flexibility they offer for body styling and interior design. Some may be surpris...[Details]