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...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[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]
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]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[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]
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]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[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. 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]
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]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[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]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]