[align=left][b][size=14.0pt] [/size][/b][color=red][size=14.0pt] [/size][/color][color=red][font=宋体][size=20.0pt]Teach you how to make it step by step[/size][/font][/color][color=red][size=20.0pt]Andr...
In this section, we use Qt to write a simple host computer.Experimental introduction: Assemble the UI interface and use the serial port class provided by Qt to implement the serial port receiving and ...
[b]Talk about the beam angle of LED lamps[/b] [color=#666666][font=Helvetica, Tahoma, Arial, sans-serif][size=12px]The full text introduces the beam angle issues related to LED and lighting design in ...
As shown in the picture, the silkscreen layer and solder mask layer are both turned on, but the status bar below only shows the signal layer, without the silkscreen layer and other non-signal layers. ...
#include#include#include
#define dac0832 XBYTE[0x7fff] #define uchar unsigned char uchar code to_sin[256] uchar b=0,c=0,d=0,e=0,i,k,tl,th; int bw=10;//bw is the frequency hundredths variable int t,f,m...
There are three functions related to this [size=78%][list=1][*][font=Wingdings][size=65%]n[/size][/font][/size][font=宋体][size=14pt]size[/size][/font][font=宋体][size=14pt]command[/size][/font] [size=78%...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[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]
Portable power applications are broad and varied. Products range from wireless sensor nodes with average power consumption of only a few microwatts to in-vehicle medical or data acquisition systems...[Details]
introduction
When it comes to the production of mobile phone lithium-ion batteries, the first thing that comes to mind is Japan's industrialized mechanical assembly line, NOKIO, MOTOLROLA's st...[Details]
Don’t just look at the power when choosing a power supply
We know that a power supply with a low rated power can hardly meet the power supply needs of the system, which may cause frequent free...[Details]