CString uvcalpara; uvcalpara=_T("1.290"); float k; swscanf(uvcalpara,_T("%f"),&k); float u=0; u=2*k; CString l; l.Format(_T("%0.3f"),k); This is my program. In single-step debugging, k is always displ...
3×1W LED driver, EMI passed the report (the picture shows the L line conduction diagram), if the Y capacitor 102/250V is not added; what will the curve look like, will EMI pass? Because the board can’...
Introduction to Serial Communication
Classification by data transmission direction
Simplex : Data transmission only supports data transmission in one direction
Half-duplex : allows data to be transmit...
[url=https://download.eeworld.com.cn/detail/tyw/559833]Automotive Bus_LIN 44 pages 4.0M[/url] [url=https://download.eeworld.com.cn/detail/tyw/559832]Automotive Protocol LIN Bus Latest Chinese Edition ...
[i=s]This post was last edited by 1nnocent on 2022-7-31 10:39[/i]Now let's adjust the evaluation plan and add a practical section on how to control the VGA display with one button.This experiment real...
This voice recorder has 8GB of memory and can record audio in WAV format. It has basic functions such as FM and MP3. The most important thing is that it is really a pen and can write.{:1_103:} We will...
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[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]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[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]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
Capacitance Measurement
Used to verify that capacitors meet the manufacturer's specifications. For quality control, a group of capacitors may be placed in an environmental chamber and the cap...[Details]
Introduction
Automakers are working to reduce vehicle weight to reduce CO2 emissions and improve fuel efficiency. Designers are therefore seeking new technologies and design techniques that can...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[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]
To understand how and why OLED power supply affects display image quality, you must first understand OLED display technology and power supply requirements. This article will explain the latest OLED...[Details]