The sluggish automobile market this year has poured cold water on the newly emerging automotive LED lights (LED headlights). It is really tragic for LED light manufacturers. [/size] [size=15pt] Since ...
Continuing from the previous post [KW41Z] Requesting the cloud disk link of MCUXpresso - [NXP Kinetis MCU] - Electronic Engineering World Forum [url=https://bbs.eeworld.com.cn/thread-543006-1-1.html]h...
如下这个函数是在WINCE的BSP里面的,pTOC是ROMHDR结构,/* Routine to copy the flashed NK image to RAM */
int EverythingRelocate(void)
{LONG len;ROMHDR *ptoc;ULONG pc, *toc, offset, dest;/** First make sure we're running ...
unsigned char IRCOM[7]; while (!IRIN) //Wait for IR to become high level, skip the 9ms leading low level signal. {IRdelay(1);} for (j=0;j=30) { EX0=1; return;} //0.14ms count is too long and automatic...
Although the Electronic Engineering World Forum started late, it has now been successfully launched with the strong support of all friends! I hope the forum can continue to receive everyone's attentio...
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[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]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
Features
POE technology can ensure the safety of existing structured cabling while ensuring the normal operation of the existing network and minimizing costs. The IEEE 802.3af standard is ...[Details]
1 Introduction to the overall system solution
The hardware part is mainly used to amplify the sound. When the sound is loud enough, the signal can be introduced into the microcontroller for de...[Details]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[Details]
Introduction
Temperature and humidity control are widely used in people's production and life. People use thermometers and hygrometers to collect temperature and humidity, and control temperatu...[Details]
1. Introduction
Stepper motor is a basic component that converts electrical energy into kinetic energy. It has been widely used in a variety of electromechanical equipment, such as various machine...[Details]
Since the early 1950s, when ultrasound detection began to be used in the medical field, ultrasound diagnostic technology has made great progress. Ultrasonic diagnostic instruments are of various fo...[Details]
Digital frequency meter is an indispensable measuring instrument in the fields of scientific research and production such as computers, communication equipment, audio and video. The digital frequen...[Details]
1 Theoretical Analysis
Ultrasonic waves
When propagating in a suspension, the ultrasonic waves that encounter the suspended particles are scattered and attenuated at the interface, an...[Details]
This paper first proposed an elevator controller algorithm based on a finite state machine, and then designed a three-story elevator controller based on the algorithm. The correctness of the elevat...[Details]
According to a survey by the International Energy Agency, Asia and Australia used 1.65 trillion liters of oil for energy in 2004. The survey also showed that since 1990, the demand for oil has been...[Details]
Automotive Electronics
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