PRETEL99SE Chinese version, there is a problem with laying the ground, please tell me why I can't connect to the network after laying the ground, this problem is killing me,...
When the vxworks (disable MMU) program runs to malloc(1024*1024*5), an error occurs: machine check program counter: 0x793360 machine status: 0x4b000 8286f4 vxTaskEntry +60 : 324ec ([]) 722f88 wBufferM...
There are many available peripherals on the car, such as RGB lights, LED dot matrix, ultrasonic module, tracking module, etc. To play with the car, you need to adjust the peripherals on the board.The ...
Unconsciously, another year has passed. When I think about it carefully, this is already my 7th year in the electronics industry.When I was a graduate student in 2012, I registered for EEWORLD under t...
As a freshman, my teacher asked me to use LM5117 to make a 12V input and 6V output circuit (no other hard requirements). I want to know how to do it. What if the pins are too small to solder?...
Remote keyless entry (RKE) systems have become popular with users, with more than 80% of new cars in North America and more than 70% in Europe equipped with RKE systems. In addition to the obvious ...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[Details]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]
The principles to be followed are as follows:
(1) In terms of component layout, related components should be placed as close as possible. For example, clock generators, crystal oscillat...[Details]
Abstract: Based on the analysis of the characteristics of the IRIG-B (DC) code type, a design method for IRIG-B (DC) time code decoding is proposed. This method consists of a small number of periph...[Details]
Traditional synthesis techniques are increasingly unable to meet the needs of today's very large and complex FPGA designs implemented in 90nm and below process nodes. The problem is that traditio...[Details]
(1) Open circuit voltage of the battery
(2) Internal resistance of the battery
(3) Battery operating voltage
(4) Charging voltage
Charging voltage refers to the voltage applied ...[Details]
Automotive electronics are in a noisy environment
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so automotive electronics must have excellent electromagnetic compatibility (EMC) performance. The most important part of automotive elec...[Details]
1. Overview
With the development of science and technology, PLC is increasingly used in industrial control. The reliability of PLC control systems directly affects the safe production and economic o...[Details]
Infineon's ICL8001G adopts a single-stage flyback and PFC controller with quasi-resonant operation mode, with a power factor greater than 98%, LED driver efficiency up to 90%, an operating voltage up ...[Details]
The Challenge:
Protect historical relics by monitoring environmental factors without affecting their original appearance.
The Solution:
Developed a monitoring system for the...[Details]
Motor vehicle garage management control system
1. Usage Requirements
1. There are 70 parking spaces in the garage. Each parking space has a door at the entrance. There should be a control...[Details]
At present, in the electrified section, the train power supply system is a passenger car power supply device installed in the locomotive (trailer) that steps down and rectifies the 25 kV single-phase ...[Details]
We software engineers love to find the perfect solution to any problem we encounter. But oddly enough, we find that in this particular area, there is no perfect solution. Clever tricks may save som...[Details]
0 Introduction
In daily life, single-chip microcomputers have been used more and more widely. It is small in size, light in weight, highly integrated, has strong anti-interference ability, and...[Details]