SI522 (ultra-low power 13.56M chip) replaces rc522 and is fully compatible with PIN to PIN. SI522 is a member of the highly integrated card reader and writer series chips used in 13.56MHz contactless ...
I have limited knowledge and am trying to learn the original signal values of the parameters obtained by the OBD2 plug and research the extended function equipment.
Ask for help from the seniors:
1. T...
I was on a business trip these days, and when I had nothing to do, I carefully studied the video tutorial of Wildfire's "Practical Guide to Motor Application Development - Based on STM32". The charact...
After 45 days of evaluation, I have a basic understanding of this new chip launched by Qinheng. Now I will make a summary of the entire evaluation process.Hardware:The development board used this time...
This content is originally created by EEWORLD forum user Silicon Robot . If you want to reprint or use it for commercial purposes, you must obtain the author's consent and indicate the source...
Synopsys: Strengthening software reliability throughout the entire lifecycle of connected vehicles, fastening your seat belts at every stage
In just a few decades, vehicles have evol...[Details]
This is a c51 program that uses software to decode pt2262 signals. It has been tested and can be used. Please note that the receiving module should be far away from the crystal oscillator of the micro...[Details]
0 Introduction
Sensitivity is a measure of how sensitive the receiver is in detecting the wireless signal sent by the transmitter, and how it can successfully decode or receive the minimum ele...[Details]
1. Excitation method of DC motor
The main excitation modes of DC generators are separately excited, shunt excited and compound excited.
1. Separately excited DC
motor
Figu...[Details]
Tesla will hold an autonomous driving investor day event on the 22nd of this month, and hopefully it will be able to provide some details about its autonomous driving research and development work at...[Details]
As mobile chip suppliers increasingly focus on 5G solutions, the supply of 4G smartphone chips is shrinking. Industry insiders revealed that 4G mobile chip prices will rise in the second half of this...[Details]
On February 6, according to a recent announcement released by Hengkun Co., Ltd., based on the company's own business development needs and strategic development planning needs, after careful consider...[Details]
As the United States is mobilizing its national strength to suppress Huawei, Skyworks, one of the country's major core suppliers, is well aware of its own situation. However, according to foreign med...[Details]
If the mobile power bank is not used, it will break easily. So how should the mobile power bank be maintained so that it will not break easily if it is not often used? Just pay attention to the foll...[Details]
The control of the frequency converter is nothing more than the basic logics of start, stop, forward, reverse, and speed regulation. These logics basically require the level state to be valid, rath...[Details]
With the continuous improvement of material life, people are paying more attention to the safety of people and property, and are looking forward to the birth of intelligent alarm systems that can pla...[Details]
1. Design
1.1 Square wave generating circuit The
555 timer constitutes a multivibrator circuit. The circuit amplitude and duty cycle are adjustable, the generated square wave is unipolar, and the ri...[Details]
The market demand for Class D audio power amplifiers is growing at a rate of about 50% per year, with high-performance devices as the target application. The high energy efficiency and low heat cha...[Details]
This week, there were some "outrageous comments" in the automotive industry again.
On October 24, Beijing time, Luo Jian, general manager of the marketing department of CATL, said at a p...[Details]
RF/Wirelessly
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