What is an antenna vibrator : https://training.eeworld.com.cn/course/5791This course will share with you some basic knowledge about antenna oscillators....
I finally received the development board today. When I unpacked it, I saw the development board and debugging tools shown in Figure 1.Figure 1 Development board and debugging tools
After power-on, exc...
Low frequency RFID chips (passive) operate at a frequency of around 130kHz. The main applications are currently access control, animal ID, electronic lock frames, authorization checks for machine cont...
Electric motorcycles have become popular in the market in recent years due to their advantages of energy saving, emission reduction, space saving and easy driving, and their sales have been rising ste...
"Is a gaming phone really necessary?" Faced with the soul-searching question from iQOO's official Weibo account, ordinary users really don't seem to know how to answer. In fact, since the day iQO...[Details]
The source program of the 51 single-chip PCA9685 driver board driving the servo single-chip is as follows: #include reg52.h #include intrins.h #include stdio.h #include math.h type...[Details]
01 Introduction to MCU External Interrupts The so-called external interrupt is an interrupt caused by an external signal, such as the level change (high level, low level), edge change (rising...[Details]
Brain tissue has a high metabolic rate, and its oxygen consumption accounts for 20% of the total body oxygen consumption. It is also particularly sensitive to hypoxia. Short-term hypoxia may cause ...[Details]
There are two basic reasons for using audio tone circuits. The first reason is to regulate the bandwidth of the signal as it enters the audio power amplifier. If the bandwidth is not limited, the o...[Details]
According to foreign media reports, researchers at Tokyo Metropolitan University have developed a new quasi-solid cathode for solid-state lithium metal batteries that can significantly reduce the int...[Details]
As high-fidelity audio systems become larger and more power-hungry, Class D audio amplifiers are being redesigned to meet the unique challenges of automotive audio design. The growing number of fea...[Details]
Samsung announced this week that it will cooperate with Korean sports brand FILA to launch a limited edition of Galaxy Buds Live true wireless headphones, and the new product will be available...[Details]
The electromagnetic interference generated by the switching power supply often affects the normal operation of electronic products, so the correct PCB layout of the switching power supply becomes ve...[Details]
In the final analysis, the development of single-chip microcomputer programs depends on diligent study, more practice, and more accumulation. There are too few people like Newton and Einstein in this ...[Details]
The three major A-share indices closed mixed today, with the Shanghai Composite Index down 0.10% to 3363.59 points; the Shenzhen Component Index up 0.10% to 13421.16 points; and the ChiNext Index up ...[Details]
According to the Financial Times, the Shanghai Intellectual Property Court recently accepted a patent infringement lawsuit filed by Shanghai Jingfeng Mingyuan Semiconductor Co., Ltd. (hereinafter ref...[Details]
Over 3 million cars are sold in the U.S. each year, and over 700,000 are stolen. Unfortunately for car owners, anti-theft technology has not kept pace with modern developments, which has created a hu...[Details]
Abstract: This article introduces the internal structure, pin functions, design features and parameter limitations of the three-phase AC power supply phase sequence detection and protection inte...[Details]
Recently, we received an antique airbag controller removed from a BMW by a netizen. The 03-08-14 on the label may be the production date. Was it produced on August 14, 2003? According to relevant...[Details]
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