Development Board Hardware AnalysisCore board:The power supply of the core board's 50MHz active crystal oscillator uses a 22Ω resistor in series with the main power supply to isolate power supply nois...
I recently learned about RC filtering and RC oscillation circuits, and I feel that these two circuits are a bit contradictory.
because:The RC oscillation circuit is used to produce a fluctuating wavef...
The small device uses a motor to control a thin sheet to touch the capacitive screen of the mobile phone, and then bounce back, realizing a simulated finger touch. (There are several sets of controls,...
Hello, moderator. I am using STM32 to control DM9000, but I cannot connect to the network. ARP is sent but not received. Other functions such as reading ID and register are normal. I used to control i...
Why are the two stages of a direct-coupled amplifier circuit interconnected? Why does it easily cause the base current of tube T2 to be too large? [[i] This post was last edited by sinzcosytanx on 201...
[size=18px] I am a junior this year, majoring in electrical automation. I have interned outside during the winter and summer vacations. I am familiar with C, ARM-Cortex, ARM11, and Linux. I also learn...
From being a global leader to losing the market, Korean battery manufacturers have always wanted to regain the lost market and dignity, but facing Chinese battery manufacturers represented by CAT...[Details]
The intelligent driving community has its own rhythm. Some are busy pushing new versions and focusing on R&D, others are busy with publicity and promotion, and still others are immersed in mass pro...[Details]
The problem of dynamic sealing of equipment always exists with the operation of the equipment. Today, we have specially sorted out the various commonly used sealing forms, usage scope and character...[Details]
New energy vehicles are increasingly popular with consumers due to policies and energy conservation. Once you've purchased your vehicle, maintenance is essential. However, due to the different powe...[Details]
In recent years, with the application of the IEC61850 standard and the development and deployment of optoelectronic transformers, the concept of digital substations has been put into practical use ...[Details]
On August 22, the National Energy Administration released the latest data, showing that by the end of July 2025, China's total number of electric vehicle charging infrastructure will reach 16.696 m...[Details]
The digital TV set-top box consists of a tuner, QAM demodulator, TS demultiplexer, MPEG-2 decoder, PAUNTSC video encoder, embedded CPU system and peripheral interfaces, CA module, and uplink data m...[Details]
introduction
The concept of the smart home is gradually developing and gaining market acceptance. We believe its ultimate form lies in the interconnection of all home appliances through open i...[Details]
Electric vehicles are becoming increasingly popular, with increasingly longer ranges. There are two ways to charge electric vehicles: slow charging and fast charging. Which is the most suitable? Sl...[Details]
The complexity of the integrated circuits (ICs) used in electronic systems in vehicles is increasing. They aim to execute artificial intelligence (AI) algorithms to control autonomous driving funct...[Details]
Through AI connection technology supported by Qualcomm X85 5G modem and RF and Qualcomm FastConnect 7900 mobile connection system, seamless switching can be achieved between cellular net...[Details]
Teletrac Navman has launched the Multi IQ dashcam, a cloud-based solution designed for large commercial vehicle operators. It connects up to five cameras to cover the vehicle's interior, sides, and...[Details]
On August 20, Geely announced its focus on "One Cockpit". Through a unified AI OS architecture, a unified AI Agent, and a unified user ID, it will achieve an All-in-One AI cockpit, create the first...[Details]
The difference between a series inverter and a parallel inverter is that they use different oscillation circuits. A series inverter connects L, R, and C in series, while a parallel inverter connect...[Details]
Methods of DC motor speed regulation:
1. The voltage regulator can be used to change the input voltage and speed directly, which is often used for large kilowatt-level motors.
2. Thyristo...[Details]
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