[Request] Experts, please help me draw a circuit diagram of NEC720114 as USB hub. I think this IC is relatively stable, so I hope friends who have used this IC can help me draw a diagram. Remuneration...
Is it true that there is no problem when two PLLs are connected in series during synthesis, but there will be problems during routing? ? Because generally we connect them in the way of IBUFG+BUFG, and...
When I was an engineer, I used many USB to serial data cables, and found that only this data cable could adapt to the ISP download of STC microcontrollers. At that time, I asked STC Shanghai Company (...
Please help me! This is the basic equivalent test circuit of ADC driver ADA4932-1. I simulated it in multism. The red waveform is the input signal and the other is the output waveform. The output wave...
Help: How to simulate a phone off-hook? I'm working on a remote control project recently, but I don't know how to simulate a phone off-hook? Especially, what is the circuit after the phone is simulate...
The situation is this: I plan to use an electromagnet to absorb iron objects. When the electromagnet is 5mm-1cm above the iron object, I power it up to absorb it. So I need to detect the distance betw...
To understand why car engines need gearboxes, we must first understand the characteristics of different types of engines. An engine refers to a machine that can convert a form of energy into kineti...[Details]
On August 21st, Zhiyuan Robotics revealed at its first partner conference that it expects shipments to reach thousands of units this year and tens of thousands next year. The company hopes to reach...[Details]
Tires are a very important component for cars. They are related to the driving experience of the vehicle. We are almost inseparable from cars in our daily lives. For tires, according to the role of...[Details]
New version helps developers build secure and trustworthy embedded systems
Shanghai, China—August 21, 2025—
QNX, a division of BlackBerry Ltd., today announced the release of QNX...[Details]
Generally not, but there are exceptions. For example, a torque motor controller with three-phase output voltage imbalance can cause current imbalance, similar to a phase loss. However, only two pha...[Details]
This series of articles aims to help readers have a brief understanding of the Hongke KPA Automation system and to quickly get started with MoDK, including: an introduction to Hongke KPA Automation...[Details]
Since entering the electronic components industry, I've learned that electronic components come in different packaging types. Some people have argued that different types of components may look the...[Details]
Currently, PLCs are widely used in various industries, including special machine tools, machine tools, control systems, building automation, steel, petrochemicals, electricity, building materials, ...[Details]
Which one has lower driving cost, electric vehicles or fuel vehicles? This is a topic of great concern to car users. Structurally, electric vehicles do not have mechanical transmission systems such...[Details]
The core of electric vehicle technology lies in the "three-electric" system: the electric drive system, the battery system, and the electronic control system. These three systems constitute the key...[Details]
What is the difference in response time when the output uses cyclic refresh and direct refresh?
The time required from when the PLC receives an input signal to when the PLC outputs a con...[Details]
On August 18, John Krafcik, former CEO of Google's Waymo, recently questioned Tesla's Robotaxi service. He said: "Please notify me when Tesla launches Robotaxi. I'm still waiting. If there are empl...[Details]
Recently, seven A-share listed companies have responded intensively to disclose
their progress in
the solid-state
battery
sector.
On the battery side, Penghui Energy,
Guoxuan H...[Details]
Motors and insulating varnish are inseparable. The composition and manufacturing technology of insulating varnish have been continuously updated and improved, driving the rapid development of motor...[Details]
1. One-way starting control circuit
1. Circuit operation analysis
1) Close the power switch QS and press the start button SB2. The contactor coil KM is energized, the normally open ...[Details]