Hey guys, I took the test, why can't I check my score? I don't know where to find the address? Did I fill it out wrong the first time? ? ? If you know, please let me know. Thank you....
I want to take the postgraduate entrance examination for embedded systems, but I have some questions that I am not sure about: 1. Which one is better for embedded systems, Beijing Institute of Technol...
It looks simple, but it's not that simple when you actually do it. Pin definition: The RJ-45 connector consists of a plug and a jack (or socket). The jack is installed on the machine, and the plug is ...
[color=rgb(34,34,34)][backcolor=rgb(238,238,238)][font=Tahoma][backcolor=white]Help, I can't measure the frequency with launchpad TimerA. Here is the code[/backcolor][/font][/backcolor][/color]...
In the USB program, I have opened and read and write data from a HID device. But if(ReadFile( deviceHandle[IndexInFieldList], // handle of file to read buffer, // pointer to buffer that receives data ...
[i=s]This post was last edited by yang_alex on 2017-10-6 17:54[/i] The previous article talked about the hardware of CH554, and this article will talk about the software of CH554. After all, Qinheng i...
1. Project Overview
1.1 Introduction
Currently, most music files are saved in MP3 format, a lossy audio compression format that cannot perfectly reproduce the original music. With the exp...[Details]
A vacuum eutectic furnace is a critical piece of equipment used in the manufacturing and processing of various materials, particularly in the fields of microelectronics and nanotechnology. One of t...[Details]
The jammer is a signal blocker, mainly composed of a chip and a radio transmitter. When the car owner presses the remote control lock button, the jammer interferes with the electronic lock receivin...[Details]
On August 18th, Galaxis, a specialist in integrated intelligent intralogistics robotics, officially unveiled its next-generation, ultra-narrow aisle forklift mobile robot, the "VFR Ultra-Narrow Ser...[Details]
In the summer of 2025, BlueOval SK, a joint venture between Ford and SK On, officially started production at its first battery factory in Kentucky.
According to the original plan, this w...[Details]
According to foreign media reports, Nissan Motor has recently reached a cooperation with US battery technology company LiCAP Technologies to jointly promote the research and development of next-gen...[Details]
introduction
As “energy conservation and emission reduction” has become an indicator of the National Economic Development Outline of the 11th Five-Year Plan, people’s awareness of green enviro...[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]
In the scorching summer, electric fans are a must-have for cooling down people's homes. However, I believe most people have encountered this situation: the fan is plugged in, the switch is pressed,...[Details]
Laird Thermal Systems has introduced the HiTemp ET series Peltier cooler modules, which can operate at high temperatures and provide on-site cooling for sensitive electronic devices.
Dig...[Details]
The practice of warming up a car originated with gasoline-powered vehicles. Warming up the engine allows it to enter a better working state and ensures good lubrication. This has become a habit for...[Details]
A half-bridge is an inverter topology for converting DC to AC. A typical half-bridge circuit consists of two controller switches, a three-wire DC power supply, two feedback diodes, and two capacito...[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]
introduction
The widespread use of air conditioner communication circuits began with the rise of household inverter air conditioners. With China's energy conservation and emission reduction in...[Details]
Hair dryer structure and working principle: It is mainly used for drying and shaping hair, but it can also be used for local drying, heating and treatment in laboratories, physiotherapy rooms, ind...[Details]
Microcontroller MCU
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