The effect of installing it on my headphone amplifier: (The machine cannot be covered; the green PCB below is also an additional one, input switching circuit.)The board was made when the 5 yuan proofi...
I use a matrix keyboard to input a two-digit decimal number. How can I convert it into binary and input it into the FPGA? For example, 23 becomes 0001 0111. Note that it is not converted into BCD code...
Yesterday, @lb8820265, who had not appeared in the forum for a long time, was all over the screen~ He brought his "Wanli" car back to the forum. He is looking forward to friends who like it to play wi...
When I use CAN communication and PC communication, the DSP count only sends 10000 data, but the CAN card receives 10010 data. Later, I found that there are duplicate data and the DSP resents. What's g...
A 8086 program performs multiplication of two 32-bit numbers. I am confused because I have just started learning it. The program is as follows: data segment mulnum dw 0000,0fffh,0000,offfh,4dup(?) dat...
As shown in Figure 1, I know how to calculate RC filtering. I know the frequency of the square wave and the three RC constants reach full amplitude. The filtering effect is a bit like a dorsal fin sha...
There are many different ways of human-computer interaction. The more common ones are listed below:
Mouse interaction: Using a mouse to operate a computer and interact was the most common human...[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]
Multi-touch mobile phone
Multi-touch is a system that can respond to multiple touches on the screen at the same time. Multi-touch phones are divided into capacitive and resistive types. Capaci...[Details]
As the scale and business applications of national e-government networks continue to expand, the data and services transmitted over them are becoming increasingly sensitive and critical. To protect...[Details]
There are basically three causes of spontaneous combustion of electric vehicles: The first is that the battery components are punctured or suffer fatal damage due to a collision accident, and part ...[Details]
One of the most core components of electric vehicles is the motor. The power supply provides electrical energy to the motor, which converts this electrical energy into mechanical energy, which in t...[Details]
Permanent magnets are essential components in a wide range of household and industrial devices. They are particularly crucial in the renewable energy sector, including electric vehicle motors. Curr...[Details]
Normally, we determine our location and where we want to go by comparing our surroundings with observation and simple GPS tools. However, this kind of reasoning is very difficult for self-driving c...[Details]
Based on the commutation technology, thyristor rectifiers are classified into two main types. Line-commutated and force-commutated inverters are commonly used, while other commutated inverters, nam...[Details]
China, August 21, 2025 – STMicroelectronics (NYSE: STM), a world-leading semiconductor company serving a wide range of electronics applications, has published its IFRS 2025 semi-annual financial re...[Details]
introduction
The rapid adoption of computers has led to a growing number of tasks being performed on them. People from all walks of life, especially programmers and writers, are spending incre...[Details]
introduction
With the development of the information superhighway and the internet, broadcast television has become increasingly widespread worldwide. Television information has emerged in var...[Details]
The Waveshare ESP32-P4-ETH is a compact ESP32-P4 development board with Ethernet and PoE support. It looks very similar to the Olimex ESP32-P4-DevKit, minus the pUEXT connector. However, we've also...[Details]
Keysight Technologies reported strong third-quarter results, with revenue and earnings per share exceeding expectations and steady order growth. The company, driven by strong growth across multiple...[Details]
The consumer electronics, appliance, industrial, and automotive markets are experiencing increasing demand for sophisticated motor control solutions. Depending on the application, a variety of moto...[Details]
DIY/Open Source Hardware
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