Hello everyone, this is my first post, please take care of me. Description of the phenomenon: The parallel port of the PC is connected to the device printer (the device has its own printer), and Chine...
Figure 1 is the integral operation circuit diagram and Figure 2 is the input waveform and the corresponding output waveform. Question: The additional phase shift between the output waveform and the in...
[10 Typical Laboratory Circuit Recommendations] 9: Signal levels in industrial process control systems are usually one of the following categories: single-ended current (4 mA to 20 mA), single-ended d...
This luminous fish has LED tubes hidden in its belly, which can emit red, green, blue and amber light. Put it in the swimming pool and it will swim around by itself. With this arrangement, the swimmin...
When I download the STM32 program through MDK simulation, the message "Internal command error" and "Error: Flash download failed. Target DLL has been cancelled" appear. In the past, I would just resta...
Reflow soldering is a critical process in electronics assembly production, and the cleanliness of the reflow oven has a direct impact on product quality. Dust and residue accumulation within the ov...[Details]
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]
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]
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]
My career has been closely tied to the semiconductor industry. From product management to content marketing, I've provided countless forecasts and predictions across a variety of roles. Whethe...[Details]
From time to time, I see some audiophiles spending a lot of money or a lot of time to DIY speakers, but the results are not what they want. Below I list some of the small experiences I summarized b...[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]
As in-vehicle audio and video entertainment features become increasingly diverse, the demand for digital transmission of audio and video information is urgent. Traditional protocols such as IEEE 13...[Details]
According to the latest financial report data, thanks to its leading position in advanced technology, TSMC's profit performance in the second quarter of 2025 was extremely impressive, with net prof...[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]
A graphics processor (GPU), also known as a display core, visual processor, or display chip, is a microprocessor specialized for image processing on personal computers, workstations, game consoles,...[Details]
Shenzhen RF Star's Bluetooth smart e-cigarette solution, by embedding a BLE module in the third-generation e-cigarette tube and coordinating it with the development of a smartphone APP, bring...[Details]
introduction
As the concept of "low-carbon travel and green environmental protection" becomes more and more popular, bicycles have become a crucial means of transportation. Currently, urban pu...[Details]
Charging is essential for electric vehicles. It's crucial for battery safety and range. When it comes to charging new energy vehicles, is it better to charge when the battery is almost empty, or to...[Details]