[size=4] The 50Hz AC sampling signal V1 is sent to the inverting input pin 6 of the active precision detector composed of pins 5, 6, and 7 of R1, R2, D1, and U. The purpose of using an active precisio...
I am a newbie who is learning about matrix keyboards recently, but the hardware circuits I have are more complicated than usual. The usual scanning ideas don’t seem to work. Below is my circuit diagra...
Please help me!!! The idea is: short-circuit any two USB wires to print a letter on the screen. Difficulty: 1. How to write a program on the PC using VB and C++. 2. What are the books on this topic?...
Hello everyone! I disassembled a power supply board produced by another company, and I was curious about the craftsmanship in one place. It was the first time I saw it. What is the green layer next to...
[table=98%] [tr][td] I need to purchase a batch of sensors (temperature and humidity sensors, pressure sensors, flow meters, etc.) for a scientific research project. They are mainly used to measure pi...
[size=4][color=#000000][backcolor=white]1. If both the interrupt and the main thread need to access the same variable, the interrupt should be turned off before accessing it in the main thread, and tu...
Nios II is a configurable 16-/32-bit RISC processor. Combined with a rich set of peripheral-specific instructions and hardware acceleration units, it provides a highly flexible and powerful SOPC sy...[Details]
Limited vocabulary recognition
According to the number of characters, words or short sentences in the vocabulary, it can be roughly divided into: less than 100 is small vocabulary; 100-1000 is...[Details]
Have you ever heard stories about "crazy appliances"? Think of microwaves that turn on automatically or ovens that preheat without any human input? With radios and electromagnetic interfaces ubiqui...[Details]
Keysight Technologies is combining its electromagnetic simulator with Synopsys' AI-driven RF design migration flow to create an integrated design flow for migrating from TSMC's N6RF+ process techno...[Details]
Learned the following information.
Customer product: industrial computer motherboard
Glue application area: CPU/BGA filling
Glue color requirements: black or t...[Details]
Plessey Semiconductors has been acquired by Haylo Labs, which was established in March last year with a $100 million, five-year loan from Chinese technology company Goertek.
Haylo Labs w...[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]
Preface
Low-voltage motors are widely used in nonferrous metallurgical plants. Their abnormal operation not only impacts normal production but can also threaten human life. Therefore, providin...[Details]
As the range of electric vehicles continues to increase, driving electric vehicles for long-distance travel has become a trend. For high-speed travel, how much impact will high-speed driving of ele...[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]
Introduction: In digital circuit calculations, there is no concept of decimal points. You know where the decimal is, but the circuit does not know where the decimal point is. Therefore, you need to...[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]
On August 18th, China's largest expressway
charging station,
the G25 Changshen Expressway Tonglu Service Area (South Area), officially opened and launched its integrated solar-storage-charg...[Details]
introduction
As core electronic components used in vastly different fields, automotive-grade chips and mobile/consumer-grade chips exhibit significant differences in their...[Details]
0 Introduction
DVI (Digital Visual Interface) is a hot topic in current digital display research and application. Video processing technologies for DVI output not only address issues such as h...[Details]
Analogue and Mixed Signal
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