I have just learned the 89c52 single-chip microcomputer. The schematic diagram of the experimental board has been uploaded. I want to use 74ls138 and 74ls47 to light up all the digital tubes at the sa...
As shown in the figure. When the input is high, T3 and T4 are cut off, T1 is on, and the gate of T2 is high. The source voltage is unknown. How to judge the state of T2? The textbook directly says tha...
Compilation environment PB 4.2, patch package: WinCEPB42-081231-Product-Update-Rollup-ARMV4.msi After installation, add SQL Mobile to WorkSpace, [code] Applications and Services Development ---SQL Mob...
I have been engaged in the development of DM6446. Here are some circuit schematics of 6446 that I collected in my daily life. I hope it will be helpful to everyone....
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]
Is electromagnetic radiation from electric vehicles harmful to the human body? Recently, the issue of electromagnetic radiation from electric vehicles has garnered widespread attention. However, pu...[Details]
White light LEDs are voltage-sensitive devices. In actual operation, their upper limit is 20mA. However, the current often increases due to various reasons during use. If no protective measures are...[Details]
With the rapid adoption of smart electric vehicles, automotive chips are evolving from auxiliary control units to the foundation of the entire vehicle's intelligence. Their applications extend from...[Details]
The Automotive Testing and Quality Assurance Expo (ATE 2025) will open on August 27th. At the expo, Rohde & Schwarz (R&S) will showcase six automotive testing solutions, themed "Intelligently Drivi...[Details]
introduction
Sonar imaging is of great significance in marine resource development and defense. Its long range, intuitive display of the observed area, and target identification make it widely...[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]
According to Nikkei, a survey found that global electric vehicle battery supply is expected to reach more than three times the required quantity due to
cooling
demand for electric vehicles,...[Details]
Tiantai Robot's official Weibo account announced on the evening of August 20 that Tiantai Robot Co., Ltd., together with strategic partners including Shandong Future Robot Technology Co., Ltd., Sha...[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]
Common methods for troubleshooting roller press bearing wear include repair welding, thermal spraying, brush plating, and scrapping and replacement. However, these methods are often subject to asse...[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]
High-definition media consumption is experiencing a dual growth: an increase in the number of consumers and a transition to higher-definition content. This growth is driven by increasingly widespre...[Details]
Driven by business opportunities such as access to new markets and government initiatives like the Belt and Road Initiative, global expansion has become a significant trend for Chinese companies. C...[Details]
Blackfin® 16-/32-bit embedded processors offer high performance, low power consumption, flexible software features, and scalability, making them suitable for converged applications such as multi-fo...[Details]
Embedded System
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