Artificial intelligence is currently the hottest technology investment project, especially in the United States, where the amount of investment is unimaginable to outsiders. An AI cluster integrating over 100,000 top GPUs has become the norm, and figures like Elon Musk have even proposed an artificial intelligence system integrating 1 million or even millions of top … Read more
When doing embedded development, are you often troubled by the difficulty of selecting ARM chips — unsure whether to choose ARM7 or ARM9? Not clear which model has an LCD controller or supports USB? Actually, there’s no need to panic; the core of selecting ARM chips focuses on two points:Your application scenarioandwhether the chip’s “core … Read more
Project Showcase and Innovation Challenges: A Grand Finale to the Sensor Innovation Journey Utilizing the knowledge acquired, complete an innovative project and showcase it at the campus science and technology festival or maker fair. Introduction After the in-depth study of the previous fourteen lectures, we have explored the mysteries of various sensors. Now it is … Read more
Many students who are new to microcontrollers often have a question: With chip technology being so advanced now, and our boards operating at voltages of 5V and 3.3V, which are low-voltage DC circuits, do we still need to consider electrostatic issues like the old engineers did, with such caution? 1. What is Electrostatics? Electrostatics can … Read more
Recently, Shenzhen Qiangda Circuit Co., Ltd. (abbreviated as Qiangda Circuit; stock code: 301628.SZ) released its 2025 semi-annual report, marking the first semi-annual report since Qiangda Circuit was listed on the Shenzhen Stock Exchange on October 31, 2024. The company’s performance continues to show growth, with multiple business indicators performing outstandingly. Qiangda Circuit has been deeply … Read more
Considerations for PCB Design Goals Functionality (power management, signal processing) Hardware Compatibility (whether interfaces are widely used and easily accessible, whether they are compatible with existing circuit boards, considering the official electrical component interfaces of Robomaster) Mechanical Structure Compatibility (considering mechanical mounting positions, standardizing screw sizes and hole positions, considering large interfaces that require screw … Read more
eSIM (Embedded SIM) is a technology that allows devices to embed a chip directly, enabling remote activation and switching of carrier networks without the need for a physical SIM card. It is driving a transformation in the way consumer electronics and IoT devices connect. The following table summarizes the main links in the eSIM industry … Read more
Understanding Source and Sink Wiring Methods for S7-1200 PLCs Sink Wiring Method – Definition: Also known as common cathode wiring, this method connects the common terminal “1M” of the S7-1200 to the negative terminal of the power supply. Current flows from the common terminal of the PLC into the input terminal. – Example: When using … Read more
Hello everyone, I am a corporate archivist. Today, we will talk about a very interesting company – Tailin Microelectronics (Stock Code: 688591). If you use smart home devices, wireless headphones, or smartwatches every day, you may have already used products from this company. What exactly does this company do? How is its quality? Is there … Read more
[Image] In industrial field applications, there are many bus application scenarios, such as RS-232 and RS-485 conversion with bidirectional isolation, and shared interfaces between RS-485 and RS-422. This article will introduce solutions for these types of applications, which are not only simple and convenient but also enhance communication reliability. The high-performance RS-232 to RS-485 bidirectional … Read more