Year: 2025

Simulation of a Single-Phase AC Voltage Controller with Two Back-to-Back Thyristors (Simulink Implementation)

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Simulation of a Single-Phase AC Voltage Controller with Two Back-to-Back Thyristors (Simulink Implementation)

Gift to Readers Conducting research involves a profound system of thought, requiring researchers to be logical, meticulous, and earnest. However, effort alone is not enough; often leveraging resources is more important than sheer hard work. Additionally, one must have innovative ideas and inspirations that look up to the stars. It is recommended that readers browse … Read more

Research on Domain Controller Technology Framework

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Research on Domain Controller Technology Framework

1. Core Definition and Industry Background of Domain Controllers Background of Technological Evolution Pain points of traditional distributed architecture: Each functional module is independently equipped with an ECU (such as engine control, brake control), leading to a surge in the number of ECUs (over 60 in luxury models in 2018), high system complexity, high development … Read more

Secrets of Qingniao Firefighting: 5010 Series Fire Alarm Controllers

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Secrets of Qingniao Firefighting: 5010 Series Fire Alarm Controllers

(Provided by Lao Guan, a maintenance expert from Qinghai Firefighting – welcome to register and exchange as a member) (3) 5010 Series Fire Alarm Controllers 1.1 Alarm feedback information repeatedly printed during sound and light broadcast  Fault phenomenon: When the 5010 main unit’s sound and light broadcast is activated, the main unit will repeatedly … Read more

Design and Implementation of a Wireless Communication System Based on the 51 Microcontroller (SPI Protocol)

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Design and Implementation of a Wireless Communication System Based on the 51 Microcontroller (SPI Protocol)

In a previous article, I introduced the basic knowledge of SPI, see <<SPI>>. This time, I will present a design of a wireless communication system based on the 51 microcontroller, focusing on how to achieve data transmission between the microcontroller and the wireless module through the SPI (Serial Peripheral Interface) protocol. The system uses the … Read more

Who is the King of Domestic 51 Microcontrollers?

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Who is the King of Domestic 51 Microcontrollers?

In today’s world where embedded systems and IoT devices are prevalent, the 51 microcontroller, as the “mentor” for electronic engineers, still holds an important position in industrial control, smart home, and other fields.On this land of China, domestic 51 microcontroller manufacturers are also in fierce competition. So, who is the “king” of domestic 51 microcontrollers? … Read more

Design and Implementation of a Multi-Machine Communication System Based on the 51 Microcontroller

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Design and Implementation of a Multi-Machine Communication System Based on the 51 Microcontroller

This article introduces a design scheme for a multi-machine communication system based on the 51 microcontroller. The system achieves data exchange between a master device and multiple slave devices through a serial communication interface (UART), supporting address recognition and data verification functions. The article elaborates on the system’s hardware design, software programming, and communication protocol … Read more

3D Printing of Functional Human Islets Using Customized Bioink

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3D Printing of Functional Human Islets Using Customized Bioink

An international research team led by Wake Forest University has made significant breakthroughs in the field of bioprinting: they have utilized a novel bioink to 3D print functional human islets, demonstrating enormous clinical application potential, bringing new hope for the treatment of Type 1 diabetes. This achievement was first presented at the 2025 European Society … Read more

3D Printed Living Materials: A Solution for Carbon Dioxide Absorption in Construction

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3D Printed Living Materials: A Solution for Carbon Dioxide Absorption in Construction

Scientists are combining traditional materials with bacteria, algae, and fungi to create bio-materials that can acquire practical properties through microbial metabolism. “For example, the ability to absorb carbon dioxide from the air through photosynthesis,” says Mark Tibbitt, a professor of macromolecular engineering at ETH Zurich. Currently, the interdisciplinary team led by Tibbitt has turned this … Read more

Multimodal Microfluidic 3D Printing of Hydrogel for Low-Temperature Polymerization

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Multimodal Microfluidic 3D Printing of Hydrogel for Low-Temperature Polymerization

Hydrogels, as a hydrophilic three-dimensional network polymer, have shown great application potential in cutting-edge fields such as tissue engineering, drug delivery, and soft robotics in recent years. However, traditional hydrogels often suffer from poor mechanical properties and limited molding methods, making it difficult to meet the demands of complex application scenarios. Frontal polymerization (FP) is … Read more

Qinghai’s First Locally Produced 3D Printed Medical Devices Approved for Market

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Qinghai's First Locally Produced 3D Printed Medical Devices Approved for Market

On July 10, the reporter learned from the Dongchuan Industrial Park Management Committee of the Xining (National Level) Economic and Technological Development Zone that Tianyu (Qinghai) Technology Innovation Co., Ltd. successfully obtained the Class II medical device registration certificate issued by the Qinghai Provincial Drug Administration. Multiple 3D printed orthopedic medical devices have successfully come … Read more