Manufacturing High-Strength Carbon Fiber Reinforced PEEK Composites with Extended Fiber Retention Lengths Using Screw Extrusion-Based 3D Printing Technology

Manufacturing High-Strength Carbon Fiber Reinforced PEEK Composites with Extended Fiber Retention Lengths Using Screw Extrusion-Based 3D Printing Technology

1. Abstract Research BackgroundThe mechanical properties of 3D printed carbon fiber reinforced polymer composites are crucial for engineering applications, but challenges remain in producing high-performance composites through material extrusion. Research MethodFour CF/PEEK composites with different fiber lengths were prepared using a self-made screw extrusion 3D printing mechanism, systematically exploring the effects of fiber length and … Read more

Applications of 3D Printing in Aquariums

Applications of 3D Printing in Aquariums

3D printing technology has creative and practical applications in aquariums. Through customized design and functional integration, it can enhance the aesthetic appeal of the landscape while optimizing the aquarium ecosystem. The specific applications can be broadly divided into two categories:Landscape Decoration and Personalized and Practical Tools. NO.1 NO.1 Landscape Decoration …… 3D printing can produce … Read more

Mainstream Microcontroller Core Architectures: ARM and RISC-V

Mainstream Microcontroller Core Architectures: ARM and RISC-V

In embedded systems,the core of a microcontroller (MCU) — the core (Core) determines the performance boundaries, power consumption characteristics, and software ecosystem of the entire platform. The current mainstream microcontroller architectures are represented by ARM and RISC-V, one being the cornerstone of the mature industrial sector, and the other being the pioneer of the open-source … Read more

Interview Question: Can L2 Cache Be Removed When Using Only a Single Cortex-A Core?

Interview Question: Can L2 Cache Be Removed When Using Only a Single Cortex-A Core?

Even when using only a single Cortex-A core, the L2 cache cannot be eliminated. Students at the Jingxin Training Camp have asked this question before, and the role of L2 cache is crucial. Why is that? The core issue is that the CPU operates too quickly, while accessing the external main memory is too slow. … Read more

Open Source Allwinner H3 TV Box TVBOX 6-Layer Board AD Engineering Files!

Open Source Allwinner H3 TV Box TVBOX 6-Layer Board AD Engineering Files!

Today, I am sharing a board with you. The files are sourced from Fanyi Education, using the Allwinner H3 as the main control unit, equipped with two DDR3 memory chips, storage consisting of EMMC + NAND, and featuring HDMI high-definition interface, 100M Ethernet port, USB, WiFi, etc., for your reference and learning! If you need … Read more

AI Glasses SoC Priced at Just $3, Allwinner’s Ecosystem Set to Enter the Market

AI Glasses SoC Priced at Just $3, Allwinner's Ecosystem Set to Enter the Market

Written by VR Tuoluo “The total BOM cost for 8-megapixel AI glasses does not exceed 200 RMB, and affordable products will soon be on the market,” said Guo Qi, General Manager of Allwinner Technology’s Smart Video/Carrier Division, to VR Tuoluo. Allwinner, which quietly released two new dedicated AI glasses chips in Shenzhen, has already established … Read more

Allwinner T113 Series | Dual-Core Smart Industrial Chip and Vehicle Machine Development Board

Allwinner T113 Series | Dual-Core Smart Industrial Chip and Vehicle Machine Development Board

Click the “blue text” above to follow us! The T113 series is a high-performance application processor. It integrates a dual-core Cortex-A7 CPU, RISC-V, and a single-core HiFi4 DSP to provide efficient computing power. The T113 series supports full-format decoding, such as H.265, H.264, MPEG-1/2/4, JPEG, etc. An independent hardware encoder supports JPEG or MJPEG encoding. … Read more

The Spring of Overclocking for Single Board Computers (RK3588)

The Spring of Overclocking for Single Board Computers (RK3588)

Overclocking is a term that usually appears in powerful gaming laptops or high-end desktop computers. In the field of compact embedded single board computers, overclocking seems to be a niche term. However, there is always a group of computer enthusiasts who enjoy tinkering with their ideas on some open-source hardware and sharing their achievements. Today, … Read more

Understanding Embedded Systems: Concepts, Technologies, and Trends

Understanding Embedded Systems: Concepts, Technologies, and Trends

1.Concept of Embedded Systems An embedded computer is a dedicated computer system designed for specific applications, based on microprocessors, with customizable hardware and software to meet strict requirements for functionality, reliability, cost, size, and power consumption. In simple terms, an embedded system is software embedded into the Flash memory of application devices, specifically tailored for … Read more

GigaDevice GD32 Enters the ‘Low-End’ MCU Market

GigaDevice GD32 Enters the 'Low-End' MCU Market

As market demands continue to evolve, 8-bit MCUs are gradually being replaced by ‘low-end’ 32-bit MCUs, prompting major MCU manufacturers to enter the 32-bit ‘low-end’ MCU space. On June 5, GigaDevice officially announced the launch of the value-oriented GD32C231 series entry-level microcontrollers. GD32C231 Series MCUs: The Ultimate Cost-Performance Choice The GD32C231 series MCUs significantly enhance … Read more