💻 Considerations when Building Embedded Databases

When building embedded databases, there are several key considerations to ensure reliable and efficient data management. In particular, this article highlights the importance of understanding non-volatile storage (NVS) challenges, such as data corruption and system compatibility.

It also explores various existing database implementations and custom solutions, offering practical advice for optimizing storage and managing records in embedded systems. By focusing on these aspects, developers can create durable and maintainable embedded applications that perform reliably under real-world conditions.

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📺 How VLSI Revolutionized Semiconductor Design

The video explores the transformative impact of VLSI (Very Large Scale Integration) systems design on the semiconductor industry.

Beginning with the early challenges faced as integrated circuits grew in complexity during the 1970s, it highlights the pivotal moment in 1980 when Carver Mead and Lynn Conway introduced a groundbreaking textbook that revolutionized semiconductor design methodologies. This shift, enabled by simplified design rules and modular approaches akin to software programming, democratized chip design.

The VLSI paradigm not only spurred innovation and educational programs but also laid the foundation for modern semiconductor manufacturing and the rise of companies like TSMC, reshaping the global electronics landscape.

⛓ https://youtu.be/XgbxFVyKMMo

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💻 X-Ray Upgrade Can See Transistors in 3D

An upgraded X-ray imaging technique, developed by a team at the 🇨🇭 Paul Scherrer Institute, can now provide high-resolution 3D images of advanced semiconductor chips without destroying them.

This method, called burst ptychography, achieves a 4-nanometer resolution by using high-energy X-rays to penetrate the chip and computational techniques to create stable diffraction patterns.

The new technique significantly improves upon the previous resolution, allowing for detailed visualization of transistor features and chip interconnects, facilitating better quality control and design validation in chip manufacturing.

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📺 PCB Design Duel: Altium vs. KiCad in 60 Minutes

In this YouTube video, two engineers face off in a challenge to design a PCB in just one hour, using Altium and KiCad (Kad) respectively. The goal is to compare whether the high cost of Altium is justified over the open-source KiCad.

Both engineers work with the 🇨🇳 ESP32 microcontroller, focusing on essential features like power supply and programming interfaces. Despite the differences in software, both produce functional PCBs, showcasing the strengths and limitations of each platform in rapid PCB design.

⛓ https://youtu.be/L0qqF_Kw6hY

#video #altium #kicad #esp32

🍓 Introducing Raspberry Pi Pico 2

The Raspberry Pi Pico 2 is a newly launched development board featuring the RP2350 microcontroller, which offers dual-core processing options: Arm Cortex-M33 or RISC-V Hazard3. It provides enhanced performance and memory, making it suitable for a wide range of applications.

Key Features of Raspberry Pi Pico 2:
➡️Dual-core Arm Cortex-M33 @ 150 MHz or dual-core RISC-V Hazard3 @ 150 MHz
➡️520 KB on-chip SRAM and up to 16 MB external QSPI flash storage
➡️Comprehensive peripheral support including GPIOs, ADCs, PWM channels, UARTs, SPI, and I2C controllers
➡️Enhanced security features with Trustzone, SHA-256 acceleration, and secure boot options
➡️Low-power modes with optional SRAM retention for energy efficiency
➡️Micro USB port for power and programming

Overall, the Raspberry Pi Pico 2 is ideal for developers and hobbyists looking for a versatile, powerful microcontroller that balances cost and functionality, making it suitable for a variety of projects.

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📚 Introduction to Embedded System Design on Arm Cortex-M Microcontrollers

Dive into embedded systems with this free hands-on guide, perfect for newcomers. Across twelve chapters, you'll learn to build a smart home device with features like fire alarms and motion detectors.

No prior experience in programming or electronics is needed—each concept is introduced step-by-step through practical examples using the 🦋 ST Nucleo-F429ZI board.

Designed to fit a typical semester, this textbook helps you gain real-world skills in embedded system design, from basic serial communication to advanced Bluetooth and web server projects.

😹 Download the book...

#books #design #beginner #stm32

🖥 Revolutionizing Wireless Networks: The Breakthrough of On-Chip Terahertz Beamforming

Researchers have developed a new silicon topological beamformer chip that can efficiently direct terahertz frequency wireless signals in any direction, potentially revolutionizing future wireless communication.

Terahertz waves, which sit between optical and microwave frequencies, offer the high bandwidth necessary for terabit-per-second data rates, crucial for the upcoming 6G networks.

➡️Terahertz waves could enable applications like ultra-fast internet, autonomous vehicles, and remote surgeries.
➡️The chip design leverages topological photonics, allowing signals to travel through the chip without losses, even around complex paths.
➡️The new design is capable of significantly reducing download times—for instance, a 4K UHD video could be downloaded in 6 seconds instead of 11 minutes.

This advancement represents a major step toward practical terahertz communication technology, which could enable a wide range of high-speed applications.

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