The Growth Story Behind Arduino

Follow+Star Public Account, don’t miss exciting content Source | DF Maker Community Today, Arduino can be said to be popular worldwide, with a large number of electronics enthusiasts and engineers developing their projects based on Arduino. So, do you know the origins and development history of Arduino? Origins In the cold winter of 2005, Massimo … Read more

Recommended Stackup and Impedance Design for RK3588 PCB

To reduce the reflection phenomenon during high-speed signal transmission, it is necessary to maintain impedance matching at the signal source, receiving end, and transmission line. The specific impedance of a single-ended signal line depends on its line width and its relative position to the reference plane. The line width/spacing of differential pairs with specific impedance … Read more

Performance Testing of Raspberry Pi 4 Using RT-Thread

Testing Background The Raspberry Pi 4 is a very popular maker computer in the Chipmaker community, setting a new benchmark for single-board computers worldwide. As the latest generation product of Raspberry Pi, it benefits from a processor chip with four Cortex A72 architecture computing cores, with a main frequency of up to 1.5GHz, providing performance … Read more

Mini Computer Stick: Compact Size, Big Power

Mini Computer Stick: Compact Size, Big Power Today, I would like to share with you a portable mini computer stick, which is only the size of a USB flash drive and can be used as a computer host. The content is for learning and communication purposes only. In today’s rapidly changing technology landscape, computers are … Read more

Getting Started with Raspberry Pi: How to Boot a New Raspberry Pi | Linux China

In the third article of this series, we will teach you how to get started with the Raspberry Pi and learn how to install a Linux operating system. — Anderson Silva If you have followed our series of articles in order, then you have already chosen[1] and purchased[2] your Raspberry Pi and peripherals, and now … Read more

Crochet Guide: Mini Lotus Potted Plant for Desktop

This public account serves as a compilation base for the vast number of crochet enthusiasts. The editor is responsible for collecting and organizing resources from the internet to help save more time for little fairies to crochet. Welcome to follow! All diagrams published on this public account are reprinted from publicly available communities on the … Read more

Power Module Design for Electric Vehicle Battery Management System

The distributed battery management system of electric vehicles mostly uses a master control unit and several slave control units. Unlike most electric vehicle battery management systems that use a 12V battery for power supply, the BMS discussed in this article is directly powered by the power battery pack (total voltage of 72V). This not only … Read more

How to Set Up a Raspberry Pi 4B Home Server: Installing Calibre Web for Public Access to Your E-Book Library

Recently, I have been organizing my collection of e-books to make them accessible online. Although the Calibre desktop application is powerful and can enable local HTTP services, the HTTP interface is rather simplistic. I discovered an open-source project called Calibre Web, which has a very nice interface, supports multi-user management, and can be deployed directly … Read more