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Getting Started with Arduino WiFi Communication

Getting Started with Arduino WiFi Communication

Our Arduino WiFi introduction generally uses the ESP8266 WiFi module chip. Nowadays, people like me who go online every day without knowing about WiFi are already OUT, so let’s quickly catch up:

ESP8266 can boot directly from external flash memory when equipped and used as the only application processor in a device. The built-in high-speed cache helps to improve system performance and reduce memory requirements.

Another situation is when the wireless connection takes on the

2025-01-08

Getting Started with Raspberry Pi 5: Desktop OS, aapanel, and PVE8

NO.1
Final Result

Installed Raspberry Pi 5 OS (64-bit recommended system)

Note this is not a slim version, nor is it the full recommended software version, and it is not a 32-bit version

The system size is about 1.2GB

Getting Started with Raspberry Pi 5: Desktop OS, aapanel, and PVE8

Desktop version interface

For the convenience of the desktop and testing desktop memory usage, I ultimately chose the desktop version

Only installed the desktop version, with no software running, memory usage is about 500M, which is

2025-01-08

Demonstrating Layered Architecture in Embedded Systems with Code

This article takes the example of controlling an LED blinking.
Demonstrating Layered Architecture in Embedded Systems with Code

1 Two-Layer Structure

Hardware layer and software layer -- the coarsest layered architecture:
Demonstrating Layered Architecture in Embedded Systems with Code

2 Three-Layer Structure

Hardware layer, driver layer, application layer:
Demonstrating Layered Architecture in Embedded Systems with Code

3 Four-Layer Structure

Hardware layer, driver layer, operating system layer, application
2025-01-08

Understanding RNA Interference: A Comprehensive Guide

Understanding RNA Interference: A Comprehensive Guide

Virology Video Series has concluded. Starting today, I will bring you the Nature video series. It includes various experimental principles, techniques, article writing, etc., with English text included. Animated explanations make it easy to understand.

English subtitle text

Scientists have been making rapid progress in understanding RNA interference or RNAi. Many organisms use RNAi to control genes, and it can also be used as a tool in the laboratory, and in the future, perhaps, as

2025-01-08

Building Maker Spaces 2.0: A Focus on Open Source Robotics

The maker space is an important core element of maker education.If we liken the function of a maker space to a "kitchen," many primary and secondary schools already have their own "maker kitchens," addressing the "basic needs" of creativity. The next step is how to eat healthily and uniquely, and how to transform the beloved and indispensable consumption behavior of "eating" into a nutritional mechanism for building an innovative country.
The "Maker Space 2.0 Series Dialogue" will present some new forms
2025-01-08

How to Use Raspberry Pi Desktop Without a Monitor

Zhaoolee has started a long series on GitHub titled "Raspberry Pi Doesn't Gather Dust" https://github.com/zhaoolee/pi. It has currently been updated to 18 articles, mainly focused on using Raspberry Pi to install Ubuntu as a home server.

How to Use Raspberry Pi Desktop Without a Monitor
image.png

Coincidentally, I have an idle Raspberry Pi 4B on hand, and I plan to deeply explore the Raspberry Pi desktop version, which led to this guide.

First, find an SD card to flash the image

2025-01-08

2019 iPad Mini Review: Punching Above Its Weight

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2019 iPad Mini Review: Punching Above Its Weight

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Source of content

2019 iPad Mini Review: Punching Above Its Weight

Edited quickly by Guohui Jun

Written by | Xiaoguang

Apple announced the "good show opening" at Apple Park headquarters on March 25, but from the 18th to the 20th, they launched new products online for three consecutive days, completely not following the script.

　　

The first installment of the spring trilogy is the new iPad Mini, which restarts the small-sized

2025-01-08

Understanding the Android 10.0 Compilation Process

Reading this article will take approximately 29 minutes.

Original content is not easy to create. If you find this useful, please feel free to share it or click the “Look” or “Share” button at the bottom right. Thank you!

[The Journey of Android] is based on the analysis of the source code of Android-Q (10.0)
The series of articles on "The Journey of Android":
"System Startup"
The Journey of Android - Startup
Android System Architecture
How Android Starts
Android System Startup - init Process (1)
Android System Startup -
2025-01-08

Building a Low-Cost Home Storage Server: All-Flash Edition

This article continues to discuss the tinkering process of using the EliteDesk 800G6 SFF as a home storage server.

Introduction

Recently, to organize data and models, I have been working on home storage devices, and also reset this EliteDesk 800G6 SFF that I assembled earlier this year. Currently, I am enhancing this device with various "hardware" that has been phased out from other devices and cheap hardware purchased from the second-hand market.

Building a Low-Cost Home Storage Server: All-Flash Edition
The first
2025-01-08

How to Enable SELinux Mode in OpenHarmony? RK3566 Development Board Demonstration

How to Enable SELinux Mode in OpenHarmony? RK3566 Development Board Demonstration

This article introduces how to enable/disable SELinux permissions in the open-source OpenHarmony system,demonstrated on the Tactile Intelligence Purple Pi OH development board, which is equipped with the Rockchip RK3566 chip, designed like a Raspberry Pi, recommended by the Laval official community, and has adapted to the new OpenHarmony 5.0 Release system!

How to Enable SELinux Mode in OpenHarmony? RK3566 Development Board Demonstration
How to Enable SELinux Mode </div> </div> <div class= 2025-01-08
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