make your own wifi login qrcode

qrbot

Crafting a Python script to effortlessly generate a QR code for seamless WiFi login adds a touch of modern convenience, especially in bustling settings like restaurants or offices. Imagine the simplicity: guests can swiftly scan the QR code, eliminating the need for manual sharing and fostering a seamless connectivity experience. This innovation not only streamlines … Read more

Virtualization vs Containerization

docker

Virtualization and containerization are both techniques used to manage and deploy applications efficiently, but they differ in their approaches and level of abstraction. Virtualization: Overview: Virtualization involves creating a virtual version of hardware or an entire computer system, allowing multiple operating systems to run on a single physical machine. Hypervisor: It uses a hypervisor, which … Read more

rp2040 vs esp32

esp32 vs rp2040

Both the ESP32 and RP2040 are popular microcontrollers for a variety of projects, especially in the realm of the Internet of Things (IoT). However, they each have their own set of pros and cons that you should consider before choosing one for your project. Feature RP2040 ESP32 Processor Core Dual ARM Cortex-M0+ Dual Xtensa LX6 … Read more

12 network protocol and their functions

lan robot head

TCP/IP (Transmission Control Protocol/Internet Protocol): Function: The foundational suite for internet communication, TCP ensures reliable, connection-oriented data delivery, while IP handles addressing and routing. HTTP/HTTPS (Hypertext Transfer Protocol/Secure): Function: HTTP is used for web page retrieval, while HTTPS adds a layer of security with encrypted communication, crucial for secure online transactions. FTP (File Transfer Protocol): … Read more

What is mqtt?

iot

MQTT, or Message Queuing Telemetry Transport, is a lightweight and efficient publish-subscribe messaging protocol designed for low-bandwidth, high-latency, or unreliable networks. Here’s a short and effective overview: How MQTT Works: Publish-Subscribe Model: MQTT follows a publish-subscribe model where devices communicate through a central broker. Topics: Devices subscribe to specific “topics” of interest. Publishers send messages … Read more

A Powerful Self-Hosted Cloud Platform

Susiloharjo

Nextcloud is a self-hosted cloud platform that provides a variety of features, including file storage, file sharing, calendars, contacts, and more. It is a popular alternative to commercial cloud platforms like Google Drive and Dropbox, and it offers a number of advantages, including: Privacy and security: Nextcloud is open source software, so you can be sure that … Read more