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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

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

This is comparison between esp32 series ESP32 is a low-cost, high-performance, Wi-Fi and Bluetooth-enabled system on a chip (SoC). It is designed for use in a wide variety of applications, including Internet of Things (IoT), wearables, and smart home devices. ESP32 features a dual-core Xtensa LX6 processor running at up to 240 MHz, 520 KB … Read more

Artificial intelligence (AI) has revolutionized many industries, including the way we create images. In the past, artists and designers had to rely on their own creativity and skill to create images. However, AI-powered tools are now making it possible to generate images from text, opening up new possibilities for creativity and expression. There are several … Read more

Rsync is a versatile command-line tool that can be used for efficiently transferring and synchronizing files between local and remote systems. It is commonly used for backups, file transfer, mirroring, and everyday file copying. How Rsync Works Rsync uses a delta-transfer algorithm to reduce the amount of data that needs to be transferred. This algorithm … Read more