Smart Office is an IoT Project to practice a lot of IoT's concepts like NodeRed, MQTT, Security, Raspberry Pi, GrovePi, senses, ESP32, LoRa, REST APIs, cloud, Ubuntu, Arduino ...

Elecrow CrowPi 3 is the latest CrowPi learning and development kit featuring 41 built-in modules and over 150 lessons, and offering compatibility with Raspberry Pi 5, Arduino Nano, BBC Micro:bit, and ...

This library provides a client for doing simple publish/subscribe messaging with a server that supports MQTT. I have added another connect() method for allowing a byte buffer and buffer length to be ...

Abstract: This paper presents a low-cost, web-based monitoring system for Industrial Internet of Things (IIoT) applications. The system collects real-time data from a PLC using Node-RED on a Raspberry ...