MCUs are ideal MQTT clients because the protocol is lightweight and designed for low-bandwidth, low-RAM environments.

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Hiwonder has introduced the WonderLLM, an ESP32-S3-based smart chat module that combines a 2MP camera, a 2.0-inch touch ...

ACEBOTT QD023 is an ESP32-based wearable gesture control glove that tracks finger movements with potentiometers instead of more traditional flex sensors.

Total mastery over the pinout and functionality of the PCA9306 for conversion of logic levels from 5V to 3.3V. A step-by-step interfacing diagram for the PCA9306 to Arduino UNO. Working example with ...

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 ...

There are a number of great libraries out there to allow IoT devices to connect to the internet using a variety of network protocols. For cellular-enabled devices, the choice typically falls on ...

Abstract: Nowadays the growth of IoT is rapid and the MQTT protocol has become widely used in IoT communication. MQTT protocol does not come with strong security features except the username and ...