pubsubclient
A lightweight MQTT client library for Arduino and compatible hardware enabling IoT publish/subscribe messaging.
What is pubsubclient?
PubSubClient is an Arduino library that provides MQTT client functionality for IoT devices, enabling them to publish and subscribe to messages through an MQTT broker. It solves the problem of implementing lightweight MQTT communication on resource-constrained Arduino hardware, allowing devices to participate in IoT networks using the standard MQTT protocol.
Arduino developers building IoT projects that require MQTT communication, particularly those using Ethernet or WiFi shields to connect devices to message brokers.
Developers choose PubSubClient because it's a lightweight, well-established MQTT implementation specifically optimized for Arduino's constrained environment, with broad hardware compatibility and simple API that doesn't require extensive networking knowledge.
Overview
A client library for the Arduino Ethernet Shield that provides support for MQTT.
Use Cases
Best For
- Adding MQTT communication to Arduino-based IoT sensors
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