ESP8266 + Arduino Uno + Eclipse Ponte HTTP Bridge = MQTT Magic

In my last two posts I covered how I setup the Eclipse Ponte Bridge locally and how my Arduino Yun was reading a MQTT topic from the Ponte Bridge using HTTPClient. In this post I will cover how I used an ESP8266 with Arduino Uno to publish a MQTT message with RGB values.

Esp8266 Arduino Uno
Esp8266 Arduino Uno

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HttpClient with MQTT On Arduino Yun

In the earlier blog post, I introduced Ponte and set it up locally on my windows PC. In this post I will demonstrate how I used the HttpClient on the Arduino Yun to read the MQTT messages and light up the LED strip using the Infineon Shield. This code does not use any of the MQTT Client libraries to subscribe to a topic. It just uses the HttpClient available on Arduino Yun’s bridge library and keeps polling the HTTP bridge on the Ponte server for message availability.

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Ponte, a M2M bridge for MQTT, CoAP and HTTP

In an earlier post I described how I setup Mosquitto as a local MQTT broker. In this post I will introduce you to “Ponte” a brilliant project that’s in development at the Eclipse foundation.

What is Ponte

Ponte Architecture
Ponte Architecture – Image Source: Eclipse.org Ponte team.

Ponte is a M2M bridge framework that aims to close the gap between M2M interactions and the rest of the Internet. The current implementation is built on top of NodeJs.

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