pubsub - Kevin Hoyt

Slap Robin with the ZX Gesture Sensor

Every now and again, I run across a sensor that just sounds like fun. Such is the case when I read about the ZX Gesture Sensor from Sparkfun and XYZ Interactive. Put it together with the Internet, and I just may have gotten a little slap-happy. The Sensor The ZX

watson

Your Browser on Watson IoT

In my previous blog post, I connected a Particle Photon to Watson IoT. At several points during that post I mentioned the subtleties of device connectivity versus application connectivity, but I did not really show the application side. In this post, I will pick up the messages from the Photon

iot

Particle Photon on Watson IoT

IBM has had an IoT platform offering for a while now in various forms. The most recent evolution falls under the Watson brand, and includes device management, and authentication. Marketed as the Watson IoT Platform, the messaging layer is MQTT supported by IBM MessageSight. MQTT is an ISO standard largely

iot

IoT Weather on Android

In a previous post I talked about moving from request-response to using the publish-subscribe pattern. This pattern allows our application parts to listen for changes in a decoupled fashion. This works great with the continuous feed feature of IBM Cloudant. In this iteration I will bring the data to Android,

iot

Cloudant Continuous Feed

Over the past several examples, new documents in IBM Cloudant have been discovered by continuously polling the database. This is not only inefficient at scale, but creates a tight coupling between our clients and the server. With a little tweaking to our existing code, Cloudant can tell us when changes

pubsub

Publish-Subscribe Everywhere

Kaazing Gateway brings many awesome new superpowers to your stack. Among those is the ever-sexy enterprise WebSocket (pioneered at Kaazing) feature. This feature allows you to tap into enterprise messaging systems, and leverage the publish-subscribe pattern in your applications. Publish-subscribe is catching on everywhere these days. Here are a few

iot

Messaging and the New Web

The Widget Company now has two successful devices on the market. WidgetX (LED) has a web server built into it, and is expecting REST operations for control. WidgetY (photocell) has a WebSocket server built into it, and can push sensor data to the web in real-time. But does this represent