pubsub - Kevin Hoyt

Kevin Hoyt

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A collection of 7 posts

Slap Robin with the ZX Gesture Sensor

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

Your Browser on Watson IoT

Your Browser on Watson IoT

In my previous [https://krhoyt.ghost.io/2016/04/27/particle-photon-on-watson-iot/] blog post, I connected a Particle Photon [https://www.particle.io/] to Watson IoT [https://console.ng.bluemix.net/catalog/services/internet-of-things-platform/]. At several points during that post I mentioned the subtleties of device connectivity versus application connectivity, but

Particle Photon on Watson 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 [https://console.ng.bluemix.net/catalog/services/internet-of-things-platform/], the messaging layer is MQTT supported by

IoT Weather on Android

IoT Weather on Android

In a previous post [http://blog.kevinhoyt.com/2015/08/20/iot-with-cloudant-follow/] 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 [http://cloudant.

Cloudant Continuous Feed

Cloudant Continuous Feed

Over the past [http://blog.kevinhoyt.com/2015/08/13/weather-on-android/] several [http://blog.kevinhoyt.com/2015/08/13/weather-on-android/] examples [http://blog.kevinhoyt.com/2015/08/18/iot-weather-on-android/], new documents in IBM Cloudant [http://cloudant.com] have been discovered by continuously polling the database. This is not only inefficient

Publish-Subscribe Everywhere

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 [http://en.wikipedia.org/wiki/Publish%E2%80%93subscribe_pattern] in your applications. Publish-subscribe

Messaging and the New Web

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