Best Use of Mobile Back-ends

Today I will talk about what I think is the best way to use mobile back-ends. With mobile back-ends I mean services that your apps can connect to for shared information and functionality. First I will go through what that functionality can be, and then I will give some examples of the most popular mobile…

Internet of Things – Wearable Actuators

Today I will show you how a wearable can be controlled from the cloud via a mobile phone. I will create a simple iPhone app that subscribe to an MQTT broker topic and set the color of an LED accordingly. Just as we can send sensor data from a wearable to the cloud (as shown…

Internet of Things – Wearable Sensors

Today I will talk about how you can make wearable sensors publish their data to the cloud via a mobile phone. I will create a simple iPhone app that collect information from a wearable sensor using Bluetooth and then publish that information to an MQTT broker. The idea of wearables is not new, and depending…

Internet of Things – iBeacons

Today I will talk about how you can use iBeacons with mobile apps. I will create a simple iPhone app that can find an iBeacon, and show information about it. The idea of iBeacons is quite simple: it’s a small device that sends out a signal that a mobile phone (or tablet) can pick up…

Internet of Things – An Ecosystem

Today I will talk about the Internet of Things and its parts as an ecosystem. I will start off with the basic concepts of observing and controlling the different parts, and then talk about different levels of the ecosystem as well as a few words on security. At the core of any Internet of Things…