Visualization is an important part of any IoT deployment, especially when you are using sensors such as temperature, humidity, light etc. Plotting sensor data on a live updating line chart is what we discussed in our second installment, however, if you have a more continuous form of data incoming, such as a stream, you may want to visualize it as … Read More
This is a followup article to Evothings does MQTT with Bluemix. This time we make the same application run but using our own MQTT server, showing how to get going with both VerneMQ and EMQTT using a real certificate from Letsencrypt.org. I also tried to use MQTT.js instead of the Paho library we used previously but I eventually gave up, … Read More
This article will show how you can connect your Evothings app to the IBM Bluemix cloud via a MQTT service within the IBM IoT Foundation. So let’s start with some background information around protocols. If you are impatient you can skip down! Protocols overview In the IoT world there are a few messaging protocols competing for attention, mainly XMPP, CoAP, … Read More
