In this tutorial, you will learn about how to create an app for controlling a LED connected to a NodeMCU WiFi module in javaScript. It’s fun and easy, and you can see changes made in the app in realtime, just like editing web pages!
JavaScript mobile apps for your NXP Hexiwear BLE device
This article is all about connecting your NXP Hexiwear device to an iOS or Android phone or tablet using Bluetooth Smart (BLE). The Hexiwear is a multi-sensor device based on the ARM Cortex M4 architecture, with a sidekick ARM M0 for the BLE connectivity and an on-board array of sensors in order to become aware of the world around it. … Read More
Visualizing accelerometer data using IBM Watson IoT Platform and Smoothie Charts javascript library
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
Charting IoT sensor data using C3.js and IBM Bluemix
In a previous tutorial on Bluemix, we successfully published TI SensorTag readings to IBM Bluemix IoT cloud service using MQTT API and our mobile app that was developed Evothings Studio. In this tutorial, we’ll use the same sensor device from Texas Instruments, adding to the mobile app a JavaScript chart library for visualising the SensorTag readings on a line chart … Read More
How to develop mobile apps for Bluetooth Low Energy in JavaScript
Evothings Studio makes it easy to develop real mobile apps in JavaScript, also for distribution via the official app stores. This guide provides an overview of how to develop mobile apps using the smartphone’s Bluetooth Low Energy (BLE) capabilities. We’ll give you pointers to our latest tutorials and libraries, all ready to deploy and use with your Cordova application. Evothings … Read More