Thursday, October 31, 2013

Beaglebone Black Image Setup for 'The App'

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Below is the procedure that I follow to create an Operating System mage on which my app runs.   This assumes we are starting with a distribu...
Wednesday, October 30, 2013

Implementing an I2c Workaround

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The i2c library that I am using ( kelly/node-i2c ) works great...but...after some period of observations it causes node.js to fail with a se...

Integrating a Joystick via I2c with a GPIO Detected Button - Software

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The code used to integrate with the Joystick hardware described by the previous post is shown below.   Note that the entire working demo is ...

Integrating a Joystick via I2c with a GPIO Detected Button - Hardware

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The images below illustrate the wiring for a joystick that I purchased from eBay.   Here are notes corresponding to the diagram: The ...
Friday, October 11, 2013

Using Socket.IO on Node.Js with RGaph to Animate a Report

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“The App” demo uses Socket.IO for easy real-time communications between the server process running under Node.js and the client process r...
Thursday, October 10, 2013

Node.Js, Socket.IO, Physical Interface, Screen Recording

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Here is a screen capture of the demo application that I have been, and will be, discussing.  It's a simple example but demonstrates...
Wednesday, October 9, 2013

Node.Js Web Page Processing (Using 'html' Library)

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Node.Js supports a number of libraries to facilitate handling of web interactions.   One of the most primitive is 'html' with 'c...