Sites

blog.j2i.net

My blog, mostly about development. Occasionally other things that I find interesting show up here.

Videos

My recent videos from YouTube and Instagram.

Web Apps and Code Demos

Dynamic Sound Demo

Demonstration of dynamic sound. This demo uses the Math.sin function and pipes the output to the computer's sound hardware.

Gampad Status in JavaScript

Read and interact with the game controller from JavaScript.

NFC Reader

A Mobile Application for reading NFC data using your phone. This app will read the NDEF messages from the card and display them separately.

Sunrise Calculator

If given access to your location, this application will calculate the runrise and sunset time for your location and display it on a 24-hour analogue clock.

Luhn's algorithm

Sample code for a checksum operation that is uses on many numbers, such as credit card numbers.

Magnetic Card Reader

Sample code for parsing data from a magnetic card reader.