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Justin Paulin

Software, Electronics, and Some Interesting Things Too.

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Author: Justin Paulin

Posted on May 28, 2014May 14, 2014 by Justin Paulin

A Webmaster’s Worst Nightmare

Woke up to all this in my inbox today. It was much scarier in person.

Posted on May 14, 2014July 29, 2014 by Justin Paulin

Dirt Cheap Dirty Boards (DirtyPCBs.com) Review

After seeing the post about DirtyPCBs last month on Hacker News, I decided to give them a try and ended up ordering some prototypes of a basic Arduino matrix shield that I had been working on in KiCAD. When I placed my order on April 10th, 10 5cmx5cm boards cost me $12. Looking at the site now, it seems Read More…

Posted on April 21, 2014May 14, 2014 by Justin Paulin

Testing a Texas Instruments TI-99/4A Without Power or Video Cables

I bought this TI-99/4A computer along with around 70 games, 2 monitors, and a Milton Bradley MBX system at a garage sale a few years ago. If I recall correctly, the seller used to be a Regional Manager for Texas Instruments in the 1980s, and used it as his personal computer during that time. The Read More…

Posted on March 17, 2014June 20, 2014 by Justin Paulin

Converting a Merit Radion Force Countertop From CRT to LCD (Without The Official Kit)

During a recent auction, I purchased a Merit Radion Force game system with a dying monitor. As the monitor was unusably dim at maximum brightness settings even under dim light, the cathode gun was likely on it’s way out; and a repair would cost many times more than what I paid for the machine itself. So rather than sink any money Read More…

Posted on February 12, 2014May 13, 2014 by Justin Paulin

Android FTP Server Project – How to Give Apps Write Permissions to External Storage Devices

I recently purchased an inexpensive ($35~ on FastTech.com) Android Mini PC to replace the old Windows XP computer I had running an FTP server for offsite web server backups. It’s smaller, more secure, and uses a lot less power than the old computer did. However, with the stock Android ROM on the device, writing to Read More…

Posted on January 22, 2014June 20, 2014 by Justin Paulin

Jackpot Crossing – The Anatomy of a Ticket Redemption Arcade Game

This game only needed some sensor repairs (a few transistors and capacitors were torn off on the coin detection boards), so I figured I’d use this post to go over the standard features of a typical ticket redemption game as well as the repair, just to keep things interesting. This game, Jackpot Crossing by American Read More…

Posted on December 3, 2013May 12, 2014 by Justin Paulin

Simple Windows Batch File Scheduled Backups

Here are a few Windows batch scripts that I wrote to use for scheduled backups. Each is only a few lines long, and does everything that most people will ever need, including zipped, encrypted, and simple folder backups. To use them, simply edit the paths, save the contents to a batch file (.bat extension), and Read More…

Posted on November 12, 2013May 12, 2014 by Justin Paulin

Apple Time Capsule Power Supply Replacement Mod

After having repaired my Apple Time Capsule’s power supply twice due to heat-damaged bulging capacitors, I went ahead with a mod that I had been thinking about attempting for quite some time. The mod replaced the built-in power supply with a simple ATX Molex connector, allowing the Time Capsule to run without it’s hottest component, on Read More…

Posted on October 29, 2013May 11, 2014 by Justin Paulin

Identifying Fake Nintendo DS (NDS) Games

In addition to the fake GBA games I went over in my last post, I’ve also ended up with a number of counterfeit Nintendo DS games as well. In this post, I’ll go over how to spot a fake Nintendo DS game, both from the inside and out. As with fake GBA games, fake DS Read More…

Posted on September 6, 2013May 11, 2014 by Justin Paulin

Identifying Fake Game Boy Advance (GBA) Games

Since I’ve started purchasing large lots of games on eBay, I’ve acquired a number of Game Boy Advance games of dubious origin (All of which were covered by PayPal’s Buyer Protection on counterfeit items). In this post, I’ll go over how to identify counterfeit GBA games, and what steps you can take to avoid getting scammed. Read More…

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About Me

Hi! I'm Justin, a fourth-year Computer Engineering student at the University of Waterloo, in Ontario, Canada.

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