Brandon Yap

USB disk docks

I found this great little doovey today. It’s a USB SATA disk dock that lets you plug in 2.5″ and 3.5″ SATA hard drives, just like a hard drive enclosure, only better. Available from PC Case Gear for $69 + shipping.

Upgrading my Macbook hard drive

Enough is enough. I’ve delayed upgrading this modest 80 gig hard drive that came with the Macbook for far too long. It’s time for an upgrade! So down I go to the local dodgey computer store, you know the one that looks more like a warehouse than a shop. I picked up a 160 gig drive for $125. Bargain! 5400rpm, 8Mb cache, NCQ. Certainly not the fastest but well worth the price. Now i’ve been doing Time Machine backups since November last year, so when I got home, I fired up the computer one last time and performed a backup. …

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The Ghetto UPS

by Brandon Yap Here’s a project I built a few years back now. I wanted to build a UPS for the fun of it, so I did. It turned out to be a very educational experience. It taught me a lot of things about batteries and electricity. Requirement: A scaleable UPS which is not too expensive and would run for over an hour, ability to add more batteries as required.Problem: Off the shelf UPS’s are too expensive for the given runtime.Solution: Purchase commodity parts seperately and build one.Budget: Under $1000 The Battery This battery is manufactured by East Penn Manufacturing …

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