January 2004
Beginner
448 pages
17h 55m
English
Content preview from Hardware Hacking
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We’ll use a blue LED with forward voltage of 3.7V and a brightness of 2600mcd, coupled with a
470 ohm current limiting resistor.You can experiment with different values of resistance if you’d like
a brighter or dimmer LED.The resistor installed in the 7800 is 120 ohms, which, if paired with the
3.7V LED, results in significantly higher light output.
The tools required for this hack are as follows:
■
Phillips head screwdriver, standard size
■
Soldering iron
■
Solder sucker or solder braid
■
Wire cutters
Performing the Hack
Do the following:
1. We first need to open the 7800. Flip the case upside down and remove the five screws
holding the case together, as shown ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.