## Scrap-It! – Dell All-In-One Printer

Posted: February 13, 2014 in Computers, Informative Information
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There’s snow and ice where I live, and I live in the south. South + snow + ice = everything shuts down. In the meantime, this was perfect for finally getting to scrapping my semi-old Dell printer, as I got a new one, that uses easier to find ink (and cheaper).

Its mostly a photo-style blog today, so enjoy:

The Dell printer to be scrapped today!

## Building A Quadcopter! – Part 5 – PID problems

Posted: February 11, 2014 in Hard Projects, Projects, Quadcopter
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Quadcopter Problems, circuit boards, and where to go from here? That is the topic for today’s post.

First off, hello again after the long break! To get down to business though, this quadcopter project has been holding me back on many project things. For the model railroad enthusiasts, I’ve worked more on the layout, and have two buildings so far. I’ll get to them soon as I can in the coming weeks.

So the title is, PID problems. This has been the focus of the problems from the quadcopter, for the last few months. It isn’t the only cause, but seemingly is the only thing keeping the quad from leaving the ground.

What is PID? Well, to put it simply, it means Proportional-Integral-Derivative. This is used in many control systems for electrical circuits. You’re A/C controller on the wall probably has a PID controller. Your fridge/freezer has a PID controller. Same goes for your car and other various electronics. In short, a PID takes an error and compares it to a set point (i.e., your thermostat is set at 70 degrees F). If the error is too low or too high, it adjusts the output of the controller to bring the error to zero.