Arduino Motor Shield Tutorial

Arduino Motor Shield on a small robot

Arduino Motor Shield on a small robot

I recently picked up an Arduino Motor Shield R3 recently and found there wasn’t a whole lot of example code on the official Arduino website for it. After some tinkering around I decided to post some example code and a Arduino motor shield tutorial. I am going to break this down into sections: overview, setup, braking, direction, speed, and current sensing. Please keep in mind that this is for the Arduino Motor Shield R3 if you are using a different shield this information won’t be relevant.
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Mesh Analysis Practice Problem

Here is a Mesh Analysis Practice Problem to practice basic mesh analysis and circuit analysis skills. This is a fairly basic problems without super-meshes. These are the types of problems you could find in the beginning of a Circuit Analysis 1 type of class. Typically around chapter 2 or 3 of your textbook.

Mesh Analysis Practice Problem Number 1

Mesh Analysis Practice Problem Number 1

There are several questions that could be asked for this problem.
Solve these questions using mesh analysis:

  1. What is the voltage across R2?

Continue reading to see a step by step solution on how to solve this question!
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Complete Menu System of Ti nSpire CX CAS

Menu System of Ti nSpire CX CAS

Menu System of Ti nSpire CX CAS

The Ti nSpire CX CAS has quite an extensive menu system.  I though I would go through and list out the menu structure.  I will eventually list how to use a lot of these features on the nSpire CX CAS calculator.
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Ti-36x Pro Review

Ti-36x Pro ReviewI had to purchase a scientific calculator for one of my classes so after some browsing online I decided to purchase the Ti-36x Pro and I was not disappointed.  After using this calculator for a semester at college I decided post a Ti-36x Pro review.   The Ti-36x Pro is packed with tons of features, such as the ability to solve simultaneous equations, evaluate definite integrals and a quadratic equation solver, just to name a few.

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Magpul Field Case for Iphone 5 Review

Magpul field case for iphone 5
I am very picky about cell phone cases.  On my Iphone 5 I have easily have tried or broken a dozen different cases.  (Otterboxes, Lifeproof Cases, Bumper Cases, and Snap Cases).  I am always looking for a slim case that will hold up and protect my phone from small drops.  I saw the Magpul Iphone 4 cases on amazon a few months back with extremely positive reviews.  I was browsing  amazon about two weeks ago and saw that they had finally release a case for the Iphone 5.  The new Magpul Field Case was priced extreamly well for such a highly review cases.  I decided it was worth the risk and pulled the trigger and ordered a Black Magpul Field Case.

As soon as I opened the package of the Magpul Field Case I knew it was something different.
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Nite Ize Microlock S-Biner Review

Nite Ize Microlock size comparison

I use a metal Nite Ize Key Rack for my daily key carrying needs. After reading some of the amazon review of the keychain I saw several people had a few issues with keys becoming un-clipped and falling off. Although after about a month of use with the Key Rack, un-clipping has never happened to me. I figured it would rather be safe than sorry, so I decided to pick up a pair of the Nite Ize S-Biner Micro Locks.

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Maglite Solitaire LED Review

Maglite Solitaire LED Review

Recently I have been looking for a good flashlight to add to my key-chain. A lot of people online recommend the Streamlight Nano Light , but due to it requiring coin cell batteries I decided to look for another option that uses standard batteries. In my searching I came upon the MAGLITE Solitaire and the Maglite Solitaire Led. I have always have been happy with maglite products so I decided to give the brighter Maglite Solitaire Led. I ordered it offline and a few days later it arrived.

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