This instructable will cover how to make a light seeking robot (Photovore), and some robotics and motor control basics. This robot can be built with parts found at the nearest Radio Shack, if you already have an Arduino board and a robotic base. The cost for a five pack of CdS cells (Light dependent resistors) cost $2.99 at Radio Shack. and a 15 pack of NPN transistors (very useful later on) are also $2.99. Of all these parts, we will only need two NPN transistors and two CdS cells.
Please remember, this is my first instructable.
I really appreciate criticism, comments, questions, and suggestions.
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Note: by posting any pictures in the comments, you are giving me full rights to the posted image (disclaimer to post robot pictures on the last step.)