In this lesson you will combine the ideas that you learned in the previous lessons (here and here) to make a LED change its brightness based on the level of light available - essentially a nightlight. You will learn a couple of new methods you can use and we'll discuss Pulse Wave Modulation (PWM) br...By: dougseven
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from Instructables: exploring - technology - robots http://ift.tt/1CcvLK9
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