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Using the *Arduino Motor Shield* to interface with 2 DC motors http://www.instructables.com/id/Arduino-Motor-Shield-Tutorial/step5/Two-Motors

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Já faz alguns dias que venho estudando um pouco de eletrônica para o desenvolvimento do meu TCC. Estive pesquisando um pouco sobre microcontroladores e recent

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from Instructables.com

How to drive a DC Motor with Transistor - Arduino Tutorial

To drive a DC motor you need a larger amount of current than Arduino board can give. For that reason you must use a transistor. Transistors have limits and maximum specs, just be sure those values are enough for your use.The transistor we are using for this tutorial is P2N2222A and is rated at 40V and 200mA, it just perfect for one toy dc motor.Note: If your motor needs more current than 200mA you can just buy another transistor (ask the staff in the electronics store). The connections…

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from Instructables.com

Arduino Motor Shield Tutorial

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from Instructables.com

Arduino Motor Shield Tutorial

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from Instructables.com

Mini CNC machine Arduino Based & Adafruit Driver Motor L293D v1 & 2*Mini Stepper CD/DVD player #1

In this project I will show you how to easily build your own low-cost Arduino Mini CNC Plotter!For X and Y axis we will use stepper motors and rails from two dvd/cd roms! Printing area will be max 4x4cm.

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