Weekly Journal – PWM & Motors -(Witt Teem)


Last week, our lab explored PWM (Pulse Width Modulation) and Servos over two different lab periods. PWM was a crucial part of creating another project I have been working on, so I was happy to go deeper into the concept. Simply put, pulse width modulation is a way for the Arduino to simulate Analog output, instead of digital which is just on or off.We displayed this property by making a LED flicker and regulate the brightness in intervals with  a potentiometer. We then attempted to create a theremin, but we never got confirmation that it was working correctly. The next lab we worked with Motors & Servos. We learned how to wire them up to potentiometers and used them to regulate the amount of voltage running through them. We also learned about the two different types of servos, those that are able to travel in a complete rotation and others that can only travel in half rotations

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2017-03-01 14.26.12


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