2017년 8월 31일 목요일

Enginursday Detecting Knob Changes



Comparing an ADC value with a previous value can detect a changed state, but what if noise is introduced? See some topologies in action for detecting purposefully changed inputs while rejecting noise. See https://www.sparkfun.com/news/2468 for more information. SparkFun parts used in this video: SparkFun RedBoard - Programmed with Arduino https://www.sparkfun.com/products/13975 Black Knob - 15x19mm https://www.sparkfun.com/products/9998 Rotary Potentiometer - 10k Ohm, Logarithmic https://www.sparkfun.com/products/9940 Teensy 3.2 https://www.sparkfun.com/products/13736 SparkFun TeensyView https://www.sparkfun.com/products/14048 Proto Pedal Enclosure https://www.sparkfun.com/products/13967 SparkFun Proto Pedal https://www.sparkfun.com/products/13124 Code used in this video can be found on github:: https://github.com/marshalltaylorSFE/... The referenced book is called: Design Patterns: Elements of Reusable Object-Oriented Software ISBN-13: 978-0201633610


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