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GitHub - joeSeggiola/jamman-arduino-sync: An Arduino project for syncing the JamMan Solo XT looper pedal (and compatible ones) to any analog clock/pulse input, for example from Korg Volca units, Arturia sequencers and synthesizers,
Arduino Pin Change Interrupts – The Wandering Engineer
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c++ - Simulate Arduino-like Interrupts in C++11 - Stack Overflow
Using Arduino Interrupts - Hardware, Pin Change and Timer
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Processor Interrupts with Arduino - SparkFun Learn
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Android Basics and User Interfaces
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