I'm wondering if there are any C people here? I'm learning from scratch and am struggling with the Arduino.cc 'smoothing' tutorial, designed to teach about potentiometer inputs, arrays and for loops.

SparseArray is an experimental library to implement a one dimensional sparse array of floats (a.k.a. vector) on an Arduino. A sparse array is an array with mostly zeros and a low percentage non-zero ...

Bumping #880 which was closed as stale. It would be really helpful to be able to set the "output" variable in the arduino.json file with environmental variables ...