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 ...

Whilst having a bit of fun making Xmas tunes with the Arduino, we can also learn a couple of things. Let's cover a simple use of ARRAYs, find out what PROGMEM is all about and how we can split our ...

This tutorial will guide you through the process of building a tachometer around an Arduino. Tachometers are used to measure rotation rate in Revolutions Per Minute (RPM). You don’t need much… ...