Source: https://www.researchgate.net/profile/Abdelbasset-Krama-2/publication/325903110_Etude_et_realisation_d'une_carte_de_controle_par_Arduino_via_le_systeme_Androide/links/5b322cea4585150d23d54266/Etude-et-realisation-dune-carte-de-controle-par-Arduino-via-le-systeme-Androide.pdf