Let's make easy key copier with Arduino nano by yourself.
Sketch https://github.com/AlexMalov/EasyKeyD...
Arduino nano http://ali.onl/1e73
Pocket http://ali.onl/1e75
Box http://ali.onl/1e7a
Buzzer http://ali.onl/1e7f
Button http://ali.onl/1e7b
RGB led http://ali.onl/1e7c
Micro switch http://ali.onl/1e7e
Battery connector http://ali.onl/1e7h
Arduino for beginners by AlexGyver https://alexgyver.ru/arduinofirst/
Article by RECTO http://kazus.ru/forums/showthread.php...
Article by Peter http://domofonmaster2009.narod.ru/pu...