Source google image: http://www.collegegujan.fr/sites/technopc/img/2016_2017/3eme/Sequence4/activite43/3emeactivite43/schemabluetoothcomplet.jpg
Schema electrique arduino uno
Source google image: http://www.collegegujan.fr/sites/technopc/img/2016_2017/3eme/Sequence4/activite43/3emeactivite43/schemabluetoothcomplet.jpg