Embedded System
https://www.cypress.com/file/416481/download
LED Driver
https://www.onsemi.com/pub/Collateral/NDP6020P-D.PDF
LEDs
https://everlightamericas.com/index.php?controller=attachment&id_attachment=2204
https://everlightamericas.com/index.php?controller=attachment&id_attachment=2355
Android Documentation
https://developer.android.com/guide/topics/connectivity/bluetooth-le
Relevant Video Tutorials