Quantity   Component name
1 × Arduino Uno
1 × Cthulhu Shield electrotactile tongue stimulation shield for arduino uno/mega
1 × Sapien LLC electrode array
1 × Android device
1 × Android USB OTG cable (type c or micro B depending on device)
1 × Micro USB B to Type C adapter (optional)
1 × USB A to B cable (standard arduino cable)