In this tutorial we will see how to build from scratch a musical keyboard, fully customizable in every aspect. We use, as usual, the legendary Arduino, buttons, and pull-ups.
Sometimes you have to put the hands of the hard drive partitions and if you have to delete one to free up space, or create a different structure, many are able to distraction, to remove the wrong one. Or Windows itself, perhaps as a result of an unplanned shutdown of the computer may not recognize a disk partition.