4 Bar Drum Pattern Manager, Beat-Maker, similar to the FL Studio Channel Rec interface, but with arduino components By pressing on a 4x4 button grid, you can select the beats on which a specific drum ...
Recently I bought a cheap VKTECH Saleae logic analyzer clone from www.aliexpress.com. The product itself is cheap but it works. Just the cables that shipped with it were crap and had to be replaced ...