![](https://tangibleinstruments.com/wp-content/uploads/2020/05/4c2aee14e2c872697e3bb3a7c0825056.jpg?x54479)
Here’s a shot of our prototype #3 main circuit board with SD card slot, battery holder, and a whole bunch of new stuff! These came in last month. We’re one more round of hardware revisions away from production! #hardware #music #electronicmusic #arpeggio #startup #design #make #makemusic