Perma-Proto Back Plate
Before mounting the Perma-Proto boards, snap on their 3D printed back plates. These will help to protect the solder points from damage and shorts.
Attach two M3 stand-offs with two M3 screws into two of the holes in the bottom of the case as pictured. Then, with one M4 screw and a T-Nut, mount the case to the aluminum extrusion.
A 3D printed single corner brace is secured to the side of the aluminum extrusion using an M4 screw and a T-Nut. The remaining hole from the case is secured to the corner brace with an M4 screw and M4 nut.
The ItsyBitsy is ready to be powered-up to run the BLE MIDI xylophone! For best results, use an external 5V USB power supply rated for at least 2A.