Hardware for Proto FeatherWing

The Proto FeatherWing is secured to the PCB mount using screws and hex nuts. Use the following hardware.

• 4x M2.5 x 8mm screws
• 4x M2.5 hex nuts

Install FeatherWing

Place the FeatherWing over the four tabs with the mounting holes lined up. Reference the photo for correct placement. While holding in place, insert M2.5 x 8mm screws into mounting holes on the FeatherWing PCB. 

Secure FeatherWing PCB

Install and fasten the M2.5 hex nuts to threads of the screws to secure the FeatherWing to the PCB mount. The FeatherWing was mounted with the USB port close to the edge. Double check the placement of the PCB with the Feather M4 installed on top of the Proto FeatherWing.

Standoffs (Optional for Battery Power)

For battery power, standoffs will provide clearance for fitting a battery in between the Proto FeatherWing and NeoMatrix PCB. Use eight M.25 x 6mm long screws and 10mm tall M2.5 standoffs to secure the FeatherWing to the mounting tabs on the case.

Install Switch

The slide switch is inserted at an angle into the built in holder. The actuator pokes through the little hole on the side of the mount. The body of the slide switch will stay in place when the NeoMatrix PCB installed. It essentially holds the switch in place preventing it from coming out the top.

Install NeoMatrix

The NeoMatrix PCB is fitted into the pcb mount with the mounting holes lined up with the built-in standoffs. Orient the PCB so the mounting holes are lined up. Reference the photos for correct placement. Place the NeoMatrix PCB over the standoffs and press down so the pegs are fitted into the mounting holes.

Installed NeoMatrix

The built-in standoffs provide approximately 4mm of clearance. This in turn makes the PCB mount thick (11.5mm) but overall a design decision that accommodates for  wiring and connectors.

Install Grid

The grid is designed to fit over the NeoMatrix PCB. The walls in the grid feature cut outs specifically sized for the on-board 0805 capacitors on the NeoMatrix PCB. Orient the grid so the cutouts are lined up with the caps on the PCB. Place the grid over the PCB and press the grid into the PCB mount.

Install Acrylic

The piece of acrylic is press fitted into the cover with the matte side facing down and the glossy side facing up. The lip around the bottom surface keeps the acrylic from falling out.

Install Cover

The cover fits over the grid and PCB mount. Orient the cover so the cutout is lined up with the switch on the PCB mount. Snap fits on the edges grasp onto the nubs on the side of the PCB mount.

Connect NeoMatrix to FeatherWing

Connect the JST cable from the NeoMatrix and Proto FeatherWing together.

USB Power

Connect a USB cable to the USB port on the Feather. Use a computers USB port or USB 5V wall adapter to power the Feather. Optionally use a battery.

Final Build

And there you have it! Enjoy your new square pixel display and create something awesome with it!