Remove Switch & LED

Remove the micro switch from the arcade button by twisting it counter clock-wise and pulling it out.

Remove the LED from the micro switch housing by pulling it straight out.

Set the LED aside, it won't be used in this project so you can save it for another project. 

Remove Nut & Plate

Unscrew the plastic nut from the arcade button threading.

The arcade button plate should freely come out of the button housing.

Set the arcade button plate aside, it won't be used in the final build.

Remove Button Actuator

Use a wide flat tool (LEGO brick separator shown in photo) to push the internal spring.

Use your fingers to pinch the two white prongs.

Push the white prongs through the button threading and pull out the white housing from the black button housing.

Remove Dome & Cover

Use the spudger tool to pry the clear plastic dome from the white button housing. 

Fit the edge of the tool in between the clear plastic dome and white button housing then lift to pry them apart.

A white cover diffuser should freely come out of the clear plastic dome.

Disassembled Arcade Button

With the arcade button fully disassembled, take a moment to inspect all the parts are accounted for. 

LED Strip Holder

Get the white button housing, wired NeoPixel strip and 3D printed strip holder ready.

Install LED Strip to Holder

Insert the NeoPixel strip into the 3D printed strip holder with the starting end fitted through the slit in the holder.

Double check the NeoPixel strip is correctly fitted into the 3D printed strip holder.

Install Strip to Button Housing

Grab the cable from the NeoPixel strip and insert it through one of the two holes in the white button housing.

Fit the 3D printed LED strip holder into the cavity in the white button housing.

Press the 3D printed LED strip holder into the cavity so it fits flush with the wall of the white button housing.

Reinstall Button Cover

Place the button cover diffuser over the button housing with the notches lined up correctly.

Press fit the white cover diffuser back onto the white button housing.

Reinstall Dome

Place the clear dome over the white cover diffuser and firmly press them together to snap fit them closed.

Install LED Strip Cable

Insert the NeoPixel cable through one of the two holes in the black button housing.

Reinstall Button Actuator

Insert the spring back into the white button housing.

Begin fitting the two prongs into the black button housing.

Use your fingers to compress the spring so the two prongs can be fitted through the black button housing.

Reassembled Button

Double check the two white prongs are fitted through the notches on the end of the buttons threading.

Make sure the whole length of the NeoPixel cable has been pulled through the holes in button housings.

Install Top Cover

Insert the assembled button into the top cover with the two side nubs fitting into the notches.

Push the assembled button so it's flush with the surface of the top cover.

Install New Button Plate

Insert the NeoPixel cable through the 3D printed button plate.

Place the 3D printed button plate over the arcade buttons housing.

Secure Button Plate

Fasten the plastic nut onto the button threading to secure the 3D printed button.

Reinstall Button Switch

Insert the micro switch back into the button threading.

Press and twist clockwise to secure the micro switch in place.

Installed Micro Switch

Double check the micro switch can be actuated by pressing down on the clear plastic dome. It should "click" when pressed.