Assistive Technology: Sonoma Academy (2025) - Hand Switch & Mouth Joystick

Hand Switch & Mouth Joystick

Hand Switch

Mouth Joystick

Meet the Engineer

Lucas Marckx

Insert

Contact Information: name@name.com

Build Instructions

Switch Build: Hand Switch

Materials

CAD File(s)

Code

Code

Step 1

Description: Strip the ends of the wires attached to the jack and the button. Put a bit of hot glue around the button and insert into the 3d printed base.

Step 2

Description: Put one piece of heat shrink over each wire and a larger piece over both wires. Twist the button wires withe the jack wires and solder together. It is important to do this step after putting the button in the 3d printed piece as it won't fit after attaching the jack.

Step 3

Description: After soldering, move the smaller heat shrink to cover the exposed wire and heat with a lighter or heat gun, let cool. Move the larger heat shrink over to hold both wires together and heat again.

Step 4

Description: Assemble the rest of the button by adding the springs into the slots around the button and place the top on.

Step 5

Description: Plug into the hub and it is ready to use.

Switch Build: Mouth Joystick

Materials

CAD File(s)

Code

Code

Step 1

Description: Solder 3 jumper wires onto the pressure sensor (ground, power and switch). Strip the ends of those wires and the ends of the wires on the plug side of a three pin connector. Twist and solder together. Repeat on the joystick. Connect the x-axis, y-axis, and switch to a three pin connector and the ground and power to a jack.

Step 2

Description: Hot glue the joystick onto the left side of a large popsicle stick or similar item, with the pins facing left. Repeat with the pressure sensor on the right side, with the pins facing up.

Step 3

Description: Put the 3d printed bracket onto the trigger clamp. (It is easiest to do this while the clamp is attached to something.) Glue the popsicle stick with the pressure sensor and joystick onto the flat part of the bracket.

Step in 4

Description: Put a dap of hot glue around the inside of the 3d printed joystick extension and attach to the joystick. Add the tubing to the pressure sensor and feed into the joystick extension.

Step in 5

Description: Plug the jack into the hub and the 3 pin connector that is attached to the joystick next to it. Plug the pressure sensor in the second three pin connector on the hub.

Hub Build: Switch Interface

Materials

CAD File(s)

Step 1

Description: Strip the ends of the wires on all the wires and do the same for 12 male jumper cables. Solder them all together and wrap the exposed part of wire in heat shrink.

Step 2

Description: Glue three jacks into the ports on the left side. Put two 3 pin connectors into the port and glue in cardboard or foam core to fill in the space. There will be two empty ports, these can be used for additional add ons if you choose.