This assistive technology “Handraiser Light” can be used to gain attention when a person is unable to physically “raise their hand”. It is designed to hang on the back of a laptop or tablet and can be lit as needed.

Check out how to make this simple AT device at https://learn.adafruit.com/AT-Hand-Raiser

Materials:

• Adafruit Trinket
• Micro USB Cord
• 3D Printed Pieces: Backplate, Hanger, and a Translucent Cover (from Thingiverse.com)   

Steps:

1. Place the trinket on the backplate and snap it in
2. Snap the hanger piece on the backplate
3. Snap the clear translucent cover on top
4. Plug in micro USB cord
5. Watch it glow!