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
- Adafruit Trinket
- Micro USB Cord
- 3D Printed Pieces: Backplate, Hanger, and a Translucent Cover (from Thingiverse.com)
- Place the trinket on the backplate and snap it in
- Snap the hanger piece on the backplate
- Snap the clear translucent cover on top
- Plug in micro USB cord
- Watch it glow!