Tri-Module and Controller for wheelchair

Abstract

The Tri-Module and Controller is an Electronic Door Opener, a Backpack Retriever, and an Electronic Tray Placer. The door opener relies on microcontrollers to organize inputs from three sources, the Backpack Retriever uses a pivoting arm to bring a backpack into easy reach, and the Tray Placer is a device that locates a tray in front of the user in a position wherein it is most convenient.