ABSTRACT
This paper describes the design of a wheelchair which is controlled with a Keyboard or Accelerometer. Accelerometer is going to produce different voltages based on tilting. The ADX335 MEMS (Micro Electro Mechanical System) Accelerometer senses the tilt of the hand. According to tilt it will produce voltages are given to microcontroller then the controller gives directions to Relays in the board. The Relays in the board will decides direction of wheelchair by ON/OFF corresponding motors. And also it can be controlled by using Arrow keys in the keyboard i.e. (Up. Down, Left, Right). Based on Arrow keys pressed on key board the corresponding direction of wheelchair is going to be change. Advantage of wheelchair is cost is low, power consumption of batteries is less, we can control easily, Complexity of design is less.
