This is the first hardware design. To avoid making the eTrolley cumbersome it is fitted with a 10.1" screen. This will allow the user to see enough information and make use of its touch-screen interface. It has a joystick which the customers can use to propel the trolley. The antennae gives eTrolley wireless capabilities to connect to the database. The database stores information about the location of the shelves and their contents. It also stores information about navigating through the shop. This includes recognizing where the eTrolley currently is so that the shortest distances can be calculated and a suitable short path suggested.
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