Download Automatic Whiteboard Eraser Interfaced Using Assembly Language

Transcript
For automatic erasing:
S2 = d2/tave2
= 1.6256 meters / 29.0812 sec
S2 = 0.0559 m/s
In this computation, manual erasing is faster than automatic erasing
considering the distances and the time consumed to erase the contents of the
board. This test shows that manual erasing is faster than automatic erasing.
However, the speed of the design project is a minor factor to be considered.
The time consumed by the user to push the buttons to use the automatic
whiteboard eraser, which takes less than 2 seconds, is the important factor to be
considered in this design project. The user does not have to waste time and
effort in doing manual work.
The automatic whiteboard eraser will do the
erasing job while the user can continue his/her work.
Part 4: Determining the appropriate size of the whiteboard
The designers previously used larger whiteboard with dimensions of 46” x
24” with a larger frame with dimensions of 61” x 48 ½”. However, numerous
problems were encountered. First, transporting the prototype was a nuisance
since it could only fit in a van. Second, not all the areas of the whiteboard could
be erased—considering the position of the DC motors and the length of the
previous conveyor belt. There was so much space wasted on the sides of the
board that is almost 5”. In order to lessen these problems, the 46” x 24” board
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