Presented By: Connor, Lance, Al

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Presentation transcript:

Presented By: Connor, Lance, Al CDR Presented By: Connor, Lance, Al

Final Assembly

Bill of Materials Item Quantity Cost Include make vs. buy decisions Pulley 2 3D-Print Arduino 1 $16.00 Stepper Motor 3 $38.97 Pen Sled Wires 12 Provided Whiteboard (4x6ft) Borrowed Fishing Line 10ft Donated (I.T.)

Test Plans Code Test Range Goal: Draw a horizontal/vertical straight line 6” and 12” long Test: Start the pen equidistant from each motor. Calculations for line length, and run test. Results: Pass/Fail. (Straight or bowed) Range Goal: 36”x 44” (Dead zones create a smaller workspace) Test: Move the pen sled to the four extremes, mark location, and measure. Results: Size of the possible workspace

Test Plans continued Shapes-Code Test Speed Goal: 180 in/min-(30 in/10s)-(3 in/s) Test: Draw a straight line 30” long and measure the time it takes. Results: Pass/Fail. (fine tune the motor speed until desired speed) Shapes-Code Test Goal: Draw simple shapes (square, circle, triangle) Test: Test the code using the CNC Pen Plotter. Mark the location for each corner (change in direction) and figure out if the shape is drawn is correctly. Results: Pass/Fail (is the shape the correct shape or is it shaped differently)

Analysis Meets requirements Engineering Specifications: Plotter plotting at a speed of 3 in/s Can draw a line 40” long without deviating (bowing) by more than ½” Accuracy of line length within ¼” Plotting workspace 36” x 44”

Gantt Chart