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Anti-Theft Device

Anti-Theft Device. Group 2 Will, Alex, Ken, Ryan and Savannah. Thinking Time. Planning and Process. We first devised our logic gates on a piece of paper as a rough draft. We checked this by running through 1’s and 0’s by hand and making sure that our outcomes were what we wanted.

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Anti-Theft Device

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  1. Anti-Theft Device Group 2 Will, Alex, Ken, Ryan and Savannah

  2. Thinking Time

  3. Planning and Process • We first devised our logic gates on a piece of paper as a rough draft. • We checked this by running through 1’s and 0’s by hand and making sure that our outcomes were what we wanted. • After these initial stages on paper we transferred our design into the simulator to test on the computer and to have a cleaner layout.

  4. Simulation Stage • After transferring our design from the paper rough draft to the Yenka circuit simulator we were able to clean up our design. • We eliminated a few logic gates that were not necessary, and were able to more thoroughly test the circuit. • The only restriction of the program is that we did not know how much voltage and current each part of the circuit would draw.

  5. Pin Placement Design • After we had completed our computer logic gate simulation we transferred the design to paper to display the pin placement. • During this step we realized how hectic the wire layout was going to be but made sure we had sketched everything out.

  6. Roles • Due to the small size of the circuit board only one or two of us could work on it at a time so we each had a specialized role. • Ken – Video/Photos and Web Design • Savannah – Power Point Presentation • Alex – wiring of circuit-board • Ryan – wiring of circuit-board and design consulting • Will – logic gate design, circuit board design

  7. The overall Success and the Challenges faced • Overall our groups device was successful. We were able to have each LED light up at the appropriate times , as well as end with our alarm sounding off. • The challenge we overcame was figuring out what was the reason the alarm would not sound off. • We ended up with a wire that was accidentally short circuiting the speaker assembly, so when that was removed the whole system worked perfectly.

  8. Project Improvement • If we had known more Boolean Algebra before we started, the logic gate design would have been easier. • Also the design of the XOR assembly would have been made easier by the knowledge of Boolean Algebra.

  9. Outlook for the Future • Knowing what we know now and experiencing the complexity of making the system, we know the importance of fully sketching out the circuit and testing it thoroughly. • Also, the role designation of each group member is important in order to get everything done on time, instead of wasting time sitting around.

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