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Design Process of Anti-theft device

Design Process of Anti-theft device. Group 1: Adrian Burke, Michael Pellegrini , Daniel Linderman , Colin Palmer, Markell Jones-Francis . Step:1 Come up with a rational Plan. As a group at first we were a little confused on what we needed to do in order to accomplish the task at hand

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Design Process of Anti-theft device

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  1. Design Process of Anti-theft device Group 1: Adrian Burke, Michael Pellegrini, Daniel Linderman, Colin Palmer, Markell Jones-Francis

  2. Step:1Come up with a rational Plan • As a group at first we were a little confused on what we needed to do in order to accomplish the task at hand • The Task: Our task was to come up with a circuit to get an Anti-Theft device to properly function, in doing this we had to have green LED that stayed active whenever there was no disruption of the heat sensor touch sensor, or sound, then we had to somehow circuit a yellow LED that would turn on once another light was activated, then afterwards we had to circuit a red LED and an alarm buzzer so that when all three LED’s the green, yellow, and red were activated the alarm would sound.

  3. Step 2:Design plan • In order for our design we had to use Boolean Algebra, and translated the Boolean Algebra into logic gates, we did this for each part of our task the Yellow LED, Green LED, Red LED, and the Alarm. • Green LED: A’ B’ C’ • Yellow LED: A’ B’ C + A’ B C’ + A B’ C’ • Red LED: A’ B C + A B’ C + A B C’ • Alarm Circuit: A B C • In order to reduce the complexity of the system we combined like components of the circuit, i.e. the AB AND gate from the Red LED was replaced by the AB AND gate from the alarm circuit

  4. Step 3:Truth Table

  5. Design plan

  6. Step 4:Simulation • During simulation we first wanted to make sure that the designs that we were using were correct, and if we were missing anything that would make the circuits work, and also to make sure that we didn’t blow out any LED’s, AND gates, and OR gates. • Simulation at first conveyed to our group that we had few minor problems in our design and that we had to go back fix our equations, and then simulate once again. • After final testing we assessed all problems that occurred during simulation and were able to finalize our design and move onto building the actual circuit for the alarm system.

  7. Step 5:Building The circuit • For the first class when we actually started to build the circuit we had nothing working at all, we had no clue what we were doing, and we were going to get our simulation to work on the actual circuit board. • That same day we were enlightened more in depth by Naranjhanon how Boolean algebra corresponds with the actual circuitry of the alarm system. • After we solved the problems we encountered, then we moved on to building the alarm system and the lights that it was composed of. • Then we linked the circuits, which brought about the challenge of linking them properly.

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