• Logic circuits from last week's exercise class are posted in last week's section

• ToDos

  • Login to EdStem and introduce yourself if you haven't already

  • Complete the kickoff questionnaire from last class

  • By Wed 9/16 at 1:30pm: complete Page: Homework 1: Boolean Logic & Circuits and submit via Gradescope

Building Logic Gates

• Form pairs (one group of three)

• Collect a lego kit and one of the reference logic gates

• Use the reference and without disassembling it, try to re-create the reference from your kit

• Once your group finishes one of the references, return it and swap for another to build

• Once your group builds all of the basic gates (AND, OR, NOT), verify them by creating truth tables for each

If you prefer to use a step by step guide or get stuck, guides for each of the gates are linked here

AND Gate Instructions

OR Gate Instructions

NOT Gate Instructions

Dual NOT Gate Instructions

Creating Complex Logic

Now that you have a set of basic logic gates, join with another group and try these tasks!

• Link your gates together and see how long of a chain you can make and discuss the following questions:

  • What seems to be the limiting factor(s) for linking your logic gates?

  • If given more time/resources how would your group overcome these factors?
    
    

• Create the widest set of logic gates that form down to a single output (many inputs -> one output)

  • What was the limiting factor when creating the widest set of inputs?

  • If given more time/resources how would your group overcome these factors?
    
    

• Can you create the logic circuit shown at the start of the lab?

  • What challenges/successes did you have when trying to replicate the logic from above?

Login to OnShape with the credentials listed below for your group:

Each member of your group should follow the set of instructions shown below and design a keychain to print.

3D Printing Resources:

Fimbel 3D Printing Starter Guide