Today (Friday, 10/10) we will have a lab covering our electrical engineering knowledge covered up to this point, with the goal being to enhance our theoretical understanding for practical applications as well as to discover a new principle of voltage division. To be successful in this lab, you should have an understanding of ohm's law (Monday), series and parallel circuits (Tuesday/Wednesday) and how to use a breadboard (Wednesday). If you were comfortable with all these, then this lab should be a breeze for you, and if not than brush up on your knowledge by reading the introduction to the lab linked below.
Lab PDF: labvoltagedivision.docx This lab can be done in groups of 3 and will count as a summative grade weighted at 50 points.
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Today we are going to move off the paper and into the real world as we build circuits we've learned about. We will be doing these in two ways: on a breadboard and by soldering them together.
Here are the notes I'm going to go over at the start of class to explain how to breadboard and solder: ee_circuitbuilding.pdf Today we're going to look at the building block of most circuits: Series and Parallel circuits. The notes are linked below, but I recommend taking notes of this today as it is a little more math and theory heavy than most of what we're used to in this course.
Notes: ee_seriesparallel.pdf EDIT: I had an error in these notes, in a parallel circuit the currents are added (the notes are fixed now) worksheet: seriesparallelwksht.pdf We're starting the Electrical Engineering unit today! As a fair warning, this unit will be a little more content heavy as far as instructional material as electronics is often less intuitive than other engineering fields such as mechanics (people have a basic understanding of movement as we can see it but not of electricity as it's invisible). Big picture, this unit is going to encompass analog and digital electronics, and today we are going to have an intro into the analog side of engineering as well as learning about ohm's law!
notes: ee_intro.pdf worksheet to complete today: ohms_law_worksheet_simple.pdf As a final act in our Mechanical Engineering unit we will be reviewing some basic material sciences. Additionally as time permits, we will continue learning how to weld in small groups.
Resources
We will be finishing the Mechanical Engineering unit up tomorrow. To do this, I want to wrap up a few key takeaways that I wanted to make sure we specifically addressed from our SolidWorks week today (and then to briefly discuss material sciences tomorrow).
Agenda for today:
Welcome back from the break! I don't want us to over-exert ourselves here coming back from the break, so let's plan on this schedule
Rules
Turn-in links
Now that we are all experts in SolidWorks and simple machines we are going to begin a more hands-on project in Mechanical Engineering: Building mousetrap powered cars! Today you will either begin the design portion of this project or to finish any significant missing assignments you have before the end of the 6 weeks (in case you somehow missed the daily and constant discussions on this, the grades are due at the end of class today). Mousetrap Powered Car Competition
Just as on Monday/Tuesday, we will be splitting into two groups. One group will continue in SolidWorks and the other will complete a worksheet over orthographic views. See below for details.
PSA: grades are due this Friday! I will be giving you a little piece of paper identifying your missing grades and grades needing remediation. Get these taken care of by tomorrow (Thursday) so I have time to get them taken care of before Friday. Do not expect to give me something on Friday and have me get it corrected by when I have to turn them in at 3:45. SolidWorks Lessons The next SolidWorks tutorials (three more) are built in to the SolidWorks software. To find them:
Checkoff #2: Show me lesson two completed (receives a 100%) Orthographic Views OThe goal of this is to become familiar with the difference between two different types of 3D drawings: isometric (kindof like the traditional 3D drawings you are used to) and orthographic (where a 3D object is represented in a front, side, and top 2D projection)
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