Ready player one Beta Laboratories It’s 2045. Everyday, you walk through rows of mobile home skyscapers, massive electronic garbage piles, and crowds of people to get to the small place you call home. But home is not where you sleep. Home is where you enter the OASIS. In this cargo van, rigged with various interfaces necessary to enter that virtual world, you have a large collection of electronic components for repair. Occasionally, you create your own devices to get an edge on your competitors. You have a special electronics kit, SPICE simulation package, and Diligent Analog Discovery Board to help you design and troubleshoot. After the untimely death of your hero, Haliday, the entire world is given the opportunity of a lifetime. You’ll need to conquer three challenges to gain control of the OASIS and with the help of friends, find something much more valuable than winning the game….. Figure 1: Ready Player One poster [1]
Transcript
Ready player one Beta Laboratories
It’s 2045. Everyday, you walk through rows of mobile home skyscapers, massive electronic garbage piles, and crowds of people to get to the small place you call home. But home is not where you sleep. Home is where you enter the OASIS. In this cargo van, rigged with various interfaces necessary to enter that virtual world, you have a large collection of electronic components for repair. Occasionally, you create your own devices to get an edge on your competitors. You have a special electronics kit, SPICE simulation package, and Diligent Analog Discovery Board to help you design and troubleshoot. After the untimely death of your hero, Haliday, the entire world is given the opportunity of a lifetime. You’ll need to conquer three challenges to gain control of the OASIS and with the help of friends, find something much more valuable than winning the game…..
Figure 1: Ready Player One poster [1]
You must complete the three stages by each deadline, September 26th (Copper Key Challenge: Design Stage 1), October 24th (Jade Key Challenge: Design Stage 2), and December 12th (Crystal Key Challenge: Design Stage 3). On these days, every Beta Squad team will demonstrate their progress and the circuit that works best will be showcased and awarded (bragging rights). A discussion board (Piazza) for all Beta Squad teams will be available for collaborative discussion about the project. NEW: During lecture High Five Minute sessions will be encouraged to emphasize practical understanding of Circuits so top-down design based knowledge and bottom-up knowledge can be shared. The High Five team is a super group of an Alpha Lab team and a Beta Lab team.
Only Beta Squad teams have the opportunity to drop your final exam! To be eligible you must: 1) Meet each deadline with a working circuit, meeting all design requirements, signed off by a TA. 2) Submit each report and include the extra credit which characterizes system parameters such as part count, total cost, and total power consumption. 3) Receive no more than one 5 grade the entire semester including report writing stipulations which include: Introduction (Design Stage n’s relationship to course topics i.e. opamps, voltage dividers, AC frequency response etc.), Design Plan (block diagrams and discussion), Implementation (preliminary circuit schematics), Analysis (comparison among analytical-simulation-experiment), Conclusions (discussion of failures, adjustments to original design and future work), References (IEEE style). Screen shots of PSpice and the Discovery Board are required throughout. Also pictures of your final circuit are required. Videos will also be accepted.
Design Stage 1: Copper KeyΔΟΧ, YBAX Unit I concepts
Your DeLorean is at the starting line ready to race on a treacherous, shapeshifting, boss-enemy ending track toward the finish line and the coveted copper key. In a race like this, the precision of a manual transmission is absolutely necessary. Though you have a fancy, virtually interactive glove, the muscle memory from many hours playing classic car racing games leads to creating your own handheld controller with “old-school” buttons to gain a competitive edge. Using 4 push buttons and at least one trigger button for acceleration/braking, duplicate the controls for the “Need for Speed Payback” for Playstation 4 or “Forza Motorsport 7” for Xbox One. If no buttons are pushed, a red LED should be and remain on. As each individual button on the face of the controller (i.e. ΔΟΧ, YBAX) LED is pushed, corresponding LEDs should light up and the RED LED should be off. Finally, when a trigger button is pushed WITH a controller face button at the same time, a completely different LED should turn on and the RED LED should be off. Extra Credit (Additional 5 points): Joystick/steering wheel…use a potentiometer and a series of LEDs to show turns when steering left and right.
Need for Speed Manual: https://eaassets-a.akamaihd.net/eahelp/manuals/nfspayback-manuals_ps4_EN-US.pdf Forza Manual: http://www.gamesdatabase.org/Media/SYSTEM/Microsoft_Xbox/Manual/formated/Forza_Motorsport_-_Microsoft_Game_Studios.pdf
Deadline: Wednesday, September 26th, 2018The circuit must be demonstrated in class on this date. Your write up must be submitted. It will be graded based on your progress to this date. Optimizations will be permitted after the deadline.
Design blocks
Primary Components in Storage
At least 5 Push button switchesResistorsPotentiometerTL072CP (also -CN) op-amp chipLight emitting diodes (LEDs)
Component 1: ON-OFF to “Usable and Differentiable” Voltage ConversionBackground: Lab 1 (PSpice Introduction), Lab 2 (Discovery Board Introduction), Lab 3 (Thevenin Circuits), Lab 4 (Op Amp Circuits)
1. Start with JUST the 4 face controller inputs (i.e. choose ΔΟΧ or YBAX) (it is slightly easier). What is the black box below (it can be found in your lectures from Unit 1)?
a. Design the Black Box analytically (with handwritten calculations) to determine how the gain can be used to differentiate button push and button combinations with real electrical
components. There are two names for the black box, one is very general (and found in Circuits) and one for a specific application (found elsewhere). What are they?
b. Simulate the Circuit you designed using LT Spice or PSpice. Include (model) switching of each input using a pulse generator (as a replacement).
a. Describe how you would could stagger the input pulses so you could go through every possible input combination for all four inputs ___ ___ ___ ___? What is this called?
b. Look up the actual controls for game/game console you choose for this experiment to determine which of the combinations would be logically used. (i.e. you won’t likely brake and accelerate at the same time. But you would “shift up” and “accelerate”, or “shift down” and “brake”. Write those combinations down in a table with input values and output voltage. Show these simulation plots.
c. Verify your design experimentally using appropriate components and values. Compare your experimental results with analytical work and simulation (show relevant plots and use tables to summarize).
a. Did you have any trouble finding components for 4 inputs? 5 inputs? 6 inputs? Why or why not? Address scalability with this design.
b. For increasing number of inputs would you consider a higher input voltage (than 5V) for the switches? Why?
2. Add the trigger(s) to the face controller inputs (creating 5 or 6 inputs in total). Alter your design (simplify it) to alleviate problems like scalability, availability of components. What is this circuit called?
a. Analytically calculate values in this new simplified circuit using Thevenin analysis with each input.
i. Describe how Thevenin analysis is like going backwards in thought? (Like in Ready Player One, sometimes going backwards is very useful!!!)
b. Compare the simulation and experimental data (include plots) of one or two input options from the previous section.
c. Do you need to amplify the output of this circuit? Why or why not?
Component 2: Comparator Circuits for Decisions and LED IndicatorsBackground: Lab 2 (Voltage Divider) and Lab 4 (Op Amp Circuits)
The comparator is a “decision maker” op amp that outputs either a very high voltage (+saturation) or very low voltage (-saturation) depending on how the input signals compare to one another. These op amps work in open-loop mode with no feedback circuits connecting the output and input terminals. The comparator must have a range of values that correspond for the appropriate voltages for certain button combinations.
Consider the circuit design and results from Component 1 and modify values to correspond with this range. You must use at least voltage dividers, comparators, one LED for each input, and additional LEDs for button push combinations. (You can decide how many combinations to demonstrate)
1. Complete the analytical design, simulation, and experiment for the Comparator and LED indicator Circuit.
2. Include you must include for each step:a. Design schematic(s)b. Preliminary analytical calculations c. Simulations that confirm calculations and/or prompt design changesd. Experimental measurements from built circuit
3. Questions to answer in your write up:a. Comparator(s): How did you make a comparator with both an upper and lower limit? Be
sure to describe the answer to this question with simulation of just this component for values you need from Component 1.
b. Light Emitting Diode (LED): Discuss the (I-V) current voltage characteristic of and light emitting diode. Compare it to the I-V of a resistor. Find the voltage and current range that will turn the LEDs. How do you ensure that the correct current is supplied to the LED?
c. Modifications: After creating Component 1 of this lab, did you need to alter the button’s arrangement according to the probability certain combinations would be used? If so, why did you?
Extra Credit: Steering Wheel-Joystick1. Design a Steering Wheel or Joystick that lights a row of LEDs based on the degree the
potentiometer turnsa. Discuss how you determined the resolution and/or number of LEDs.b. Compare simulation and experimental plots.
Integration and DemonstrationIntegrate all components. Include a photograph of the entire circuit. Show the final Gaming Controller to a graduate TA and have them sign and confirm with a signature (below) that they have seen it work! Include the signed page in the report.
ConclusionsDiscuss the main concepts learned. Also highlight any challenges, failures, and/or alterations to the design for future work. Excellent analysis of failures is as valuable, if not more valuable, than immediate successes. So, do not by shy about investigating why a component did not work as expected in the allotted time
John Doe: 40% All Simulations, Analytical for Design Block 1, 2 Write up: Analytical, Integration, Conclusions Write up
Jane Doe: 60% All Measurements, Analytical for Design Block 3, Write up: Background, Design Plan
Ulysses Doe: 0% He did absolutely nothing, please request for him to move to Alpha Labs
Extra Credit: System Parameters Create a chart of your final design parameters that includes part count, price, and total power consumption. Include references to confirm these parameters. This is required to be eligible to skip the final.
References[1] A. Leadbeater. (2018, April 16, 2018). Does Ready Player One have an End-Credits Scene?
