Rajiv Natesan

Strength

I am able to work with Rhino relatively well

Area for Growth

I am not great at drawing or prototyping

Commitments

I will stay up to date on my documentation.
I will remember to take many photos throughout the project.
I will have in-depth explanations of each part of the design and build process.

PCB Design Idea Sketches

This is an image of a dog with cat like ears which is what we agreed on as our idea. This seems like it may be hard to turn into a board due to the ammount of details but it is an idea.

This is my second ideation sketch with a more simple design in order to make this possible to make and have the details come out.

I learned how to properly connect a parallel circuit and transfer that knowledge into eagle.

I learned how to auto wire and do some partial manual wiring.

10 Amplifier Ideation Sketches

Phase 2 Design Drawings

The reason I chose this design is that my dad wanted a speaker for the electronic drum set he bought so I am making a drum-inspired speaker to go along with the electronic drum kit. I also chose this design because it seems to be relatively simple yet can also turn out to be very cool. Previously in shop classes, I have chosen to do overly complex designs which I am often either unable to finish or they don't come out as clean as I would have liked. So in this class, I want to create a clean design that I am sure I am able to complete.

Model Enclosure Design

This is my design for my drum speaker. When it is cut out the 8 peices will be cut with the miter saw and then joined to create this octagon. Once I join them the octogon along with the speakers and LED will go in and then have a cloth stretched over the top of that. The final step will be to cut and put the back which will be made of acrylic and have holes for charging, volume, tone knob, etc.

Cardboard Prototype

This is my prototype design of my speaker that will look like a drum. This design proves that my idea will work although it is not perfectly accurate. The project would be more accurate if not for human error because I measured approximately 1/16th of an inch off for each of the 8 tiles which put the whole project off. In my design I have adjusted for the possible flaws that may occur during printing through leaving room to make possible edits and it is always possible to make everything a little bit smaller if needed due to a mistake.

BreadBoard Speaker Prototype

Python Challenge

Tanish and I attempted to create a system that would find 10 random numbers and then sort out all of the numbers that were not between 40 and 60. We got the 10 random numbers, but after multiple attempts of different strategies, could not figure out how to make it sort out the ones in a range.

Coding Challenge 2

Tanish and I made the light go around in a ring then turn of when it comes back. The way around the first time it flashes 2 colors then lands on pink. On the way around the second time the lights flash red then turn off. This pattern repeats indefinitely.

PCB Design

I was partnered with Nia and this is our PCB schematic and board design in which all of the wires are connected the same way in which they were on the breadboard. Now when the board is printed we will be able to solder our breadboard parts onto the PCB board.

Microcontroller Code

Atticus and I wrote this code for the microcontroller and in the end, it did not do what we wanted. We tried to get it to do 4 quadrants with different colors but we did not quite get there in class. If we had more time we definitely would have made it, but this code now does not do that. It still only flashes colors up and then flashes to one color. I also did not get a picture of my microcontroller in action.

Microcontroller Code pt. 2

https://gist.github.com/QuincyLee2025/287270381341ff3a51f941672b5c247b

Quincy and I made this code that flashed lyrics to the Kung Foo Panda song as well as displayed a picture of Po.

Digital Project

For my digital project, I intend to use the circle playground of lights and the only things it would use are the lights. When the speaker is on I want the light to light up in colors that slowly change in a rainbow pattern. This signifies that the speaker is on and it looks cool because it will go in the center or the "drum".

Amplifier Pre-Solder

Nia and I did not have much time to change the design but we did get all the wiring done.

Amplifier Post-Solder

Enclosure Progress Update

In order to finish my design before the end of the semester I need to take the pieces that I have cut out and assemble everything together. The next step in my process is to sand the octagon and then assemble it with the acrylic.

Final Presentation

This semester I am overall most proud of my soldering. I do not like the work that I did on my design just because it has some errors that I did not predict, but I am proud of how my electric work and soldering came out. If I could do this project over I would have cut my wood correctly and so it would all form together nicely. A lesson I have learned from this class is to make sure everything in the original measurments is 100% accurate so that the rest of your project isn't messed up. Don't skip the easy stuff!

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