Noah Ahn - Hello Post
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Hi! I'm Noah Ahn. An engineering strength I have is working on long term projects and slowly achieving short term goals. A weakness I have is getting started on projects and being dedicated enough to set aside time in the first place. I want to commit to immediate, consistent documentation. I also wish to commit to organized photos and finally, I will commit to helping others make and improve their documentation.
These are the three designs. We ended up choosing the dinosaur on the left since there's a lot of potential to add lights and further details that would make it a unique board.
These were our final circuit board designs. I ran 6 LEDs in parallel for the circuitry section, and we chose a dinosaur for the solid board design, with lights on the eyes and spikes. I'm excited to see how the final design is going to turn out as I feel like there's a lot of possibility for error, but I really like how the dinosaur turned out.
For my favorite designs, I have 5 really rought draft ideas on the bottom section. However, I'm a lot happier with the top designs, including the building diorama, the futuristic device and the megaphone. I feel like they all have opportunities to incorporate speaker elements while looking alright.Â
As I was trying to go for a chip design, some of the feedback was very useful- notably how that could be made and if internal storage would be required. In addition, I'm excited to try making a furutistic design and appreciate all of the feedback.
Detailed design drawing:
This is my higher detail drawing for my speaker project. I think that this design will present some challenges, particularly in the industrial shapes, but I feel like it's an achievable project to make look decent. I'm going to challenge my current skillset by trying and making the speaker look like a blend of retro technology as well as a futuristic take. I believe that the speaker is a fundamentally simple design but it leaves many opportunities to add some high quality details.
80% complete 3D model.
Cyberpunk industrial speaker design
For my design, I constructed a semi-futuristic spaker themed around the neo-noir cyberpunk feel. I incorporated primarily angular shapes, cooling vents and other industrial features to make the speaker seem mass-produced. I decided to have a chip which plugs into the main area of the speaker that can turn it on and off. I tried to naturally incorporate the knob and the speakers, and I wanted the have a small pixel screen taking up the center of the design. Some further details would be adding an antenna or other greebles on the top, maybe adding some cosmetic knobs or lighting, and seeing how I would paint the design after I'm done.
Cardboard Prototype
For my cardboard prototype, I used both hand cut pieces of cardboard for the main body of the device while opting to use a lasercutter for the two curved sides. My idea is the same as the 3D model, however I needed to redesign most of the box specifically for lasercutting as the model was too detailed and in the wrong format. From my prototype, I learned that my screen was much larger than expected and the main housing of the speaker will need to be adjusted. Additionally, I learned that the entire speaker is actually quite large. This is okay, but my design will need some significant modifications to scale properly.
Circuit Board Design:
This is the (untested but completed) amp circuit for my Bluetooth speakers. Now that I've prototyped it, I understand the significance of the various resistors in the design and why so many are needed in order to control the current that's leading through the circuit. The one part that is still a complete mystery to me is how the red output module works and why it only needs five pin-outs. Now, I know they're needed for left/right ears, GND, mute and power. Additionally, some speakers use left+,left-,right- and right+ instead of dedicating one pin to V.
Collaborative PCB Project
For the collaborative PCB project, I worked with Lily in order to design and assemble a small dinosaur. The project was fun to issue and I feel like we were really able to capture the details in the model although it was very simple. My favorite part of this project was getting to learn how to use fusion and digitally assemble all of the lights before we even started building. A challenge I faced throughout the project was accidentally melting the board connections and needing to start over. It happened twice and the second time I needed to quickly repair the board with wire.
PCB design and schematic:
I worked with Maxxy in order to design and make our PCB design. I learned about how Fusion works and how versatile the software is. I thought it was neat how simple the interface is and how you can switch between the schematic mode and board mode without too many problems.
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