Portfolio
Engineering Design portfolio
![overview photo of an automated ice spectrometer designed for scripps insitution of oceanography](https://jdewald.com/design/wp-content/uploads/2023/01/amt_square_l.jpg)
![overview photo of an automated ice spectrometer designed for scripps insitution of oceanography](https://jdewald.com/design/wp-content/uploads/2023/01/amt_square_l.jpg)
ice spectrometer
Heat transfer design and automation of a laboratory ice spectrometer
Click to see the paper!
![image of an led panel display installed on a large panel window](https://jdewald.com/design/wp-content/uploads/2023/01/ledWindow.png)
![image of an led panel display installed on a large panel window](https://jdewald.com/design/wp-content/uploads/2023/01/ledWindow.png)
large led panel display
designed and installed an interactive, transparent, led panel display for a large bay window.
read the paper!
![Design thinking instructor giving a lesson on brainstorming and mind mapping](https://jdewald.com/design/wp-content/uploads/2023/01/designThinking_square.jpg)
![Design thinking instructor giving a lesson on brainstorming and mind mapping](https://jdewald.com/design/wp-content/uploads/2023/01/designThinking_square.jpg)
Problem solving curriculum
Designed a problem solving and design thinking curriculim in partnership with UC San Diego and UCSD Extensions
watch the presentation
![photo of custom hot swappable bar end shifters](https://jdewald.com/design/wp-content/uploads/2022/03/20220323_124907_2176-scaled-e1648220498228.jpg)
![photo of custom hot swappable bar end shifters](https://jdewald.com/design/wp-content/uploads/2022/03/20220323_124907_2176-scaled-e1648220498228.jpg)
Bar-end shifters
Design a set of indexed bar-end shifters to be:
– lightweight;
– inexpensive;
– customizable (# of speeds);
– easy to assemble and install
Click to see write-up
![volgren optimus cockpit design](https://jdewald.com/design/wp-content/uploads/2022/01/optimus-dash-e1648507044735.jpg)
![volgren optimus cockpit design](https://jdewald.com/design/wp-content/uploads/2022/01/optimus-dash-e1648507044735.jpg)
redesign and manufacture city-route bus
work with a team of engineers and designers to completely redesign a city-route bus to maximize cost-savings by:
– focusing on DFM to prolong mold-life;
– greatly simplifying assembly with DFA methodologies;
– modernizing aesthetics and usability to promote widespread adoptions;
I was responsible for the cockpit and overhead extrusions
Click to see write-up
![close-up of electro-mechanical derailleur actuator](https://jdewald.com/design/wp-content/uploads/2023/01/20230117_182323_3218-scaled-e1674001594970.jpg)
![close-up of electro-mechanical derailleur actuator](https://jdewald.com/design/wp-content/uploads/2023/01/20230117_182323_3218-scaled-e1674001594970.jpg)
electronic derailleur actuator
Custom built electro-mechanical derailleur actuator with long battery life (3+ months) using a stepper motor and a zero-length spring balancer
Click to read the write-up!
![google calendar app for room reservations](https://jdewald.com/design/wp-content/uploads/2022/01/Screenshot-2022-01-23-204320-e1648506724662.png)
![google calendar app for room reservations](https://jdewald.com/design/wp-content/uploads/2022/01/Screenshot-2022-01-23-204320-e1648506724662.png)
Room reservation app
Design a JavaScript calendar app that is:
– easily integrated with google calendar events;
– able to display room reservations and allocations for up to any number of rooms;
– color similar events / hosts to easily identify resources;
click to see in action
![team photo of exhibit installation for interactive aquarium prototype](https://jdewald.com/design/wp-content/uploads/2023/01/new-birch-aquarium-exhibit_square.jpg)
![team photo of exhibit installation for interactive aquarium prototype](https://jdewald.com/design/wp-content/uploads/2023/01/new-birch-aquarium-exhibit_square.jpg)
museum exhibit
Lead a team of intern-designers to build a hands-on museum exhibit that:
– explores “Sounds Under the Sea” ;
– is “Active & Prolonged Engagement”;
– is ruggedized for daily use;
Click to see write-up
![photo of a makerspace including users and tools](https://jdewald.com/design/wp-content/uploads/2023/01/envisionTour_sq.jpg)
![photo of a makerspace including users and tools](https://jdewald.com/design/wp-content/uploads/2023/01/envisionTour_sq.jpg)
5,000 sq ft makerspace
Design a makerspace for a large university that is capable of:
– supporting 20+ hands-on classes;
– addressing the needs of 8,000+ engineering and arts students;
– existing on a diverse and faceted campus;
Click for more information:
![3d printing kiosk design in wxpython](https://jdewald.com/design/wp-content/uploads/2022/01/Screenshot-2022-01-23-202622-e1648506772159.png)
![3d printing kiosk design in wxpython](https://jdewald.com/design/wp-content/uploads/2022/01/Screenshot-2022-01-23-202622-e1648506772159.png)
machine management app
Develop a desktop app written in python and a gui in wxpython that can:
– allow / deny access to machines based on training and certifications;
– manage the length of prints;
– charge users based on amount of material used and time of print;
GITHUB Repository…
![Conceptual image of rotomold toilet -- rendereing by Alejandro Palandjoglou](https://jdewald.com/design/wp-content/uploads/2022/01/cam6-e1648506786850.jpg)
![Conceptual image of rotomold toilet -- rendereing by Alejandro Palandjoglou](https://jdewald.com/design/wp-content/uploads/2022/01/cam6-e1648506786850.jpg)
Ultra low cost sanitation
Design a mass-produced, low cost toilet that can:
– lower manufacturing and shipping costs (stackable);
– lower assembly costs (single piece);
– lower maintenance costs (non-porous material, eg plastic);
Read more…
![students using custom virutal reality headsets -- photo by students using custom virutal reality headsets -- photo by Katherine Connor](https://jdewald.com/design/wp-content/uploads/2022/01/DSC00917-e1648506799573.jpg)
![students using custom virutal reality headsets -- photo by students using custom virutal reality headsets -- photo by Katherine Connor](https://jdewald.com/design/wp-content/uploads/2022/01/DSC00917-e1648506799573.jpg)
museum exhibit
Lead a team of intern designer to build an interactive museum exhibit that:
– showcases virtual and augmented reality;
– is “Active Prolonged Engagement”;
– is ruggedized for daily use; ;
Click for more information:
![automate laptop kiosk](https://jdewald.com/design/wp-content/uploads/2022/01/190319-IMG_20190319_114031-scaled-e1648506827104.jpg)
![automate laptop kiosk](https://jdewald.com/design/wp-content/uploads/2022/01/190319-IMG_20190319_114031-scaled-e1648506827104.jpg)
Laptop kiosk
Custom designed laptop cabinet to automate laptop rentals by:
– designing a custom wiring harness to route power and logic to custom solenoids;
– designing accompanying software to provide access via rfid and magstripe IDs;
– integrating alarms to train user behavior;
![photo of a micro controller and an engineering curriculum](https://jdewald.com/design/wp-content/uploads/2023/01/eyw_cropped_sq.jpg)
![photo of a micro controller and an engineering curriculum](https://jdewald.com/design/wp-content/uploads/2023/01/eyw_cropped_sq.jpg)
high school engineering curriculum
developed a microcontroller curriculum for an NSF funded high school engineering course
see it in action!
Engineering Design Portfolio (in text)
An easy-to-parse list of engineering design examples