university

health-E

Product Design

health-E product

Overview

health-E was the outcome of my final year Personal Honours Project. The brief for the project was to “Explore a user driven insight that is of interest to you, carry out a detailed research package with the potential to re-define or improve such an issue with the intention of creating a meaningful and considered product or service.”

Worked with: Personal project
Tools used: Fusion 360, Solidworks, Keyshot, Adobe Photoshop, Adobe Illustrator, Adobe InDesign, Azure, 3D printer, Raspberry Pi

Background

Health is one of the most important, if not the most important issues facing the UK population today. As part of my research, I have spent many hours looking into what is being done to encourage people to eat healthily and avoid serious disease as they get older. One of the main initiatives is the traffic light labelling system. However, it is certainly not perfect.

In fact, more than half of UK consumers think the nutritional information on food and drink packaging is hard for the average shopper to understand, and the same amount say they’d pay more attention to what’s in the products they buy if it was simpler. These are just two of the findings from a major and unique research study from The Chartered Institute of Marketing.

More than 2,000 UK consumers were surveyed about their attitudes towards healthy eating, food labelling and brand trust. The results clearly show that consumers want help – not just more information, but better information that’s clear, unambiguous, easy to understand and that gives them confidence in what they’re buying.

One of the biggest problems with the current Traffic Light, Front of Pack (FOP) labelling system is that it confuses shoppers in the way it shows the values of the nutrients that are present in the food product.

The simplistic character of the traffic light system might in certain instances create a misconception by the consumer.

The Red, Amber and Green swatches are relative to 100g of food and 100ml of drink.

The 100 gram/ml figure is arbitrary and misleading as rarely the portion size that a person eats is exactly that. It could be much higher or much lower. A system based on the portion size therefore in my opinion would be much more helpful.

Also the values that the ingredients are measured against are the “Required Intake” of an average adult – the values in fact are based on “an average woman”.

I believe that using a product like health-E can help to make understanding what food is really bad for you and which looks bad just at first glance.

health-E is a handheld device that alerts adults and children which foods are healthy simply by scanning the items barcode. The nutritional information of the food is displayed on the screen with a simple traffic light system. It is unique as the user selects their age group and gender and the information is then specific to them.

“consumers want help – not just more information, but better information that’s clear, unambiguous, easy to understand and that gives them confidence in what they’re buying.”

Process

01. Form sketches
health-E product development sketches
The overall form and shape was going to be important as this product will be used by children and adults so needs to be very user-friendly.
02. Form development
health-E product development sketches
To boost children’s attention span with it, gamifying it could be an option to make it more enjoyable and similar to a games console controller.
03. Attachment & structure
health-E product development sketches
Since this product will primarily be used in a supermarket, it needs to be easy to hold and easy to attach to a trolley.
04. Foam Prototyping
health-E product development
To get an idea of how the form fits in your hands, I created blue foam prototypes based on my initial sketches.
05. Handle or not
health-E product development
A big decision was whether the device should have a handle or just be all contained in the body of the product.
06. Assembly
health-E product development
I had several iterations of how the product would be assembled and fit the technology: this example shows the product having two shells.
07. User testing
health-E product research
User testing was one of the most important factors to the design and in this case, my primary user group would be children.
08. Barcode scanner
health-E product research
Since I was relying on my product using a barcode scanner, I wanted to know how it would be interacted with. Even with a rough foam prototype I was able to test this.
09. Form testing
health-E product research
During this user testing session I wanted to see the engagement with different prototypes to evaluate which one gave the best user experience.
10. The brains
health-E product
At the heart of the product would be a Raspberry Pi – an ultra customisable mini pc that could run html code.
11. Screen time
health-E product
The device needed a screen to operate it so I sourced a 5 inch touchscreen that was powered through HDMI.
12. Fitting the tech
health-E product
The hardest challenge was keeping the overall size of the device down with the restrictions I had with sourced technology. This was the biggest controller of the final product size.
13. CAD work
health-E product
Once I had the technology to a stage where it was all working, I began creating a 3D model which would later be 3D printed.
14. Details details details
health-E product
The details of the model had to be precise to make sure everything fitted into the small body of the product including working out holes for screw fittings.
15. Fully fledged model
health-E product
Alongside the process of creating the separate components, I made sure that they all fitted together in an assembly model.
16. 3D Printing
health-E product
3D printing was a major process in the development of the finished product. I purchased my own to be able to prototype 24/7.
17. Settings were crucial
health-E product
Getting the settings right when 3D printing on a cheaper printer can be difficult as there are so many variables. Getting this right took many attempts.
18. Successful measurements
health-E product
With the accuracy of 3D printers, I had to make sure that my measurements of the technology were spot on to ensure it all fitted snugly.
19. Components
health-E product
After much prototyping, I finally had a set of components that fitted together and housed all the technology in the smallest body possible.
20. Technical drawings
health-E product manufacture drawing
Having a 3D CAD model allowed me to create technical drawings which could be used in the development of this product being manufactured on a larger scale.
21. Assembly capabilities
health-E product manufacture drawing
Using 3D software allowed me to assess where components overlapped and how the product would fit into the stand that I modelled.
22. App development
health-E app screenshots
As this was a working prototype, I developed the app that would be run on the Raspberry Pi. These are initial wireframes showing process and flow.
23. Working buttons
health-E app screenshots
Getting the size of the buttons on the touchscreen right would be key to the practicality and usage of the product.
24. Home Screen
health-E app screenshot
I developed a home screen that had preset users that could be accessed quickly for each family member. This could lead to potentially having a log of all the food items that person had scanned.

Product images

2021 reflection

Looking back on the outcome of the project 6 years ago, I am pleased with the level of detail I was able to achieve. I think making a prototype that was fully working, to scan barcodes and present data based on that, is something to be proud of.

If I was to revisit the project now, I would probably go down the route of an app, rather than a physical product. Children these days are using their parent's smartphones at a much earlier age and the initial startup costs would be less, assuming this was going into production.