BuSafe

BuSafe

An IoT Device for

Elderly to Travel

An IoT Device for

Elderly to Travel

Provide seniors with smooth transportation experience and enhance their motivation to go out

Provide seniors with smooth transportation experience and enhance their motivation to go out

BuSafe

An IoT Device for

Elderly to Travel

Provide seniors with smooth transportation experience and enhance their motivation to go out

My Role

My Role

My Role

Project Leader

User Researcher

Prototype Designer

Project Leader

User Researcher

Prototype Designer

Project Leader

User Researcher

Prototype Designer

Teammates

Teammates

Teammates

JiaWen Yang - Visual Designer

TzuYun Sheng, WeiTIng Chen - Researcher

BoYue Lian - Accounting

JiaWen Yang - Visual Designer

TzuYun Sheng, WeiTIng Chen - Researcher

BoYue Lian - Accounting

JiaWen Yang - Visual Designer

TzuYun Sheng, WeiTIng Chen - Researcher

BoYue Lian - Accounting

Client

Client

Client

Stanford Center on Longevity Design Challenge

Stanford Center on Longevity Design Challenge

Stanford Center on Longevity Design Challenge

Design Tool

Design Tool

Design Tool

Figma, Arduino,

3D printing

Figma, Arduino,

3D printing

Figma, Arduino,

3D printing

Timeline

Timeline

Timeline

Aug 2021 - Dec 2021

(4 months)

Aug 2021 - Dec 2021

(4 months)

Aug 2021 - Dec 2021

(4 months)

Accomplishment

Accomplishment

Accomplishment

Hardware & Software Device

Hardware & Software Device

✔ Hardware & Software Device

The project developed a prototype combined with senior-friendly mobile application and lanyard hardware. Attempting to using IoT technique to solve elderly bus transportation problem.

The project developed a prototype combined with senior-friendly mobile application and lanyard hardware. Attempting to using IoT technique to solve elderly bus transportation problem.

The project developed a prototype combined with senior-friendly mobile application and lanyard hardware. Attempting to using IoT technique to solve elderly bus transportation problem.

This device is proved can achieve...

This device is proved can achieve...

Reduce bus anxiety

Reduce bus anxiety

33%

33%

Raise the overall

bus trip comfort

Raise the overall

bus trip comfort

30%

30%

Encourage elderly’s travel willingness

Encourage elderly’s travel willingness

23%

23%

Award-Wining Recognition

  • Selected as one among 20 teams to represent Asia final-round contest.

  • Got $1000 USD funding to conduct usability testing and continue refining the prototype.

Design Challenge

Design Challenge

Design Challenge

Over 80% elderly have experienced uncomfortable during bus trip, including feeling nervous and getting hurt, which reduce their willingness to go out.

Over 80% elderly have experienced uncomfortable during bus trip, including feeling nervous and getting hurt, which reduce their willingness to go out.

Over 80% elderly have experienced uncomfortable during bus trip, including feeling nervous and getting hurt, which reduce their willingness to go out.

01 Empathize 🔎

How to understand health-aging elderly?

How to understand health-aging elderly?

How to understand health-aging elderly?

8

8

-hour bus stop observations

-hour bus stop observations

Observed health-aging elderly during public transportation, recorded their behaviors and difficulties in journey

Observed health-aging elderly during public transportation, recorded their behaviors and difficulties in journey

Observed health-aging elderly during public transportation, recorded their behaviors and difficulties in journey

7

7

7

in-depth interviews

in-depth interviews

82-year-old seniors in average were interviewed to deeply understand their experience of taking bus transportation

82-year-old seniors in average were interviewed to deeply understand their experience of taking bus transportation

82-year-old seniors in average were interviewed to deeply understand their experience of taking bus transportation

Interview process photo

Interview process photo

Findings Summary

Findings Summary

Findings Summary

01

01

Due to cost-effective consideration, bus is the main transportation method for the elderly to go out

Due to cost-effective consideration, bus is the main transportation method for the elderly to go out

Due to cost-effective consideration, bus is the main transportation method for the elderly to go out

02

02

Because of physical degeneration, the elderly usually has uncomfortable experience when taking the bus, such as falling down

Because of physical degeneration, the elderly usually has uncomfortable experience when taking the bus, such as falling down

Because of physical degeneration, the elderly usually has uncomfortable experience when taking the bus, such as falling down

03

03

Elderly have adaptive measures for a smoother bus trip (ex: Using umbrella to support walking, wearing lanyard to facilitate boarding)

Elderly have adaptive measures for a smoother bus trip (ex: Using umbrella to support walking, wearing lanyard to facilitate boarding)

Elderly have adaptive measures for a smoother bus trip (ex: Using umbrella to support walking, wearing lanyard to facilitate boarding)

02 Define 🎯

Analyzed the problems during the whole bus journey.

Analyzed the problems during the whole bus journey.

Analyzed the problems during the whole bus journey.

User Journey Map

User Journey Map

User Journey Map

Based on the above user research results, we located our problem on improving the experience of taking bus in the urban region

Based on the above user research results, we located our problem on improving the experience of taking bus in the urban region

Based on the above user research results, we located our problem on improving the experience of taking bus in the urban region

“I’m uncertain about when will the bus come”

“I’m so nervous to

miss the bus!”

Identify Pain Points

Identify Pain Points

Identify Pain Points

👵🏻

Mobile navigation

system is hard to use

Mobile navigation

system is hard to use

Seniors cannot using their cellphones while walking, and the navigation maps are often too small to see clearly.

Seniors cannot using their cellphones while walking, and the navigation maps are often too small to see clearly.

Seniors cannot using their cellphones while walking, and the navigation maps are often too small to see clearly.

😵‍💫

Unclear bus status

makes them feel anxious

Unclear bus status

makes them feel anxious

Bus status is inaccessible to the seniors independently, so they usually feel nervous about where their stop is.

Bus status is inaccessible to the seniors independently, so they usually feel nervous about where their stop is.

Bus status is inaccessible to the seniors independently, so they usually feel nervous about where their stop is.

⚠️

Slow mobility

increase risk for injury

Slow mobility

increase risk for injury

Elderly rush towards the bus stop for fear of missing it, which is easily to cause accidents frequently.

Elderly rush towards the bus stop for fear of missing it, which is easily to cause accidents frequently.

Elderly rush towards the bus stop for fear of missing it, which is easily to cause accidents frequently.

Problem Statement

Problem Statement

How might we enable the elderly to easily access bus status and reduce their anxiety and the risk of injury during journey, motivating their engagement in outdoor activities?

How might we enable the elderly to easily access bus status and reduce their anxiety and the risk of injury during journey, motivating their engagement in outdoor activities?

03 Ideation ✨

Some design principles before stepping into solution...

Some design principles before stepping into solution...

Some design principles before stepping into solution...

Crafting Intuitive Interaction

Crafting Intuitive Interaction

Crafting Intuitive Interaction

Ensure interactions are straightforward and familiar, using clear language and simple navigation to make technology easily approachable for the elderly.

Ensure interactions are straightforward and familiar, using clear language and simple navigation to make technology easily approachable for the elderly.

Ensure interactions are straightforward and familiar, using clear language and simple navigation to make technology easily approachable for the elderly.

Designing Accessible Interface

Designing Accessible Interface

Designing Accessible Interface

Focus on elderly-friendly designs to accommodate visual and physical limitations, incorporating voice commands for greater accessibility.

Focus on elderly-friendly designs to accommodate visual and physical limitations, incorporating voice commands for greater accessibility.

Focus on elderly-friendly designs to accommodate visual and physical limitations, incorporating voice commands for greater accessibility.

Being Relevant to Their Everyday Lives

Being Relevant to Their Everyday Lives

Being Relevant to Their Everyday Lives

Develop solutions that address the daily needs and activities of the elderly, enhancing their quality of life by fostering independence and engagement.

Develop solutions that address the daily needs and activities of the elderly, enhancing their quality of life by fostering independence and engagement.

Develop solutions that address the daily needs and activities of the elderly, enhancing their quality of life by fostering independence and engagement.

Design Concept

Design Concept

Design Concept

A transit card badge device, equipped with a voice interface and display, delivers navigation guidance and real-time bus information.

A transit card badge device, equipped with a voice interface and display, delivers navigation guidance and real-time bus information.

Lanyard

Screen

New user flow with the device will look like...

New user flow with the device will look like...

New user flow with the device will look like...

  1. Schedule a bus trip on the mobile app

  1. Schedule a bus trip on the mobile app

  • Easy trip scheduling with automated route planning.

  • Route customization based on physical needs and preferences for comfort.

  • Push notifications and device vibrations to remind users of preparing departure and carrying transit cards.

  • Easy trip scheduling with automated route planning.

  • Route customization based on physical needs and preferences for comfort.

  • Push notifications and device vibrations to remind users of preparing departure and carrying transit cards.

  1. Schedule a bus trip on the mobile app

  • Easy trip scheduling with automated route planning.

  • Route customization based on physical needs and preferences for comfort.

  • Push notifications and device vibrations to remind users of preparing departure and carrying transit cards.

  1. Connect app with badge and follow voice guidance

  1. Connect app with badge and follow voice guidance

  1. Connect app with badge and follow voice guidance

Provide voice navigation and arrow guidance, minimizing the need for map checks on a cellphone.

Provide voice navigation and arrow guidance, minimizing the need for map checks on a cellphone.

Keep going straight!

Keep going straight!

🔊

Keep going straight!

  1. Get real-time bus status information

  1. Get real-time bus status information

  1. Get real-time bus status information

  • Displays real-time bus information directly on the lanyard device.

  • Listen to the bus status by voice guidance instead of keep checking phone

  • Displays real-time bus information directly on the lanyard device.

  • Listen to the bus status by voice guidance instead of keep checking phone

  • Displays real-time bus information directly on the lanyard device.

  • Listen to the bus status by voice guidance instead of keep checking phone

  1. Be alerted by vibration when about to get on/off

  1. Be alerted by vibration when about to get on/off

  1. Be alerted by vibration when about to get on/off

Remind users when their bus status change, allowing time to prepare for boarding and get off the bus.

Remind users when their bus status change, allowing time to prepare for boarding and get off the bus.

Remind users when their bus status change, allowing time to prepare for boarding and get off the bus.

The bus is approaching!

The bus is approaching!

The bus is approaching!

Device with these features, the elderly can reduce their anxiety and increase smoothness.

Device with these features, the elderly can reduce their anxiety and increase smoothness.

Device with these features, the elderly can reduce their anxiety and increase smoothness.

Voice Guidance

Voice Guidance

Voice Guidance

Get navigation by voice without watching cellphone while walking

Get navigation by voice without watching cellphone while walking

Get navigation by voice without watching cellphone while walking

Clear Bus Status

Clear Bus Status

Clear Bus Status

Aware of real-time bus status to adjust their walking speed and mood

Aware of real-time bus status to adjust their walking speed and mood

Aware of real-time bus status to adjust their walking speed and mood

On/Off Reminder

On/Off Reminder

On/Off Reminder

Get alerted and be prepared when about to get on/off the bus

Get alerted and be prepared when about to get on/off the bus

Get alerted and be prepared when about to get on/off the bus

04 Prototype 🖌

04 Prototype 🖌

To fulfill this concept thoroughly, a badge hardware with mobile application was developed.

To fulfill this concept thoroughly, a badge hardware with mobile application was developed.

Efforts and technique to achieve this device including...

Efforts and technique to achieve this device including...

Hardware

Prototype

Hardware Prototype

Using Arduino to fulfill badge device functions (e.g. voice guidance, screen display) and 3D print the enclosure.

Using Arduino to fulfill badge device functions (e.g. voice guidance, screen display) and 3D print the enclosure.

Software Application Wireframe

Software Application Wireframe

Using Figma to create the interface wireframe, including the mobile app and badge screen display.

Using Figma to create the interface wireframe, including the mobile app and badge screen display.

Backend

Engineering

Backend Engineering

Utilizing GoogleMap API to get users’ location and calculate the overall transportation time.

Utilizing GoogleMap API to get users’ location and calculate the overall transportation time.

04 Prototype 🖌

To fulfill this concept thoroughly, a badge hardware with mobile application was developed.

Efforts and technique to achieve this device including...

Hardware Prototype

Using Arduino to fulfill badge device functions (e.g. voice guidance, screen display) and 3D print the enclosure.

Software Application Wireframe

Using Figma to create the interface wireframe, including the mobile app and badge screen display.

Backend Engineering

Utilizing GoogleMap API to get users’ location and calculate the overall transportation time.

05 User Testing 🛠

5 health-aging elderly were invited to user testing.

5 health-aging elderly were invited to user testing.

We accompanied the elderly participants along the way to ensure their safety but didn’t instruct them to use device functions to ensure the validity and reliability of the assessment.

We accompanied the elderly participants along the way to ensure their safety but didn’t instruct them to use device functions to ensure the validity and reliability of the assessment.

Follow device guidance and walk from home to bus stop

Follow device guidance and walk from home to bus stop

Check the bus status and arrival time through the badge

Check the bus status and arrival time through the badge

Board the bus via the vibration and voice alert from the device

Board the bus via the vibration and voice alert from the device

Insight for Improvements

Insight for Improvements

Doing Well

Doing Well

  • Arrow on the badge screen is a clear and intuitive affordance for route navigation.

  • The design of the transit card holder aligns well with their preferences.

  • Arrow on the badge screen is a clear and intuitive affordance for route navigation.

  • The design of the transit card holder aligns well with their preferences.

Places to be improved

Places to be improved

  • Text size are too small to read

  • The dark background color strains the eyes

  • Vibration reminder is easily to be unnoticed when wearing coat

  • One minute is insufficient to prepare to board the bus

  • Text size are too small to read

  • The dark background color strains the eyes

  • Vibration reminder is easily to be unnoticed when wearing coat

  • One minute is insufficient to prepare to board the bus

Based on the insights, 2 functions were adjusted

Based on the insights, 2 functions were adjusted

Before

After

  • Break down the schedule process on the mobile app into simple steps to guide the elderly in completing the settings independently.

  • Increase the legibility of the interface by enlarging the text size and adding supportive icons.

  • Break down the schedule process on the mobile app into simple steps to guide the elderly in completing the settings independently.

  • Increase the legibility of the interface by enlarging the text size and adding supportive icons.

Before

After

  • Move the reminder time forward, changing it from 1 minute before the bus arrives to 5 minutes before, allowing more time to prepare for boarding.

  • Reduce the color contrast of electronic screens, opting for softer colors to alleviate eye strain for the elderly.

  • Move the reminder time forward, changing it from 1 minute before the bus arrives to 5 minutes before, allowing more time to prepare for boarding.

  • Reduce the color contrast of electronic screens, opting for softer colors to alleviate eye strain for the elderly.

Besides these, quantitative metrics are also applied to evaluate the effectiveness of the device.

By comparing pre and post-use survey data, the device can achieve...

By comparing pre and post-use survey data, the device can achieve...

Anxiety Level

Anxiety Level

33%

decrease 7.5 → 5

(out of 10)

Bus Trip Comfort

Bus Trip Comfort

30%

increase 5 → 6.5

(out of 10)

Willingness to Travel

Willingness to Travel

23%

increase 6.5 → 7

(out of 10)

05 User Testing 🛠

5 health-aging elderly were invited to user testing.

We accompanied the elderly participants along the way to ensure their safety but didn’t instruct them to use device functions to ensure the validity and reliability of the assessment.

Follow device guidance and walk from home to bus stop

Check the bus status and arrival time through the badge

Board the bus via the vibration and voice alert from the device

Insight for Improvements

Doing Well

  • Arrow on the badge screen is a clear and intuitive affordance for route navigation.

  • The design of the transit card holder aligns well with their preferences.

Places to be improved

  • Text size are too small to read

  • The dark background color strains the eyes

  • Vibration reminder is easily to be unnoticed when wearing coat

  • One minute is insufficient to prepare to board the bus

Based on the insights, 2 functions were adjusted

Before

After

  • Break down the schedule process on the mobile app into simple steps to guide the elderly in completing the settings independently.

  • Increase the legibility of the interface by enlarging the text size and adding supportive icons.

Before

After

  • Move the reminder time forward, changing it from 1 minute before the bus arrives to 5 minutes before, allowing more time to prepare for boarding.

  • Reduce the color contrast of electronic screens, opting for softer colors to alleviate eye strain for the elderly.

Besides these, quantitative metrics are also applied to evaluate the effectiveness of the device.

By comparing pre and post-use survey data, the device can achieve...

Anxiety Level

33%

decrease 7.5 → 5

(out of 10)

Bus Trip Comfort

30%

increase 5 → 6.5

(out of 10)

Willingness to Travel

23%

increase 6.5 → 7

(out of 10)

06 Reflection 🧠

What I’ve learned in this project...

What I’ve learned in this project...

User Testing and Iterative Design

User Testing and Iterative Design

Even short 15-minute testing sessions gave us valuable insights from users' reactions, helping us refine the product in meaningful ways.

Even short 15-minute testing sessions gave us valuable insights from users' reactions, helping us refine the product in meaningful ways.

Storytelling and Presentation

Storytelling and Presentation

I learned that good storytelling and engaging slides are key to capturing the audience's attention, especially for those unfamiliar with our topic.

I learned that good storytelling and engaging slides are key to capturing the audience's attention, especially for those unfamiliar with our topic.

Project Timeline Management

Project Timeline Management

Despite unexpected schedule issues, we adapted by holding meetings and adjusting our plans, which taught me a lot about flexibility and leadership.

Despite unexpected schedule issues, we adapted by holding meetings and adjusting our plans, which taught me a lot about flexibility and leadership.

Financial Budget Planning

Financial Budget Planning

We made the most of our budget by carefully planning for participant recruitment and prototype purchases, and consulting costs, learning a lot about strategic spending along the way.

We made the most of our budget by carefully planning for participant recruitment and prototype purchases, and consulting costs, learning a lot about strategic spending along the way.

Huge thanks to my amazing teammates!

Huge thanks to my amazing teammates!

Appreciate the seamless collaborations and the mutual trust we shared with each other, making this journey truly outstanding!

Appreciate the seamless collaborations and the mutual trust we shared with each other, making this journey truly outstanding!

06 Reflection 🧠

Award-Wining Recognition

✔︎ Selected as one among 20 teams to represent Asia final-round contest.

✔︎ Got $1000 USD funding to conduct usability testing and continue refining the prototype.

What I’ve learned in this project...

User Testing and Iterative Design

Even short 15-minute testing sessions gave us valuable insights from users' reactions, helping us refine the product in meaningful ways.

Storytelling and Presentation

I learned that good storytelling and engaging slides are key to capturing the audience's attention, especially for those unfamiliar with our topic.

Project Timeline Management

Despite unexpected schedule issues, we adapted by holding meetings and adjusting our plans, which taught me a lot about flexibility and leadership.

Financial Budget Planning

We made the most of our budget by carefully planning for participant recruitment and prototype purchases, and consulting costs, learning a lot about strategic spending along the way.

Huge thanks to my amazing teammates!

Appreciate the seamless collaborations and the mutual trust we shared with each other, making this journey truly outstanding!

Let’s Get in touch!

Eager to uncover market opportunities and delivering state-of-the-art products with seamless, intuitive user experiences!

peisyuan0910@gmail.com

@ 2024 | Pei Syuan Chou

Let’s Get in touch!

Eager to uncover market opportunities and delivering state-of-the-art products with seamless, intuitive user experiences!

peisyuan0910@gmail.com

@ 2024 | Pei Syuan Chou

Let’s Get in touch!

Eager to uncover market opportunities and delivering state-of-the-art products with seamless, intuitive user experiences!

peisyuan0910@gmail.com

@ 2024 | Pei Syuan Chou

Let’s Get in touch!

Eager to uncover market opportunities and delivering state-of-the-art products with seamless, intuitive user experiences!

peisyuan0910@gmail.com

@ 2024 | Pei Syuan Chou