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AboutTinkering
Teri Shim
태희
Tae · hee
Born name
KR
37.5°N · 126.9°E
RoleProduct Designer
Emailttshim@usc.edu
Lilinkedin.com/in/teri-shim
CVrésumé ↗
Based in Los Angeles
Oasis
Co-Founder, Product Designer
01 context
02 problem
03 research
04 solution
05 why now
06 key takeaways
Team
2 Engineers, 1 PM
Timeline
Spring 2025, 10 Weeks
Tools
Figma, FigJam
Oasis · In-Home Monitoring · Spring 2025

Co-Founding and Designing 0 to 1 an In-Home Monitoring System for Older Adults to Prevent Tragedies From Becoming Emergencies

01 — Context

Co-founder first, designer second.

Part of a 10-week startup incubator with 2 devs and a PM. We pitched every week, new idea, new slides, hundreds of user interviews and scrapped ideas. Super fun to be that scrappy and messy.

Oasis product overview

oasis — product overview

02 — Problem

What if they fall? What if they choke? What if, what if, what if…

Younger family members spend a lot of time worrying about older loved ones who live on their own. To monitor them, families have to watch 24/7, causing constant stress and anxiety.

Wearable devices get forgotten or left on the nightstand
Baby monitors require someone watching 24/7
Caregivers help, but take away the very independence older adults are trying to protect

So we designed a vision-based in-home monitoring system that can detect falls and other emergency situations, to help older adults maintain their autonomy while providing peace of mind for their loved ones.

competitive analysis

Oasis vs. existing solutions — on-device processing, privacy modes, fall detection, voice recognition, and safe zones.

03 — Research

Older adults want to maintain their autonomy and privacy, but that causes a lot of worries for families.

22+

User interviews

In English and Korean

Dancing With Grandpa

Dancing With Grandpa

57

Survey responses

Ages 18–65

40+

Secondary sources

Articles, reports, databases

47

Raw insights

Across 10 themes

Research insights — drag to explore

If I don't keep up, I'll deteriorate

Can't hear well, had to lean closer during the interview

still my life. still my choice.

Type I diabetes with a Bolus + insulin pump

Pointed to another woman talking to herself — fears ending up like her

Gets news from TV — doesn't search on his phone

Uses dictation to search because his fingers are too big to type

Hard to keep in contact with old friends

Didn't know about the center for a long time — awareness is a barrier

Never picked up English — doesn't know how she'd survive outside Ktown

Looks after her husband because his back is deteriorating

Adapted his passion — can't garden anymore but keeps flowers at home

Fear of deterioration is visceral — privacy and dignity are non-negotiable

I want to make my own life like my children did

Back hurts so badly he can't sit properly or get up off the floor

the phone is just... too hard

Needs glasses to use his phone

Keeps forgetting the rules of Kings in the Corner

Rarely uses his phone, only checks KakaoTalk

Can't update apps well or do ID verification

Feels lucky her daughters live close but hates to bother them

How do you pay rent with $2000 a month?!

Translation was painfully slow and embarrassing at the hospital

Reluctant to bother her daughters even when she needs help

Picked up painting as an older adult, never thought she could do it

Older adults resist change and dislike feeling surveilled or dependent

It's annoying — everything's fine as it is

Can't get up off the floor without help — had to give up gardening

if i stop moving, i'll deteriorate

The phone hurts his eyes — words too small

Most people have something they can't do physically or deal with mentally

Watches Netflix on TV, checks KakaoTalk but needs glasses

Can't live without her phone — always in her hand

Maintains only one old friend from college

WE have to find the programs — support is hard to navigate

Not Japanese enough in Japan, still an outsider in the US

Plays games 3-5x/week to keep his mind fresh

Many don't have phones or don't keep them close

The 'I don't want to bother them' sentiment — alerts must feel non-intrusive

Still works as a freelancer — independence isn't just emotional, it's financial

Has bronchial asthma, whooping cough, and nerve sensitivity

i don't want to bother them

Our bodies are starting to hurt because we're getting older

Has no computer or cellphone and doesn't want people disturbing him

Doesn't like using her phone — words too small

The senior center is a lifeline — visits for exercise, games, socializing

My friends are dying

Saves 5% of income specifically for acts of kindness

Leaves the center early daily to pick up grandchildren

Line dancing demand far exceeds capacity — waitlist from 5:30am

Familiar patterns are messaging apps, not complex dashboards

Interviews conducted at senior centers, home visits, and Korean community centers in LA

Two findings shaped everything
01

Autonomy is one of the most important priorities for older adults age 60-70. Any solution that visibly compromises independence will be rejected, regardless of how well it works.

02

Current solutions like wearables or caregivers cause friction. Most forget to wear them or find them uncomfortable. Caregivers infringe on independence.

User story

Jasmita's grandma wants to continue to live alone, but her health is deteriorating. She was recently diagnosed with a neurodegenerative disease. They set up baby monitors but those need to be watched 24/7, which means Jasmita's parents are constantly worried. This is where Oasis steps in…

04 — Solution

An in-home camera monitoring system that uses computer vision to detect falls, signs of unresponsiveness, and choking in real-time.

Multiple cameras cover danger zones around the house, connecting to a central node that processes the visual data to determine if an incident happened.

Caregiver app:
1.Check for incidents
2.Set up 911 auto-calls
3.Check for errors or camera precision
Older adult side:
1.Set up privacy mode
2.Deactivate false alarms
devices home

Home screen showing all connected cameras across rooms, with battery status and privacy controls.

camera live view

Live camera feed from a room. Caregivers can monitor in real-time. (1/3)

alerts — all

All alerts view — falls, camera issues, and call-for-help events with pending/reviewed status. (1/5)

05 — Why Now

In-home camera monitors that detect falls have existed, except they're way too expensive.

With recent advancements in computer vision and processing, algorithms are now much more accurate and can detect incidents in real-time, on-device.

$500
per year
existing solutions
$500
all-time
Oasis
cost comparison

$500/year cloud-processing subscription vs. Oasis at $500 all-time with on-device processing.

06 — Key Takeaways

Shipped my first product!

01

I treated user interviews more like user conversations. My interviews yielded a lot more when I wasn't following set questions like "what are pain points in your life right now?" and just enjoyed learning more about another person. A lot of interesting insights I didn't expect came about because I wasn't looking just for "problems" in another person's life.

02

Designing for hardware is designing for a different medium. With software it's mainly screens but with hardware there are different ways you can communicate and interface through sound, light, and color. It means there's a lot more opportunities to make it more accessible for older adults who may not be as familiar with digital screens.

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