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Evo

A combined keyboard and mouse with custom U.I. to empower the people with one arm amputation.

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Objective: Empower users beyond daily tasks by enabling efficient digital interactions through a portable, adaptive product.

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Research: Conducted interviews with rehabilitation centers and welfare schools to identify pain points like difficulty typing, using devices, and performing digital tasks.

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Collaboration: Worked with developers to implement a customizable virtual UI and researchers to validate user needs.

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Development: Designed ergonomic and portable hardware integrated with a dynamic UI that optimizes key functions and click areas based on user reach.

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Outcome: Evo enhances accessibility, comfort, and independence for users, bridging the gap in inclusive technology.

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Skills: UI & UX, Product Design, Research, wireframing, Prototyping, Ergonomics

 

Tools: Rhino, Solidworks, Illustrator, Photoshop, Keyshot

Discovery 

Primary Research

Development

User Interface

Discovery

USA

India

Upper Limb

Up to elbow

70%

30%

One Arm Amputation

130,000

25,000

People with amputation

350,000

500,000

New amputation/year

50,000

23,500

Age Group

Upper Limb

Up to elbow

60%

40%

60%

under 21

10%

21-64 years

77.5%

22.5%

> 30 years

Under 30

Products Available

Prostheses are enabling better product design and assistive solutions for daily tasks. However, limited research into electronics for one-arm amputees and reliance on outdated designs have hindered the adoption of new technologies.

Helping Aid

Prosthetics

Consoles

Around 15% of the global population faces medical conditions that disrupt daily life, with most being incurable. While products exist to aid everyday tasks, limited solutions address leisure activities, leaving this group underserved. Evo bridges this gap, empowering users with innovative solutions.

Primary Research

User Interviews

Conducted contextual interviews to gain a deeper understanding of user journeys and challenges within rehabilitation centers and schools.

User 

Rehabilitation center

welfare school

  • Lifting heavy items from top shelves is challenging.

  • Products with various handle designs create usability issues.

  • Users avoid trying new items due to perceived difficulty or unfamiliarity.

  • Challenges in using devices such as phones, laptops, and gaming consoles.

  • Challenges in using devices such as phones, laptops, and gaming consoles.

  • Struggles with dressing independently.

  • Inability to write effectively.

Key Insight

Operations became increasingly challenging, particularly tasks like tying knots, using wallets, and handling goods. Phones larger than 5 inches were unusable, while activities such as dressing, eating, and writing remained comparatively manageable.

User Persona

  • 25-year-old professional with a desk job

  • One-arm amputee

  • Regular user of laptop or PC.

  • Regular user of laptops and PCs

  • Personally owns a laptop

Development

Brainstorming and Ideation

  •  I brainstormed and evaluated ideas against key design requirements, focusing on portability, customization, and user comfort. 

  • I prioritized solutions that aligned with user workflows and ergonomic needs while maintaining the compact form factor of a traditional mouse.

  • The selected concept optimized the Task Success Rate and ensuring a seamless and comfortable experience tailored to diverse user requirements.

Post-it Ideation
Post-it Ideation

Product Specification

  • Analyzed product specifications to identify key features and potential pain points.

  • Applied User Research and Heuristic Evaluation to uncover usability challenges.

  • Optimized Information Architecture (IA) and Interaction Design (IxD) for an intuitive solution.

  • Improved Task Success Rate and overall usability to align with performance metrics.

Uncomfortable For
Typing

Less Visibility

20

Keyboard  with customization user interface

Right Click

Left Click

Hovering on the button 
will make it scroll.

Proof Of Concept

User Interaction

User Interface

  •  Virtual keyboard interface was designed to be fully customizable, addressing diverse user needs and workflows.

  • The seamless user experience, enhancing usability and improving Task Success Rates.

  • This design ensures future scalability, aligning with evolving user requirements and supporting long-term Retention Rates while driving continuous user engagement

Designed an AI-driven interface that optimized workflows by analyzing user interactions, enabling feature customization and improving task efficiency by 40%.

Designed an intuitive click allocation system that dynamically registers user interaction zones based on reach and behavior.

Evo features seamless connectivity, supporting both wireless Bluetooth and wired options to ensure compatibility across a wide range of devices. This enhances accessibility and user flexibility.

Future Prospect

Evo is designed as an efficient, user-centric tool with the potential to adapt to all user needs and behaviors, enhancing productivity through customizable workflows. With scalability into VR/AR ecosystems, Evo can drive impactful, immersive experiences for professionals, improving task success rates, reducing cognitive load, and increasing user engagement across platforms.

For Physical Product Design Click Here 

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