Case studies

Proof from real prototype, enclosure, and build decisions.

These examples are generalized where needed, but each one shows the kind of practical problem Hardware Hub helps move forward.

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Prototype enclosure development

Carver Fire ELSA enclosure development

Enclosure CAD and prototype integration

Challenge

Enclosure CAD and component integration support for the ELSA prototype, working with Carver Fire and its fabrication partner.

Why it mattered

ELSA needed a purpose built enclosure around an existing component assembly, with external interfaces and access for assembly.

Closed exterior CAD rendering of the blue Carver Fire ELSA enclosure, shared 27 February 2026.

Exterior CAD rendering shared 27 February 2026. This is a design view, not a photograph.

Hardware Hub helped

  • Enclosure CAD and mechanical packaging
  • Component integration and external interface layout
  • Coordination with the client and fabrication partner

Result

My contribution was mechanical enclosure and component integration support. Carver led the system; USTP produced the enclosure and contributed to door and hinge fitment.

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Electromechanical prototype

Kelvin Hot+Cold prototype

Moved from product concept to tested prototype for customer discovery

Challenge

Designed and built a reusable temperature-control prototype that packaged a TEC, custom electronics, controls, and enclosure details into a handheld product for customer discovery.

Why it mattered

Emergency teams do not always have reliable ice packs on hand, and single-use packs are limited. Kelvin needed a reusable prototype that could cool, warm, and adjust temperature as the situation changed.

Kelvin Hot+Cold prototype assembly in hand.
Custom PCB for the Kelvin Hot+Cold prototype.
Kelvin Hot+Cold prototype build detail.

Hardware Hub helped

  • Prototype mechanical design and enclosure packaging
  • Custom PCB collaboration with an electrical engineer
  • Assembly, bring-up, and hands-on prototype testing

Result

The prototype moved into customer discovery with a clearer product package, working hardware, and a stronger foundation for feedback before any production decision.

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Founder MVP prototype

PAWD v0.5 MVP

Moved from MVP concept to tested prototype for customer discovery

Challenge

Completed the prototype direction for a secure, conditioned short-term pet space built for quick errands outside places like grocery stores and pharmacies.

Why it mattered

Pet owners sometimes need five minutes inside a store but do not have a safe, comfortable place to leave their dog. PAWD needed an MVP that could make the idea real enough to test.

Hardware Hub helped

  • Product design and prototype build
  • Smart lock, roof LED, and enclosure iteration support
  • Vendor sourcing, assembly, and prototype testing

Result

The MVP moved into customer discovery with a physical prototype, tested features, and clearer vendor/manufacturing direction before a production decision.

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Sheet metal enclosure

Weather-resistant inverter enclosure

Moved from urgent enclosure need to manufactured production design

Challenge

Designed a custom weather-resistant sheet metal enclosure for outdoor power electronics and supported fabrication through a contract manufacturer.

Why it mattered

A power electronics company needed an inverter enclosure quickly, with enough protection, fit, and build clarity to support outdoor testing and production needs.

Hardware Hub helped

  • Sheet metal enclosure design
  • Electronics packaging and outdoor-use design considerations
  • Contract manufacturer coordination for test-build fabrication

Result

The enclosure was manufactured for testing and moved forward into production while keeping the company name confidential.

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Similar problem?

Bring the next product decision into focus.

If your team is deciding what to prototype, how to package the product, or how to prepare vendors for quotes, start with the project intake form.