Technical Guide December 2025 · 18 min read

Hardware-in-the-Loop Testing Automation: How QA Teams Cut Testing Cycles by 70%

Automating QA for hardware-connected applications is difficult—but not impossible. Learn the five strategies that helped Fi, 8 Sleep, and Lumo transform their testing from multi-day cycles to same-day releases.

What You'll Learn

1

Layered Testing Architecture

Most hardware apps are 70-80% software. Learn to segment flows by hardware dependency and automate systematically.

2

API-Driven Device Simulation

Create test accounts with pre-configured device states and data—no physical hardware required.

3

Visual AI for Hardware State

Verify device status indicators through vision-based testing that interprets screens like humans do.

4

Real Case Studies

See how Fi went from 2-3 day releases to same-day, and how 8 Sleep generated 111 tests in 2 hours.

5

Implementation Roadmap

Step-by-step guide to applying these strategies in your organization.

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