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Offline First-Aid Voice Guide

Step-by-step spoken first-aid instructions that work without internet.

Intermediate16h1–2 people17/20 fit
TL;DR

Build Offline First-Aid Voice Guide for hikers, rural communities and first responders in ~16h with 1–2 people. Stack: Vosk + React Native + TTS.

Why it wins: Works where it matters most.

Build flow

01 · Problem
Emergencies happen where there is no signal and panic blocks memory.
02 · Solution
Bundle vetted first-aid protocols, use offline speech recognition to navigate steps hands-free and include a call-emergency button.
03 · Build
  1. 1Write protocol trees
  2. 2Add offline speech
  3. 3Speak steps
  4. 4Test offline
04 · Demo
Say 'burn' and get spoken steps with no network.

MVP checklist

  • Offline protocols
  • Voice navigation
  • Hands-free steps
  • Emergency call

Tech stack

TechRole
VoskOffline speech recognition
React NativeMobile app
TTSText-to-speech

Reference repos

Open-source projects you can build on. Links checked 2026-10-31.

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