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SEOSiri
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Founder seosiri 🇧🇩 Marketing-led design 🎨 Expert in SEO, DevOps, Web/Plugin Dev & AI Agent building. High-tech solutions for your business. 💬 me! Know me more- https://www.seosiri.com/p/about.html
biometric_iot_bridgeIoT devices are everywhere — from smart locks and home automation to industrial equipment and healthcare systems. But securing these devices is still a major challenge. Passwords can be stolen, sessions can be hijacked, and traditional authentication often feels clunky.
That’s why I built biometric_iot_bridge, an open‑source Flutter package that connects biometric authentication with IoT device control via secure MQTT tokens.
User verifies with fingerprint or Face ID
A cryptographic token is generated locally
Token is published securely via MQTT
IoT device executes the trusted action
This ensures only verified users can trigger IoT actions — reducing risk and improving trust.
Fingerprint / Face ID verification
Local token generation (privacy‑first)
Secure MQTT signaling
Cross‑platform: Android, iOS, Windows, macOS
MIT License, free on pub.dev
Smart locks 🏠
Industrial IoT ⚙️
Healthcare devices 🏥
Connected vehicles 🚗
Smart home automation 🌐
Full details and implementation guide: 👉 https://www.seosiri.com/2026/02/biometric-iot-bridge.html
I’d love feedback from the Hashnode community:
How do you see biometrics fitting into IoT adoption?
What pitfalls should I watch out for when developers integrate this into production systems?
Any ideas for real‑world applications you’d like to see tested?