Building in Public

BYTEFULL

Offline-First Contactless Access Control

Secure NFC access for gyms, coworking spaces, makerspaces, events and smart buildings.

How It Works

📱 Phone / NFC Card
🔷 Bytefull Device
⚡ Relay / Local Access Decision
🚪 Door / Turnstile / Gate
☁ Optional Cloud Sync

Why Bytefull

Offline-First

Access decisions happen locally. No internet connection required.

Open Integration

Relay outputs and APIs designed to work with existing infrastructure.

Modern Firmware

Built with Zephyr RTOS and developed using CI and software-in-the-loop testing.

Current Status

Let's Talk

Interested in testing Bytefull in your space?

hello@bytefull.io