
Power Your Sanctuary with Local AI
Reclaim your home with the Sentinel Core, the ultimate platform for privacy-first, DIY smart home systems. Built for autonomous, local AI home automation, this custom Raspberry Pi 5 embraces a "Bring Your Own GPU" mindset.
Featuring a PCIe port for connecting full-power GPUs, the Sentinel Core empowers you to run advanced large language models and create a private, offline voice assistant with unmatched performance.
Your system. Your rules.
Privacy-first solutions that let you innovate, create, and take control—free from cloud reliance and surprise fees.
Your Data Stays Home
We believe your home is your sanctuary. That’s why all our solutions are designed to operate locally, giving you complete control over your data and peace of mind.
Tools for Customization
Our products are made for those who love to build, customize, and create. With open platforms and modular designs, we give you the tools to turn your vision into reality.
Independent from the cloud
Say goodbye to invasive cloud services and surprise fees. Sanctuary Systems gives you the tools to build local systems that reflect your expertise.
Why we do what we do
At Sanctuary Systems, we believe your smart home isn’t just where you live—it’s your safe haven, for you and your loved ones. It should be private, secure, and entirely under your control.
We are husbands, fathers, and DIY/tech enthusiasts, that's why we design and manufacture cutting-edge, privacy-focused smart home products for those who refuse to compromise.
Our first product says it all
The Sentinel Core, redefines what’s possible in home automation. A custom Raspberry Pi 5 with a PCIe port, it lets you connect a GPU to run powerful large language models (LLMs) locally—the backbone of privacy-respecting, offline voice assistants. This isn’t just about smarter homes; it’s about reclaiming autonomy and pushing boundaries.
And we’re just getting started.
While our current focus is on Home Assistant LLMs, the possibilities extend far beyond voice control. Every product we create is crafted to empower innovators like you, ensuring every detail delivers seamless, polished performance.
Sanctuary Systems isn’t just about technology; it’s about helping you take pride in your creations. Innovate boldly, reclaim your potential, and transform your home into the sanctuary it’s meant to be.
Your system, your sanctuary
Unleash full power Local AI
The Sentinel Core is your toolkit for crafting a powerful, private, and fully autonomous home. Designed with creators in mind, it gives you the freedom to innovate, reclaim control, and safeguard your sanctuary.

Effortless Setup
With our custom Home Assistant pre-installed, getting started is seamless—for beginners and experienced DIY enthusiasts.
Customizable and Future-Ready
Its Mini ITX form factor offers compatibility with repurposed PC components, giving you the freedom to customize and upgrade as needed—while maintaining a premium, compact build.
Energy Efficiency Meets Performance
Leveraging the Raspberry Pi 5 foundation, the Sentinel Core delivers exceptional energy efficiency without sacrificing capability.
Unmatched Local AI Power
This custom Raspberry Pi 5 features a PCIe port for the GPU of your choice, unlocking full-power large language model (LLM) computation. Experience lightning-fast, privacy-first, local AI voice assistance, with unmatched power.