Running Home Assistant on a Raspberry Pi 4
Running Home Assistant on a Raspberry Pi 4 Home Assistant is the best open-source smart home platform. A Pi 4 gives you a dedicated hub with no cloud dependency. Requirements Raspberry Pi 4 (2GB min, 4GB recommended) 32GB+ microSD or USB SSD Official USB-C power supply (5V 3A) Ethernet (more reliable than Wi-Fi for a hub) Installation — HAOS 1. Download Raspberry Pi Imager 2. OS: Home Assistant > HAOS for Raspberry Pi 4 3. Write to SD/SSD 4. Boot — first setup takes 5-10 min First Boot Navigate to http://homeassistant.local:8123 and create your account. Use a USB SSD (Recommended) SD cards fail with frequent writes. A 128GB USB SSD costs ~$15-20 and is worth it: Pi 4 supports USB boot natively Enable in raspi-config if needed First Integrations to Add Backups Settings > System > Backups > Automatic backups. Store to network share or Google Drive add-on.
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