Old Tech Gets a Home Assistant Second Life

These are DIY smart-home projects, not physical robotics. Try them only if you already own compatible gear.

What You Can Do This Weekend

How-To Geek suggests turning an old USB webcam into a Home Assistant camera. Your setup can connect to USB video devices directly. A Raspberry Pi can also share the camera stream with Home Assistant.

The outlet says FFmpeg supports USB cameras on Linux. That does not prove support for every Home Assistant setup.

An old phone can serve as another camera. How-To Geek uses a Samsung Galaxy S8 with the IP Webcam app. It says older phones may have better rear cameras than cheap security cameras.

A spare Android phone can also become a voice control point. How-To Geek says the Home Assistant Companion app gained voice satellite support in version 2026.3.

The phone can listen for “Okay Nabu,” “Hey Jarvis,” or “Hey Mycroft.” It can then open Assist and play replies through its speakers.

The Catch and Total Cost

These are personal DIY setups, not ready-to-buy products. They depend on a working Home Assistant install and old hardware you already own.

No supplied details list app fees, power use, setup time, or full device support. The deployment stage is unclear because these are not presented as official product bundles.

Voice wake detection may be less steady than a dedicated smart speaker. How-To Geek says it works best when you stand close to the phone.

Verdict: Try, With Gear Already on Hand

Try if you already run Home Assistant and have spare phones or webcams.

Wait if you need simple setup, clear support, or known ownership costs.