
AI Button
GPT Voice Assistant Hardware
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June 20, 2025
AI Button: GPT Voice Assistant Hardware
Hey there,
I've built a hardware device running on an ESP32, including a mic, battery, and speaker, that connects to a custom-built native Expo app on your phone.
By pushing the button, you can talk to OpenAI's GPT-4o and receive answers.
The case design is inspired by the 4th gen iPod Shuffle.
I'm currently working on the first commercial version of it.
Here's the landing page if you're curious or want to join the waitlist:
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Talking to GPT without taking the phone out of the pocket.

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