The hardware behind Otto: a monkey plush which became my vocal assistant

Flavio De Stefano
Apr 13, 2018 · 5 min read
SkeletOtto and Otto

Base board

Raspberry Pi Zero W

Audio components

ReSpeaker 2-Mics Pi HAT — Hardware specifications
ReSpeaker 2-Mics Pi HAT

Powering the board

LiPo Battery — 3.7V 2000mAh
Adafruit PowerBoost 500 Charger

Additional hardware

Push button
Power on-off switch

Connect everything together

Otto Circuit diagram
The hardware behind Otto

Thanks to Andrea Longo and Stefano Azzolini

Flavio De Stefano

Written by

Software Engineer for @Spotify in @Stockholm; with passion

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