Blog

Guides, tutorials & insights

Deep dives into AI wearables, ESP32 development, voice pipelines, and the maker ecosystem.

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Tutorial
How to Build an AI Voice Assistant with ESP32-S3
A step-by-step guide to creating a voice-controlled AI assistant using ESP32-S3, Whisper STT, GPT-4o, and TTS — the same pipeline powering the ProjectOSAI watch.
May 2026 Read article →
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Comparison
Best ESP32 Boards for Wearable Projects in 2026
Comparing the top ESP32 boards with displays for wearable and portable AI projects — screen size, battery life, connectivity, and real-world usability.
May 2026 Read article →
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Tutorial
Connecting GPT-4o to Microcontrollers: A Complete Guide
How to call OpenAI's API from an ESP32 over Wi-Fi, handle JSON responses, manage tokens, and build real conversational AI on embedded hardware.
May 2026 Read article →
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Comparison
AI Smartwatches in 2026: What Apple and Samsung Still Don't Do
A look at what mainstream smartwatches are missing in the AI era — persistent memory, real voice conversations, and companion personalities.
May 2026 Read article →
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Guide
ESP32 Battery Management for Always-On Wearables
Strategies for managing Wi-Fi power draw, sleep modes, and battery life in ESP32 wearable projects.
Coming soon
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Tutorial
Building Lip-Sync Animation with Visemes on Embedded Displays
How to create realistic talking face animations using JPEG viseme images on small AMOLED screens.
Coming soon
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