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[ARTICLE · art-54183] src=dev.to ↗ pub= topic=artificial-intelligence verified=true sentiment=↑ positive

My weekend challenge entry: an AI announcer for the beach-sport duels my futevôlei crew plays every day. Gemini writes the call, ElevenLabs voices it. Ring the bell yourself, the demo is live.

Vinicius Pereira built an AI announcer for futevôlei duels called DuelUp Live. The system uses Google Gemini to generate commentary and ElevenLabs for voice synthesis. A live demo is available for users to try.

read1 min views40 publishedJul 10, 2026

I gave my futevôlei crew an AI announcer (DuelUp Live) Vinicius Pereira Vinicius Pereira Vinicius Pereira Follow Jul 10 I gave my futevôlei crew an AI announcer (DuelUp Live)

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weekendchallenge

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googleaichallenge 4 reactions Add Comment 4 min read

source & further reading
dev.to — original article Claude Haiku 5.5 Is Cheap Until 100k Tokens. Build a Tiny Price Gate in TypeScript. AI Coding Tools Are Great Until the Only Test Is a Device in Someone's Hand How to Answer Questions About 500-Page Documents With a 1M-Token Model (Python Map-Reduce Tutorial)
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