I hacked my son’s Duplo train to go faster using my voice
In plain words
A parent modified a Duplo train set to respond to voice commands and increase its speed. This project combines hardware hacking with voice control technology applied to a children's toy. It demonstrates how everyday items can be retrofitted with automation features for entertainment and creative play purposes.
written from the facts on this page · September 2026
Does the same job
all alternatives →- IBI built a sub-500ms latency voice agent from scratchMar 2026 · ntik.me · ▲570
I built a voice agent from scratch that averages ~400ms end-to-end latency (phone stop → first syllable). That’s with full STT → LLM → TTS in the loop, clean barge-ins, and no precomputed responses. What moved the needle: Voice is a turn-taking problem, not a transcription problem. VAD alone fails; you need semantic end-of-turn detection. The system reduces to one loop: speaking vs listening. The two transitions - cancel instantly on barge-in, respond instantly on end-of-turn - define the experience. STT → LLM → TTS must stream. Sequential pipelines are dead on arrival for natural…
- VPVoice-Pro – AI Voice Cloning2024 · github.com · ▲271
Imagine creating a podcast where Mark Zuckerberg interviews Elon Musk – using their actual voices? What sounds like science fiction is now reality. Voice-Pro is an open-source Gradio WebUI that breaks the boundaries of audio manipulation. Powered by cutting-edge Whisper engines, this tool turns voice replication into child's play. Key Features: - Zero-shot Voice Cloning - Voice Changer with 50+ Celebrity Voices - YouTube Audio Downloading - Vocal Isolation - Multi-Language Text-to-Speech (Edge-TTS, F5-TTS) - Multi-Language Translation - Powered by Whisper Engines (Whisper, Faster-Whisper,…
- LVLocal voice assistant using Ollama, transformers and Coqui TTS toolkit2024 · github.com · ▲167
- OSOpen-source, native audio turn detection model2025 · github.com · ▲126
Our goal with this project is to build a completely open source, state of the art turn detection model that can be used in any voice AI application. I've been experimenting with LLM voice conversations since GPT-4 was first released. (There's a previous front page Show HN about Pipecat, the open source voice AI orchestration framework I work on. [1]) It's been almost two years, and for most of that time, I've been expecting that someone would "solve" turn detection. We all built initial, pretty good 80/20 versions of turn detection on top of VAD (voice activity detection) models. And…
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Launched alongside, June 2022
the whole month →- AF
I've seen some interests in (simulation) video games here on HN so I thought I'd share a short version of our story. More than 6 years ago, me and my friend from university were playing around with an idea of making a game we always wanted to play. We worked on it on weekends but the progress was quite slow, especially due to so many dead ends and wasted effort. Eventually however, we solidified our direction and decided to take the risk to resign from our well paid SWE jobs and work on it full time. It took more than a year but yesterday we have finally released it on Steam:…
Life & fun · 2022
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