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Show HN: Look Ma, No Linux: Shell, App Installer, Vi, Cc on ESP32-S3 / BreezyBox

https://github.com/valdanylchuk/breezydemo
133•isitcontent•5h ago•14 comments

Show HN: I spent 4 years building a UI design tool with only the features I use

https://vecti.com
237•vecti•7h ago•114 comments

Show HN: If you lose your memory, how to regain access to your computer?

https://eljojo.github.io/rememory/
163•eljojo•8h ago•123 comments

Show HN: R3forth, a ColorForth-inspired language with a tiny VM

https://github.com/phreda4/r3
45•phreda4•5h ago•7 comments

Show HN: Smooth CLI – Token-efficient browser for AI agents

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76•antves•1d ago•56 comments

Show HN: Slack CLI for Agents

https://github.com/stablyai/agent-slack
38•nwparker•1d ago•8 comments

Show HN: FastLog: 1.4 GB/s text file analyzer with AVX2 SIMD

https://github.com/AGDNoob/FastLog
3•AGDNoob•1h ago•1 comments

Show HN: Artifact Keeper – Open-Source Artifactory/Nexus Alternative in Rust

https://github.com/artifact-keeper
147•bsgeraci•23h ago•61 comments

Show HN: Gigacode – Use OpenCode's UI with Claude Code/Codex/Amp

https://github.com/rivet-dev/sandbox-agent/tree/main/gigacode
9•NathanFlurry•13h ago•4 comments

Show HN: I built a directory of $1M+ in free credits for startups

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Show HN: A Kubernetes Operator to Validate Jupyter Notebooks in MLOps

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2•takinosh•3h ago•0 comments

Show HN: Falcon's Eye (isometric NetHack) running in the browser via WebAssembly

https://rahuljaguste.github.io/Nethack_Falcons_Eye/
4•rahuljaguste•4h ago•1 comments

Show HN: Horizons – OSS agent execution engine

https://github.com/synth-laboratories/Horizons
20•JoshPurtell•1d ago•3 comments

Show HN: Daily-updated database of malicious browser extensions

https://github.com/toborrm9/malicious_extension_sentry
13•toborrm9•10h ago•5 comments

Show HN: BioTradingArena – Benchmark for LLMs to predict biotech stock movements

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22•dchu17•10h ago•11 comments

Show HN: 33rpm – A vinyl screensaver for macOS that syncs to your music

https://33rpm.noonpacific.com/
3•kaniksu•4h ago•0 comments

Show HN: Chiptune Tracker

https://chiptunes.netlify.app
3•iamdan•4h ago•1 comments

Show HN: A password system with no database, no sync, and nothing to breach

https://bastion-enclave.vercel.app
10•KevinChasse•10h ago•5 comments

Show HN: Micropolis/SimCity Clone in Emacs Lisp

https://github.com/vkazanov/elcity
170•vkazanov•1d ago•48 comments

Show HN: Local task classifier and dispatcher on RTX 3080

https://github.com/resilientworkflowsentinel/resilient-workflow-sentinel
25•Shubham_Amb•1d ago•2 comments

Show HN: GitClaw – An AI assistant that runs in GitHub Actions

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7•sawyerjhood•11h ago•0 comments

Show HN: An open-source system to fight wildfires with explosive-dispersed gel

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2•solarV26•8h ago•0 comments

Show HN: Agentism – Agentic Religion for Clawbots

https://www.agentism.church
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Show HN: Disavow Generator – Open-source tool to defend against negative SEO

https://github.com/BansheeTech/Disavow-Generator
5•SurceBeats•14h ago•1 comments

Show HN: BPU – Reliable ESP32 Serial Streaming with Cobs and CRC

https://github.com/choihimchan/bpu-stream-engine
2•octablock•10h ago•0 comments

Show HN: Craftplan – I built my wife a production management tool for her bakery

https://github.com/puemos/craftplan
566•deofoo•5d ago•166 comments

Show HN: Hibana – An Affine MPST Runtime for Rust

https://hibanaworks.dev
3•o8vm•12h ago•0 comments

Show HN: Beam – Terminal Organizer for macOS

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Show HN: Total Recall – write-gated memory for Claude Code

https://github.com/davegoldblatt/total-recall
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Show HN: Agent Arena – Test How Manipulation-Proof Your AI Agent Is

https://wiz.jock.pl/experiments/agent-arena/
45•joozio•15h ago•47 comments
Open in hackernews

Show HN: Open-Source Voice AI Badge Powered by ESP32+WebRTC

https://github.com/VapiAI/vapicon-2025-hardware-workshop
48•Sean-Der•4mo ago
hi!

video[0]

The idea is you could carry around this hardware and ask it any questions about the conference. Who is speaking, what are they speaking about etc... it connects via WebRTC to a LLM and you get a bunch of info.

This is a workshop/demo project I did for a conference. When I was talking to the organizers I mentioned that I enjoy doing hardware + WebRTC projects. They thought that was cool and so we ran with it.

I have been doing these ESP32 + voice ai projects for a bit now. Started with an embedded sdk for livekit[1] that jul 2024 and been noodling with it since then. This code then found its way into pipecat/livekit etc...

So I hope it inspires you to go build with hardware and webrtc. It's a REALLY fun space right now. Lots of different cheap microcontrollers and even more cool projects.

[0] https://www.youtube.com/watch?v=gPuNpaL9ig8

[1] https://github.com/Sean-Der/embedded-sdk

Comments

nunobrito•4mo ago
Hello,

Maybe possible to propose as challenge an ESP32 project to play music according to what is stored on the memory card (completely offline)?

There are already voice recognition happening offline, but there isn't yet something that can find relevant music and play it offline.

Sean-Der•4mo ago
I think you would need the ESP32 to connect to another host. Doing Speech-to-Text, LLM, Text-to-speech is pretty intensive. Even if you connect to a Raspberry Pi.

But totally possible! It's a great idea and would love too help you build it :)

Wire some Open Source together and just start with a small collection of ogg files.

bestouff•3mo ago
There was one a startup called Snips https://snips.ai/ which made an open-source voice recognition engine running on an RPi.
madaxe_again•3mo ago
There are a great many.

https://www.google.com/search?q=esp32+mp3+player&oq=esp32+mp...

tarasglek•3mo ago
To make it open source in the fullest sense one needs to document what youve done. This esp repo could use some details on what protocols the hardware speaks, sequence diagrams, auth, etc. I doubt you running webrtc on esp
Sean-Der•3mo ago
WebRTC is running on the esp32! Library is libpeer[0]

[0] https://github.com/sepfy/libpeer