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runreachyrun

Documenting the journey of building a Reachy Mini Lite robot. Hardware, software, and everything in between.

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© 2025 Justin Johnson. All rights reserved.

Built with Next.js, Tailwind, and Claude Code

build log

Timeline

Every milestone, breakthrough, and failure — documented as it happens. Click on nodes to see Claude Code conversations, media, and commit details.

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+15 more

showing 10 of 10 entries

Dec 21, 2025milestone

First HuggingFace Space published

Refactored Focus Guardian to ReachyMiniApp format and published to HuggingFace Spaces. First step toward the official app store.

#apps#huggingface#ecosystem#milestone
Dec 21, 2025milestone

runreachyrun.com goes live

Launched the documentation site for the Reachy Mini Lite build. Built with Next.js 14, Tailwind, and Claude Code.

#meta#launch#claude-code
Dec 20, 2025breakthrough

First physical robot boot

45 minutes from 'help me get it running' to a talking robot. Claude Code debugged sim-vs-hardware mode, serial port locking, and API key storage in real-time.

#hardware#debugging#claude-code#breakthrough
Dec 20, 2025breakthrough

DJ Reactor MVP complete

Built music visualizer with 7 genre presets. Real-time beat detection, FFT analysis, and synchronized robot movements. The robot dances!

#apps#dj-reactor#audio#breakthrough
Dec 19, 2025session

Daemon auto-start configured

Set up LaunchAgent for the Reachy daemon. Now starts automatically on login and restarts if it crashes.

#software#infrastructure#daemon
Dec 18, 2025session

Focus Guardian app concept

Brainstormed a productivity app: Reachy as a body double that tracks focus and provides gentle accountability.

#apps#focus-guardian#concept
Dec 17, 2025failure

Camera integration blocked

Attempted to integrate head pose detection. Camera timeout issues in headless mode. Need to investigate SDK camera handling.

#software#camera#blocker
Dec 16, 2025breakthrough

First successful movement

Got Reachy to execute a coordinated head turn and antenna wiggle. Took 3 hours to figure out the coordinate system.

#software#sdk#breakthrough
Dec 15, 2025milestone

Reachy Mini Lite arrives

Unboxed the Reachy Mini Lite. First impressions: surprisingly compact, excellent build quality, immediate desire to make it wave.

#hardware#unboxing
Dec 14, 2025breakthrough

MuJoCo simulation running

Got the MuJoCo physics simulation working in headless mode. Can now develop without the physical robot connected.

#software#simulation#mujoco

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