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Show HN: Virtual Indoor Cycling App (Now with Shiny GTK4/Adwaita GUI)

1•richbl•2h ago
I wanted to share that we've recently released a GUI (GTK4/Adwaita) for our indoor cycling application called BLE Sync Cycle (BSC). BSC was created to allow cyclists to train indoors in front of a big-screen monitor using a BLE speed sensor that syncs with video playback. So, the faster you pedal, the quicker the video playback. Imagine an open-source Zwift or Rouvy that doesn't require special training hardware.

- GitHub site here: https://github.com/richbl/go-ble-sync-cycle - Applications details including installation and configuration: check out the BSC project wiki (https://github.com/richbl/go-ble-sync-cycle/wiki) - Project roadmap (https://github.com/users/richbl/projects/4)

From the BSC wiki about where to find videos to use for cycling playback: "...look for videos that are first-person cycling, driving, or even running videos. Check out YouTube(https://www.youtube.com), Vimeo(https://vimeo.com), Pexels(https://www.pexels.com/videos/), or DailyMotion (https://www.dailymotion.com/us), and search for "first person cycling" or "POV cycling" for some great ideas."

And, of course, the next time you're planning an outdoor cycling ride, strap on a camera and record some first-person cycling videos, and share them with this BSC Virtual Cycling community!

As this is an early (pre 1.0.0) release, we're looking for cyclists to help us continue to shake out bugs and make recommendations/suggestions to continually improve the BSC experience. Thanks much!

Show HN: Yappy – A Python TUI to automate LinkedIn yapping

https://github.com/JienWeng/yappy
1•jienweng•57s ago•0 comments

Shut Up and Take My Money

https://lorendb.dev/posts/shut-up-and-take-my-money/
1•LorenDB•5m ago•0 comments

Spell UI

https://spell.sh/
1•handfuloflight•6m ago•0 comments

Show HN: Swarm – Program a colony of 200 ants using a custom assembly language

https://dev.moment.com/
2•armandhammer10•7m ago•0 comments

Show HN: Custom Search Engine on Safari and Spotlight (macOS)

https://knhash.in/custom-search-engine-on-safari-and-spotlight-macos/
1•knhash•8m ago•0 comments

Show HN: SafeAgent – exactly-once execution guard for AI agents

1•Lions2026•8m ago•0 comments

Enhanced brain cells clear away dementia-related proteins

https://medicalxpress.com/news/2026-03-brain-cells-dementia-proteins.html
2•WaitWaitWha•8m ago•0 comments

Google Patent: Sending Searchers to AI-Generated Pages over Your Site

https://www.seroundtable.com/google-patent-ai-generated-pages-search-41010.html
1•frays•10m ago•0 comments

System76 on Age Verification Laws

https://blog.system76.com/post/system76-on-age-verification/
1•LorenDB•10m ago•0 comments

A Technology for a Low-Trust Society

https://www.theatlantic.com/technology/2026/03/central-lie-prediction-markets/686250/
1•CaptainZapp•13m ago•0 comments

Tollund Man

https://en.wikipedia.org/wiki/Tollund_Man
1•thunderbong•18m ago•0 comments

Show HN: Steadwing – Your Autonomous On-Call Engineer

https://www.steadwing.com/
3•abejith•20m ago•0 comments

Show HN: Verak – Fake Seller Detection for Digital Marketplaces

https://www.verak.io/demo
1•Mikewillcodes•21m ago•0 comments

One Agent SDK – Embed Claude Code in Your App with Codex and Kimi

https://odysa.github.io/one-agent-sdk/
1•agentforce•21m ago•1 comments

Don't Call It 'Intelligence'

https://www.theatlantic.com/ideas/2026/03/intelligence-concept/686121/
1•petethomas•21m ago•0 comments

Parakaryon: The only species with a unknown position in the tree of life

https://en.wikipedia.org/wiki/Parakaryon
1•icwtyjj•21m ago•0 comments

Warden by Sentry

https://warden.sentry.dev/
1•handfuloflight•22m ago•0 comments

Show HN: kg Food Log: Reveal the molecules in your foods

https://kg.enzom.dev/
1•emadda•23m ago•0 comments

On the need for a censorship API for legal compliance in some regions

https://lists.debian.org/debian-legal/2026/03/msg00018.html
1•iamnothere•24m ago•1 comments

Breaking Down 50M Pins: A Smarter Way to Design 3D IC Packages

https://www.allaboutcircuits.com/industry-articles/breaking-down-50-million-pins-a-smarter-way-to...
2•WaitWaitWha•26m ago•0 comments

Show HN: Gluon – Project management with impact-based task prioritization

https://apps.apple.com/us/app/gluon-project-manager/id6758938759
1•cothi•27m ago•2 comments

What I'm learning trying to build a dance theater piece like a startup

1•megbroome•28m ago•0 comments

Ask HN: How common are fake job postings when searching for jobs online?

1•BelVisgarra•31m ago•2 comments

Show HN: Agent-pulse – local gateway that fans out AI agent events to clients

https://github.com/SantiagoBobrik/agent-pulse
1•SantiagoBobrik•32m ago•0 comments

Show HN: Netwall

https://netwall.org
1•dogancan•32m ago•0 comments

Show HN: Collaborative Blogging

https://blog.sgo.to/2026/01/07/how-does-this-blog-work
1•sgoto•34m ago•1 comments

An experiment: funding an independent dance theater piece like a startup

1•megbroome•35m ago•0 comments

Doctronic Is Now Accepting New Patients (and Unsafe Instructions)

https://mindgard.ai/blog/doctronic-is-now-accepting-new-patients-and-unsafe-instructions
1•kierangill•36m ago•0 comments

Academics Need to Wake Up on AI

https://alexanderkustov.substack.com/p/academics-need-to-wake-up-on-ai-part
1•Anon84•37m ago•0 comments

Every Claim from Meta Child Safety Trials

https://meta-trials.vercel.app/
2•laurex•37m ago•0 comments