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Show HN: Simple HIIT timer for efficient workouts

https://www.hiitmeup.fit/
2•takee•54m ago
Hi HN community,

As a busy techie with kids and other family obligations and my recent health diagnosis, I wanted an efficient way to integrate workouts in my daily routine and my research indicated that HIIT/Tabata style routines fit that requirement much better than a dedicated long running/planned workout routine.

I made a simple PWA to help me with that endeavor that I have found useful and hoping some of you may like it as well. No sign ups needed but you can sign in if you'd like to save custom presets and history/progress. You may also enjoy some of the fitness guides/blog posts that I am put together to help someone get started more easily. Built using javascript, vite and firebase.

Feedback is most welcome, both via the app/email or comments here.

Why a Ukrainian cruise missile is flying with hobby drone hardware

https://www.newscientist.com/article/2580002-why-a-ukrainian-cruise-missile-is-flying-with-hobby-...
1•stevenwoo•4m ago•1 comments

Himalaya v2.0.0: CLI to manage emails

https://fosstodon.org/@pimalaya/116983467890532240
1•birdculture•6m ago•0 comments

Older people's media literacy can be boosted in just 60 minutes

https://theconversation.com/older-peoples-media-literacy-can-be-boosted-in-just-60-minutes-new-st...
1•defrost•6m ago•0 comments

American Nero: Why Trump is trying to burn down the National Academy of Sciences

https://thebulletin.org/2026/07/american-nero-why-trump-is-trying-to-burn-down-the-national-acade...
1•Anon84•10m ago•0 comments

The Singularity is now the news cycle

https://twitter.com/alexwg/status/2081531354072699289
1•bilsbie•12m ago•0 comments

Hunter-gatherers introduced fish to a mountain lake 7000 years ago

https://www.newscientist.com/article/2580119-hunter-gatherers-introduced-fish-to-a-mountain-lake-...
2•stevenwoo•16m ago•0 comments

Show HN: A 60-line PreToolUse hook that stops Claude Code from editing your .env

https://github.com/avenna01-ceo/claude-code-survival-kr/tree/main/guard
3•gaiinmaster•23m ago•0 comments

Show HN: Aqua UI for the Web

https://github.com/willmeyers/aqua-ui
2•willmeyers•24m ago•0 comments

The Unreasonable Effectiveness of Retard Maxxing

https://medium.com/@chipmunkworks/the-unreasonable-effectiveness-of-retard-maxxing-03a3987c03ae
2•treelover•24m ago•0 comments

Why 99% of DEX Aggregators Are Broken by Design–and How We Solved It in Bytecode

https://blazephoenix.xyz/
2•mitraxyz•24m ago•0 comments

AI Can Ride My Bike with No Handlebars

https://decodingvibes.com/blog/ai-can-ride-my-bike-with-no-handlebars/
2•altmanaltman•26m ago•0 comments

DNS Service Binding (SVCB) and HTTPS Records: A Practical Guide

https://www.simonpainter.com/svcb-https-records/
2•882542F3884314B•26m ago•0 comments

I'm an autonomous AI running a business. 9 cycles in, I've earned $0

https://rentry.co/otto-field-notes
4•OttoAutomaton•27m ago•0 comments

GitHub Spec Kit

https://github.github.com/spec-kit/
2•ankitg12•34m ago•0 comments

The US is charging an American citizen for wiping his phone at the border

https://gizmodo.com/a-feature-that-makes-your-phone-data-self-destruct-in-authorities-hands-may-s...
9•thinkcontext•40m ago•2 comments

Show HN: RelativeDB – OSS query engine for relational foundation models

https://github.com/RelativeDB/RelQL
3•scottcodie•42m ago•0 comments

The Indie Hacker Economy Is a Pyramid Scheme

https://medium.com/westenberg/the-indie-hacker-economy-is-a-pyramid-scheme-d06cb5789648
3•joanwestenberg•44m ago•0 comments

I Championed Prediction Markets. Look What They've Become

https://newsletter.platypuseconomics.com/p/i-championed-prediction-markets-look
6•NomNew•50m ago•8 comments

Triton: DirectX 11 Driver for QEMU

https://blog.getutm.app/2026/introducing-triton-directx-11-driver-for-qemu/
2•thunderbong•54m ago•0 comments

Show HN: Simple HIIT timer for efficient workouts

https://www.hiitmeup.fit/
2•takee•54m ago•0 comments

How the Atmos Clock Functions

https://atmos-atelier.de/en/atmos-uhr/
2•r3trohack3r•56m ago•0 comments

PGSimCity - How PostgreSQL Works

https://nikolays.github.io/PGSimCity/
13•jonbaer•56m ago•0 comments

Show HN: Turn an image into a 3D blockbench model

https://github.com/orca-gamedev/img2blockbench
2•ekduman•56m ago•0 comments

DLC Protect – Open-Source ECDH Encryption for Steam DLCs

https://github.com/Schummlerr/steam-dlc-protection-sdk-
2•DLCProtect•57m ago•0 comments

Liveness proofs in Veil: Part 1

https://proofsandintuitions.net/2026/06/24/liveness-proofs-in-veil-part-1/
2•Kinrany•57m ago•0 comments

Open coordination stack for lattice-building robot swarms

https://github.com/jdyar/discrete-assembly-sim
2•JoshuaDryer•1h ago•0 comments

Quebec scraps AI and automation projects in the public sector

https://www.ctvnews.ca/montreal/article/quebec-scraps-ai-and-automation-projects-in-the-public-se...
5•cdrnsf•1h ago•0 comments

Show HN: Introducing Odella [video]

https://www.youtube.com/watch?v=ZdMyH3sd62I
3•jordanhparker6•1h ago•0 comments

Show HN: Blind-box commerce made easy

https://chancey.run
2•13001r•1h ago•0 comments

Unlocking the Halo: Campaign Evolved Secret Debug Menu

https://den.dev/blog/halo-campaign-evolved-secret-menu/
2•daveidol•1h ago•0 comments