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Wearables and personal sensing

Wearable devices, health and fitness sensors, personal monitoring, tracking hardware, and sensing applications.

3,157 stories · 42 in 30 days · Updated Sep 28, 2026

The pace of conversation

Posts per month

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2020-012026-09

Posts per month · first and latest months may be partial.

01 / EXPLORE THROUGH TIME

Timeline

Start with the latest. Scroll back through time, or zoom in for more.

Year by yearUp to 5 stories per year
2026405 stories
FDA authorizes first wearable device that monitors ketone and blood sugar levels↗ fda.gov · HN · 238 comments · 490 points · Aug 25, 2026
Una GPS smart watch – Repairable, USB-C charging, developer-friendly↗ unawatch.com · HN · 195 comments · 274 points · Jul 28, 2026
CT Scans of Health Wearables↗ lumafield.com · HN · 52 comments · 247 points · Mar 06, 2026
My smart sleep mask broadcasts users' brainwaves to an open MQTT broker↗ aimilios.bearblog.dev · HN · 260 comments · 620 points · Feb 14, 2026
I let ChatGPT analyze a decade of my Apple Watch data, then I called my doctor↗ msn.com · HN · 231 comments · 243 points · Jan 26, 2026
2025514 stories
WiFi signals can measure heart rate↗ news.ucsc.edu · HN · 262 comments · 467 points · Sep 04, 2025
Blood oxygen monitoring returning to Apple Watch in the US↗ apple.com · HN · 345 comments · 445 points · Aug 14, 2025
Show HN: Air Lab – A portable and open air quality measuring device↗ networkedartifacts.com · HN · 186 comments · 497 points · Jun 05, 2025
US Judge invalidates blood glucose sensor patent, opens door for Apple Watch↗ patentlyapple.com · HN · 193 comments · 463 points · Feb 21, 2025
Building a T1D smartwatch for my son from scratch↗ andrewchilds.com · HN · 84 comments · 594 points · Jan 28, 2025
2024443 stories
Tracker Beeper (2022)↗ berthub.eu · HN · 76 comments · 394 points · Nov 06, 2024
Apple Watch sleep apnea detection gets FDA approval↗ techcrunch.com · HN · 315 comments · 464 points · Sep 16, 2024
AppleWatchAmmeter↗ github.com · HN · 68 comments · 339 points · Sep 11, 2024
Google releases smart watch for kids↗ store.google.com · HN · 766 comments · 284 points · May 29, 2024
FDA clears first over-the-counter continuous glucose monitor↗ fda.gov · HN · 426 comments · 783 points · Mar 06, 2024
2023378 stories
Custom firmware for MI fitness band↗ github.com · HN · 39 comments · 147 points · Dec 28, 2023
Apple Patents Suggest Future AirPods Could Monitor Biosignals and Brain Activity↗ applemagazine.com · HN · 7 comments · 20 points · Oct 10, 2023
The E-Ink Badge: The Coolest Badge You Didn't Know You Needed↗ census.dev · HN · 4 comments · 17 points · Feb 28, 2023
Apple Makes Major Progress on No-Prick Blood Glucose Tracking for Its Watch↗ bloomberg.com · HN · 30 comments · 48 points · Feb 22, 2023
I Bought a CO2 Monitor, and It Broke Me↗ theatlantic.com · HN · 27 comments · 28 points · Feb 03, 2023
2022381 stories
How to use a watch as a compass↗ citizenwatch-global.com · HN · 145 comments · 491 points · Oct 19, 2022
TOTP tokens on my wrist with the smartest dumb watch↗ blog.singleton.io · HN · 124 comments · 364 points · Oct 18, 2022
Analysis of Apple Watch running data↗ applewatchrunner.substack.com · HN · 166 comments · 317 points · Sep 25, 2022
Continuous glucose monitoring on the Apple Watch↗ hturan.com · HN · 93 comments · 257 points · Jun 03, 2022
Boyfriend-alert – A light based alert system↗ github.com · HN · 173 comments · 244 points · Jan 31, 2022
2021432 stories
Wearable Microphone Jamming↗ sandlab.cs.uchicago.edu · HN · 123 comments · 360 points · Oct 16, 2021
AirGuard: Protect yourself from being tracked by AirTags and Find My accessories↗ github.com · HN · 147 comments · 298 points · Sep 18, 2021
Monitoring my home's air quality with AirGradient's DIY sensor↗ jeffgeerling.com · HN · 206 comments · 515 points · Sep 08, 2021
AirGradient: DIY Air Quality Monitoring with Open-Source Hardware & Firmware↗ airgradient.com · HN · 74 comments · 323 points · May 11, 2021
I mailed an AirTag and tracked its progress↗ intego.com · HN · 406 comments · 549 points · May 11, 2021
2020604 stories
Google/Fitbit will monetise health data and harm consumers [pdf]↗ cepr.org · HN · 130 comments · 303 points · Dec 23, 2020
Wyze $20 Smart Watch↗ wyze.com · HN · 283 comments · 256 points · Dec 01, 2020
Google/Fitbit will monetise health data and harm consumers↗ voxeu.org · HN · 151 comments · 325 points · Sep 30, 2020
Singapore to Open Source Bluetooth Contact Tracing↗ bluetrace.io · HN · 144 comments · 340 points · Mar 27, 2020
Mastercard investing in technology to identify commuters by gait, heartbeat↗ marketwatch.com · HN · 157 comments · 331 points · Mar 03, 2020
Scroll through time ↕

02 / CATCH UP

The conversation now

Popular stories, with attention fading over roughly two weeks.

Lab on a Contact Lens Can Measure Stress Through Serotonin↗ spectrum.ieee.org · HN · 26 comments · 70 points · Sep 25, 2026
FDA authorizes first wearable device that monitors ketone and blood sugar levels↗ fda.gov · HN · 238 comments · 490 points · Aug 25, 2026
I Connected My Withings Body+ to Home Assistant with an ESP32↗ didac.dev · HN · 29 comments · 94 points · Sep 03, 2026
Electronic skin for prosthetics to sense temperature and pressure↗ news.wsu.edu · HN · 6 comments · 58 points · Sep 02, 2026
Una watch review: A modular, repairable GPS watch is a good first step↗ engadget.com · HN · 2 comments · 10 points · Sep 28, 2026

03 / GO DEEPER

Follow your curiosity

Find a particular story, revisit a year, or see what resonated.

Highest rated · the last 30 days

I Connected My Withings Body+ to Home Assistant with an ESP32↗ didac.dev · HN · 29 comments · 94 points · Sep 03, 2026
Lab on a Contact Lens Can Measure Stress Through Serotonin↗ spectrum.ieee.org · HN · 26 comments · 70 points · Sep 25, 2026
Electronic skin for prosthetics to sense temperature and pressure↗ news.wsu.edu · HN · 6 comments · 58 points · Sep 02, 2026
With Apple Watch that's always listening, what's at stake is public perception↗ manualdousuario.net · HN · 3 comments · 14 points · Sep 15, 2026
Show HN: I spent 3 years building a wearable to understand my back pain↗ gem-manatee-cd0.notion.site · HN · 9 comments · 11 points · Sep 01, 2026
Una watch review: A modular, repairable GPS watch is a good first step↗ engadget.com · HN · 2 comments · 10 points · Sep 28, 2026
'Smart' underwear that counts your farts↗ independent.co.uk · HN · 6 comments · 8 points · Sep 15, 2026
Apple advances health and fitness capabilities using Apple Intelligence↗ apple.com · HN · 0 comments · 6 points · Sep 09, 2026
What WiFi Knows About Your Body↗ pascalpiron.substack.com · HN · 1 comments · 6 points · Sep 08, 2026
Oura S-1↗ sec.gov · HN · 0 comments · 6 points · Sep 03, 2026

10 stories shown.

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