Heard – offline LoRa mesh that keeps hiking groups together
Offline group-safety mesh for hikers: ESP32 + GPS + LoRa, with a firmware-in-the-loop simulator and 3D replay viewer - luciobaiocchi/heard
Heard – offline LoRa mesh that keeps hiking groups together launched on June 11, 2026 with 9 votes, #1,453 of 22,647 launches that month and more than 75% of that year's launches.
What it does
Embedded devices for the safety of hiking groups in remote environments — fully offline, over LoRa. Born as a Bachelor's thesis in Computer Engineering and Computer Science — Alma Mater Studiorum · University of Bologna (Cesena Campus), AY 2024–2025. Author: Lucio Baiocchi · Supervisor: Prof. Alessandro Ricci 📺 Build video: the whole creation process is documented on YouTube . The Heard Core prototype: live group status on e-ink (left) and the internals — ESP32, GPS, LoRa, e-ink (right). 10-cent coin for scale. In remote mountain areas there is no cellular coverage, and existing safety tools (PLBs, satellite messengers, GPS locators) are individual-use only: they can call for help after an…from github.com
Does a similar job
all alternatives →
I made an offline-ready hiking trail companion app2022 · github.com · ▲475Hi HN! This is a trail companion web app (think AllTrails) I hacked together in a couple weeks time. I was inspired to create this project while training for an extended backpacking trip. My motivation was to create a UI tailored exactly to my liking, and to be able to track my progress along the trail without draining my battery. I also wanted to experiment with PWA technologies. I successfully used it on my five day adventure along the Knobstone Trail in southern Indiana, and even though it's web-based it hardly consumed any battery life on my old first-gen Pixel XL. It's set up currently…
Olaf – Acoustic Fingerprinting on the ESP32 and in the Browser2020 · 0110.be · ▲166Olaf - Acoustic fingerprinting on the ESP32 and in the Browser
More life & fun this month
the category →
A free city-building game in your browser. You are the mayor. You know what the city needs. Now get it past the zoning board, the neighbors, the appeals court and the next election.
Life & fun · 3d ago · permit.petercai.com
- IV
Life & fun · 15d ago · tanzaniaeducationproject.org
Turn a phone, tablet or TV into a sign. Type a message and it fills the screen: welcome signs, timers, Wi-Fi passwords and more. No app, no account, free.
Life & fun · 16d ago · bigwords.page
Play a free virtual guitar online with your keyboard or by touch. Slow songs down and see every chord, string and strum. Acoustic, classic, electric and bass.
Life & fun · 10d ago · guitoro.com
Carrier settings from iPhone, Pixel and Galaxy firmware, decoded and compared: APNs, VoLTE, 5G and Wi-Fi Calling per carrier, and what each build changed.
Life & fun · 14d ago · carrierexplode.com
Life & fun · 24d ago · space.bl2.net
Source: Show HN post ↗
Launched alongside, June 2026
the whole month →
Fundraisly▲1,537AI fundraising agent that finds investors and books meetings
AI · Jun 2026 · fundraisly.com
Homebrew 6.0.0▲1,481Today, I’m proud to announce Homebrew 6.0.0. The most significant changes since 5.1.0 are a new tap trust security mechanism, the new faster, smaller, default internal Homebrew JSON API, sandboxing on Linux, better defaults informed by our user survey, many brew bundle improvements, improved performance and initial support for macOS 27 (Golden Gate). Happy to discuss any questions here!
Dev tools · Jun 2026 · brew.sh
Hi HN! I was super frustrated at apps like tiktok and wechat preventing me from saving or downloading the animated gifs, so I made a little tool to turn a screen recording into a slack-sized emoji. Hope you get some value from this!
Life & fun · Jun 2026 · vorpus.github.io
Search 18 years of Hacker News and chart how any topic, tool, or person trended. Overlay terms to compare their rise and fall across 45M posts and comments.
Life & fun · Jun 2026 · hackernewstrends.com