
QBell
On a mission to upgrade the world's front doors.
QBell launched on July 14, 2022 with 4 votes, #1,232 of 2,937 launches that month.
What it does
QBell instantly upgrades any front door with our patent pending wireless QR code doorbell technology.
Does a similar job
all alternatives →
- IBI built an app to use a QR code as my doorbell2024 · dingdongdoorbell.com · ▲140
I didn’t have a doorbell before (multiple reasons) and my house feels unwelcoming without one. So I built a doorbell app that uses a QR code - visitors scan the QR code to ring the doorbell and I get notified on my phone. Here is an example of the QR code I have on my door. You can scan it and say hello: https://www.thebacklog.net/img/2024/10/show-hn.png This was also a great excuse to build my first app for Android and iPhone. I’d love to get some feedback before I spend more time polishing the app. Please try it out and feel free to ask me any questions! No…




More life & fun this month
the category →- TL
Life & fun · 15d ago · louisabraham.github.io
- WI
Special relativity simulator in which light crawls along at a human speed, so Lorentz contraction, aberration and Doppler shift happen at walking pace.
Life & fun · 1d ago · rivendell.dmitrybrant.com


9 major streaming services cost $95.91/mo in 2021-03 and $154.41/mo today — up 61%, or $702 a year. Every change sourced.
Life & fun · 20h ago · honestlyranked.com


Source: Product Hunt launch ↗
Launched alongside, July 2022
the whole month →
- PO
Life & fun · 2022 · justine.lol
- PO
Dev tools · 2022 · github.com

- PP
Hello, HN - I wanted to share this puzzle game I made during my vacation. I'm rather fond of the pipes puzzle where your goal is to restore a scrambled network of connections by rotating tiles. It's usually played on a grid of squares and this all started when I decided to make a programmatic solver for that kind of puzzle. Then I realized that with some minor changes the solver could generate new puzzle instances. I thought about what kind of puzzle to make and someone suggested a hexagonal grid. Adapting the generator wasn't too hard but then I had to create a way to play this variant. So…
Life & fun · 2022 · hexapipes.vercel.app
- PD
We're building Parsnip to create a "tech tree" of cooking skills that allows anyone to level up on the building blocks of cooking knowledge while tracking their progress over time. It took us a few iterations to figure out the right product; here's the story of our latest pivot: [https://parsnip.substack.com/p/a-new-hope] The goal is to create a personalized way to learn any recipe on the Internet, then use this as a springboard to help home cooks of all levels solve the problem of repeated meal planning in a 10x better way:…
Work · 2022 · parsnip.ai