surfsonar
A hobbyist write-up on embedding a sonar depth sensor into a surfboard, with ingredients, build steps, photos, and an honest look at whether it works.
No account needed · sign in to keep your taste everywhere
More like this
Pages that share surfsonar's themes. Or browse all of Science.
Repurpose Your Old Kindle
A hobby project that hacks an old Kindle e-reader into an always-on display showing live bus arrival times, with the ste…
The HarmoNESica
A step-by-step photo walkthrough of gutting an old NES game cartridge and fitting a working harmonica inside it, written…
Hosting a Website on a Disposable Vape
A hardware tinkerer discovers a capable ARM chip inside a discarded disposable vape and turns it into a tiny working web…
Experiments on a $50 DIY Air Purifier
A hands-on experiment that builds a box-fan air purifier in 30 seconds, fills a room with smoke and measures particle co…
PinDIY
A large collection of free knitting, crochet, and cross stitch patterns gathered from designers around the web, free to…
GoldenLucyCrafts
A crafter's blog of free crochet patterns, craft ideas and favorite recipes, shared by a self-described lover of making…
Stumble onto more like this
One click takes you to a page you didn't know you were looking for. Rate it and the next one lands closer to your taste.
Add to Browser — it's freeWorks in Chrome, Edge and Brave. No account needed.