Finding the Right Hack is Half the Battle
https://hackaday.com/2021/09/18/finding-the-right-hack-is-half-the-battle/

Sometimes you just get lucky. I had a project on my list for a long time, and it was one that I had been putting off for a few months …read more (https://hackaday.com/2021/09/18/finding-the-right-hack-is-half-the-battle/)

Solar Powered Autonomous Tugboat For Rescuing Autonomous Vessels
https://hackaday.com/2021/09/18/solar-powered-autonomous-tugboat-for-rescuing-autonomous-vessels/

[rctestflight] has built several autonomous boats, and with missions becoming longer and more challenging, he bought an inflatable kayak to serve as a dedicated rescue vessel. Instead of relying on …read more (https://hackaday.com/2021/09/18/solar-powered-autonomous-tugboat-for-rescuing-autonomous-vessels/)

Cast-in-Concrete Clock Upgraded After Thirteen Years
https://hackaday.com/2021/09/18/cast-in-concrete-clock-upgraded-after-thirteen-years/

Screen capture from the project’s YouTube video
" data-image-caption="" data-medium-file="https://hackaday.com/wp-content/uploads/2021/09/nix-feature.png?w=400" data-large-file="https://hackaday.com/wp-content/uploads/2021/09/nix-feature.png?w=800">Proving that an old design cast in concrete can indeed be changed, [Hans Jørgen Grimstad] has revisited his Nixie clock from 2008, cleaned up the electronics and packaging, and turned it …read more (https://hackaday.com/2021/09/18/cast-in-concrete-clock-upgraded-after-thirteen-years/)

Line Following Robot uses PID for Speed
https://hackaday.com/2021/09/18/line-following-robot-uses-pid-for-speed/

While a line-following robot may not be the newest project idea in the book, this one from [Edison Science] is a clean build using modern components and gets a good …read more (https://hackaday.com/2021/09/18/line-following-robot-uses-pid-for-speed/)

Dynamicland Makes The Whole Building The Computer
https://hackaday.com/2021/09/18/dynamicland-makes-the-whole-building-the-computer/

Every once is a while a research project comes along that has the potential to totally shake up computing and what it even means to interact with a system. The …read more (https://hackaday.com/2021/09/18/dynamicland-makes-the-whole-building-the-computer/)

We’d Like, Totally Carry This Retro Boombox Cyberdeck on Our Shoulder
https://hackaday.com/2021/09/18/wed-like-totally-carry-this-retro-boombox-cyberdeck-on-our-shoulder/

Cyberdeck. For those of a certain age, the ‘deck’ part conjures visions of tape decks, be they cassette, 8-track, or quarter-inch, and we seriously have to wonder why haven’t seen …read more (https://hackaday.com/2021/09/18/wed-like-totally-carry-this-retro-boombox-cyberdeck-on-our-shoulder/)

Electric “Radial” RC Aircraft Motor
https://hackaday.com/2021/09/19/electric-radial-rc-aircraft-motor/