Measuring air flow in an HVAC duct can be a tricky business. Paddle wheel and turbine flow meters introduce not only resistance but maintenance issue due to accumulated dust and debris. Being able …

Home automation: for me the term recalls rich dudes in the ’80s who could turn off their garage lights with remote-control pads. The stereotype for that era was the more buttons your system had—eve…

We just spent a few hours trying to figure out Japanese techno-performance-art-toy company [Maywa Denki]. As self-described “parallel-world electricians”, the small art collective turns…

Crowdfunding is a mixed bag, at best. On one hand, you have fantastically successful products like Pebble, Oculus, and the Kano personal computer that managed to take in money, turn out a product, …

I can’t help but wonder how long it will be before the movie title  “Dial M for Murder” becomes mysterious to most of the population. After all, who has seen a dial phone lately? …

Samy Kamkar has an incredible arsenal of self-taught skills that have grown into a remarkable career as a security researcher. He dropped out of high school to found a company based on Open Source …

There are a few very popular irrigation systems entered into this year’s Hackaday Prize. In fact, last year’s winner for the Best Product portion of the Prize was the Vinduino, a soil m…

So Hackaday loves fidget spinners and we don’t care who knows it. Apparently so does [Jeremy S Cook], who decided to mash up a spinner and a cheap quadcopter. To what end? Is that even a question? …

Designing and 3D-printing parts for a robot with a specific purpose is generally more efficient than producing one with a general functionality — and even then it can still take some time. Wh…

[Lucid Science] shows us how to make some simple reed switches. Reed switches are simple components that detect a magnetic field and can close or open a circuit once detected. While not really a th…

Most component testers require removal of a component to test it. [Mr Carlson] recently restored an old Paco C-25 in-circuit capacitor tester. He does a very complete video tearing it down and show…

The chassis of a toy robot serves as the base of a robot built by [Jean Noel]. Called #PobDuino, the robot features two Arduino-compatible boards under the hood. First, a Seeeduino Lotus, a Arduino…

As conductive ink becomes readily available and in greater varieties, we’re starting to see some intriguing applications. [Marion Pinaffo] and [Raphaël Pluviange] created a book of papercraft…

Telepresence robots are now a reality, you can wheel around the office and talk to people, join a meeting, see stuff and bump into your colleagues. But imagine if telepresence were applied to deep …

Every good dog is deserving of a treat. [Eliasbakken]’s dog [Moby] is a certified good boy,  so he designed a dispenser with a touchscreen that his dog can boop to treat himself when he isn&#…

DEF CON is starting right now, and this is the year of #badgelife. For the last few years, independent hardware wizards have been creating and selling their own unofficial badges at DEF CON, but th…

It had to come to this. For his entry into this year’s Hackaday Prize, [Sean Hodgins] created a persistence of vision fidget spinner. This isn’t just any PoV fidget spinner — this…

[Xose Pérez] set out to make a sundial wristwatch by combining a magnetometer a small nylon bolt for the gnomon, but it doesn’t work like you’d think. Instead of using the magnetometer …

How strong can you make a 3D-printed gearbox. Would you believe strong enough to lift an anvil? [Gear Down For What?] likes testing the limits of 3D printed gearboxes. Honestly, we’re amazed.…

What do you do if you have a pair of input device peripherals for your computer, but they are from different manufacturers and thus not available as a single unit? If you are [Marco van Nieuwenhove…