A couple of years ago inventor Steve Hoefer wrote a how-to project for MAKE called the Secret Knock Gumball Machine. You record a special knock pattern by rapping your knuckles against the case. After that, only people who enter the correct knock pattern get a gumball.
Recently Steve made a Secret Knock Drawer Lock and wrote a tutorial for Adafrut’s learning site.
Steve remarks, "I’ve built this project a dozen times and every single time I finish it, it makes me incredibly happy to see it work. Even though I know every detail of it, it still feels a little bit magical." Indeed!
Below, a video of the lock in action.
D10D3 built this “cyberdeck” on a C64c (a modern recreation of the Commmodore 64) with a Raspberry Pi CPU, VGA port, and all the I/O you could ask for (USB/Bluetooth/wifi/Ethernet).
Australian libraries and games guy Matt Finch (previously) writes, “This year the Queensland State Library has designed and built a drag and drop comic maker for Fun Palaces and released the code on Github too.
Mylan, the company with a monopoly on FDA-improved epinephrine auto-injectors (“epipens”) has quintupled the price of their life-saving technology since 2004, to $600/unit (and they have the be thrown out and replaced every year); for this, Mylan CEO Heather Bresch (daughter of US senator Joe Manchin, who secured her initial job interview through political connections […]
If you own a dog, you’ve most likely heard of BarkBox – the monthly subscription box for dogs. What started as a simple idea to try out the subscription model on pet owners has since developed a cult following of dog lovers. If you haven’t given it a try yet, this one month free deal is the […]
With the iPhone headphone jack having gone by the wayside, we’re excited about the addition of the FRANKLIN Bluetooth Headphones in our store. These headphones are foldable so they’re easy to carry around, but most importantly, they pack impressive sound. Our biggest struggle with Bluetooth headphones is the worry of them dying at the worst moment. This pair lasts an impressive 8-10 […]
Evan Kimbrell, founder of the digital agency Sprintkick, recently released a series of online courses that feature some of the best advice we’ve come across. These courses are well worth your time, and will save you from making many typical mistakes down the line if you ever want to start your own business.With this Business […]