Cold brew coffee in under 3 minutes? Ultrasound makes it possible

Downing a freshly brewed cup of coffee in the morning can be vital for facing the day ahead, but what if you had to wait up to a day to get your caffeine hit? That’s on the menu if you like your Joe brewed cold, but researchers have now managed to cold… Continue reading Cold brew coffee in under 3 minutes? Ultrasound makes it possible

Cold-brew coffee maker brews, stores and pours – and looks cool while doing it

Nitro-infusion cold-brew is a big thing among coffee aficionados, but most of us need to go to a specialist coffee shop to get our fix, and it’s not what you’d call cheap. So GrowlerWerks – hot on the heals of its successful launch of the uKe… Continue reading Cold-brew coffee maker brews, stores and pours – and looks cool while doing it

Alexa Robot Coffee Maker Brews Coffee, Speaks For Itself

To keep hackers fueled and hacking, why not hack a coffee maker into a coffee brewing robot? [Carter Hurd] and [David Frank] did just that at The Ohio State’s Hack OHI/O 24 hour Hackathon. They even won the “Best Hardware Hack”. The video below shows it in action but the guys sent us some extra details on how it’s made.

To give it a voice they put Alexa on a Raspberry Pi. Using an audio splitter they have the voice go both to a speaker and to an Arduino. The Arduino then uses the amplitude of the audio signal’s positive …read more

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Hacklet 120 – Coffee Hacks

Hackers need fuel to hack. In general that fuel comes in the form of food, water, and caffeine. Not necessarily in that order. While soda or energy drinks will do in a pinch, the best hackers know that the purest form of caffeine comes from coffee. This of course means that there have been decades of coffee hacks. The first Internet-connected coffee pot dates all way back to 1991, before the web even had pictures. We’ve come a long way since then. This week on the Hacklet we’re checking out some of the best coffee hacks on Hackaday.io!

We start …read more

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