This DIY machine mixes your favorite three-ingredient cocktail

This DIY machine mixes your favorite three-ingredient cocktail

Do you and your friends have a favorite cocktail? If so—and if it has three ingredients—then this Arduino-based cocktail machine from YouTuber “GreatScott!” may be worth checking out.

The device is capable of mixing three liquids, which in GreatScott’s case consist of vodka, cranberry juice, and grapefruit juice (also known as a Sea Breeze), in a drink size selected via a rotary encoder and LCD screen.

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Create a beat by nodding your head

Create a beat by nodding your head

If you are really enjoying a song, you may start to bob your head to the tunes, but what if you could instead create actual music with this subtle movement? That’s exactly what Andrew Lee’s “Nod Bang” system accomplishes.

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A chronograph rig for high-speed glass photography

A chronograph rig for high-speed glass photography

To capture images of bullets “interacting” with various objects, photographic hacker Tyler Gerritsen created an impressive chronograph rig, able to measure the speed of a bullet launched from a rifle at 1000 meters per second.

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Intelli-Buoy gathers water data

Intelli-Buoy gathers water data

Water is essential to life on earth, and making sure our rivers and lakes are free from pollution is therefore quite important. For environmental monitoring, students from Bergen County Academics Magnet High School have come up with the Intelli-Buoy system that can track water turbidity, pH, oxygen, and temperature levels for analysis.

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Create the smart home gadget of the future with Alexa and Arduino

Create the smart home gadget of the future with Alexa and Arduino

 

We’re excited to announce a new challenge with Amazon Alexa and Hackster.io, which invites the Arduino community to design the smart home gadgets of the future.

Makers have already come up with exciting ways to integrate Alexa and Arduino into their projects, from talking teddy bears and singing animatronic fish, to voice-controlled blinds and holiday decorations, to robotic coffee machines and drink mixers.

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Building an 8-step keyboard sequencer with Arduino

Building an 8-step keyboard sequencer with Arduino

Sequencers, as YouTuber “LOOK MUM NO COMPUTER” explains, are musical devices that go through a sequence of tones one by one. While this can be done quite simply with a 4017 counter chip, if you instead substitute in an Arduino board for the counter, you can make your gadget behave normally, go backwards, or even act as a sort of keyboard using input buttons.

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DIY vending machine with Arduino

DIY vending machine with Arduino

 

Have you ever wanted a vending machine for snacks but didn’t know where to start? With an Arduino Mega, some motors, and an infrared sensor to detect coins, Dejan Nedelkovski decided to build his own using only hand tools.

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An excellent two-sided UV exposure box

An excellent two-sided UV exposure box

If you want to make your own custom PCBs at home, one method is to paint a circuit board blank with photosensitive material, then expose the portion you don’t want to UV light using a printed transparency.

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Star Wars fan builds an Arduino-powered R4-P17 replica

Star Wars fan builds an Arduino-powered R4-P17 replica

Alejandro Clavijo, together with his father Jerónimo, spent two years building the first official fan-made model of the R4-P17 Star Wars droid. For those not familiar with this family of droids, R4-P17 was the robot companion to the young Obi-Wan Kenobi.

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Desafío STEM + Arduino Podcast [Español]

Desafío STEM + Arduino Podcast [Español]

Con el fin de apoyar a los nuevos participantes del Desafío STEM 2017, Arduino y Telefónica se han unido para crear una serie de tres podcast, abiertos al público en general, conducidos por David Cuartielles.

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