Play digital music on this analog interface

Arduino Team January 4, 2017

“I’m a big fan of digital music, especially Spotify. The ability to dial-up a much loved song I’ve not heard for ages or discover new music are just some of the benefits I never tire of,” writes UK-based designer Brendan Dawes. “Yet the lack of physicality to this digital medium has always left me wanting. I still own vinyl and a turntable and I love the ritual of physically flicking through what to place on the platter and then wait for the needle to drop on the spinning vinyl.”

To bridge the gap between the digital and analog worlds, Dawes decided to create what he calls the “Plastic Player.” The playful interface features a Raspberry Pi running Pi MusicBox connected to his 50-year-old B&O stereo, and an Arduino Yún with an NFC shield.

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Build an FM radio with an Arduino and other spare parts

Arduino Team January 4, 2017

After not having an FM radio to listen to NPR, electrical engineer Kevin Darrah decided to build his own from spare parts.

Like many electronics hackers, Darrah tends to buy random components off of eBay. After all, you may need them at some point, and while cheap, sometimes they take a very long time to arrive. Unlike many of us, however, he actually found a use for several of these items, turning them into an FM radio controlled by an Arduino. Read the rest of this entry »

Make your own 3D-printed sonic tractor beam with Arduino

Arduino Team January 3, 2017

From magic to science, man has long dreamed about being able to manipulate objects from a distance. People have been able to push something using air or even sound waves for a while, but University of Bristol researcher Asier Marzo and colleagues have come up with a 3D-printable device that can not only repel small items, but can also attract them to the source.

It does this using an array of sound transducers arranged in a dome shape at the end of a wand. The acoustic tractor beam is also equipped with an Arduino Nano, a motor controller board, a DC-DC converter, and a LiPo battery, among some other easily accessible components.

Basically, an Arduino will generate 4 half-square signals at 5Vpp 40kHz with different phases. These signals get amplified to 25Vpp by the motor driver and fed into the transducers. A button pad can be used to change the phases so that the particle moves up and down. A battery (7.3V) powers the Arduino and the logic part of the motor driver. A DC-DC converter steps-up the 7.3V to 25V for the motor driver.

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Measure a magnet’s strength with this DIY Gauss Meter

Arduino Team January 3, 2017

You may know that a neodymium magnet is more powerful than something you usually find on a refrigerator, but by how much?

Most people, even those willing to harvest magnets from disk drives, accept that some magnets are stronger than others. This, however, wasn’t quite good enough for Anthony Garofalo, who instead converted a prototype voltmeter he made using an Arduino Uno and a tiny OLED screen into something that displays the magnetic, or Gauss level. It also shows whether it’s observing the north or south pole of the magnet, which certainly could be useful in some situations. Read the rest of this entry »

This 3D-printed bionic hand can replace or support a limb

Arduino Team January 2, 2017

3D-printed appendages are, as one might suspect, generally meant for those that are missing a limb. Moreover, there are many other people that might retain partial functionality of a hand, but could still use assistance.

Youbionic’s beautifully 3D-printed, myoelectric prosthesis is envisioned for either application, capable of being controlled by muscle contraction as if it were a real body part.

As seen in the video below, the Youbionic hand can manipulate many different items, including a small box, a water bottle, and a set of keys. Functionality aside, the movement is extremely fluid and the smooth black finish really makes it look great.

The device is currently equipped with an Arduino Micro, servos, various sensors, a battery pack, and a few switches. Even the breadboard appears to be very neat, though one would suspect the final version will use some sort of PCB.

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Bett 2017: Call for volunteers in London!

Arduino Team January 2, 2017

Arduino Education empowers educators with the necessary hardware and software tools to create more hands-on, innovative learning experience.

Later this month, we’ll be exhibiting our latest STEAM program for upper secondary education at Bett 2017 in London: CTC 101 – Creative Technology in the Classroom 101.

We’re looking for volunteers to join our team during the event, from staffing tables and displays, to helping with one-on-one demos, to providing technical assistance. Water and snacks will be provided, of course, and we’ve even prepared a small gift to show our appreciation at the end of your shift! Read the rest of this entry »

RooBee One is an open-source SLA/DLP 3D printer

Arduino Team January 2, 2017

Aldric Negrier, a Portuguese Maker and owner of RepRap Algarve, has created an SLA 3D printer named RooBee One.

Most desktop 3D printers that you’ll see in Makerspaces or advertised for home use drop material onto a bed using a hot extrusion head. The open-source RooBee One, however, employs a DLP projector along with an Arduino Mega to light up each layer in a vat of resin. This causes each layer to solidify, thus making a complete object. You can see this process at around 0:30 in the video below. Read the rest of this entry »

New IDE for all Arduino boards!

Arduino Team December 23, 2016

Following the announcement at this year’s World Maker Faire, we’re excited to reveal the release of Arduino IDE 1.8.0—the new official desktop editor for all Arduino boards, both .org and .cc alike.

This should come as great news to the entire Arduino community, representing a key milestone in our journey moving forward.

You will now be able to use the desktop IDE 1.8.0 when working with any Arduino board from .org or .cc family. The latest and greatest unified Arduino Software can be downloaded here.

Arduino IDE 1.8.0 works out of the box with AVR boards, like the Uno, Mega, Yun, and Micro, among the most popular. Additionally, it supports the Leonardo Ethernet, Yun Mini, Industrial 101, and Uno WiFi.

The updated SAMD core will provide support for the M0 and M0 PRO, completing the product line that includes the Zero, MKR1000, and the newly-launched Primo and MKRZero. Read the rest of this entry »

A DIY hexagonal Bluetooth speaker with sound-reactive LEDs

Arduino Team December 23, 2016

Imgur user Peter Clough recently created his own colorful “Magic Box” Bluetooth speaker assembly with a NeoPixel visual display.

If you need a speaker (or rather a speaker with an enclosure) the easiest way is usually to just buy one. On the other hand, if you want something really awesome and unique, why not build it yourself? Clough did just that using an Arduino Pro Mini and a Bluetooth receiver along with a strip of programmable LEDs that react to the emitted sounds–made possible by an electret microphone amp. Read the rest of this entry »

Hack your Teddy Ruxpin with Arduino, Raspberry Pi and Alexa

Arduino Team December 22, 2016

If you had a Teddy Ruxpin in the ’80s and ’90s, you probably remember inserting special tapes and hearing him read stories to you. Whether you loved or hated the little bear, it was hard to forget his weirdly moving mouth and eyes. Today though, with small and cheap development boards readily available, this mechanical system is just begging for a retrofit.

In this project, hacker “Tinkernut” employed an Arduino to sense the intensity of a sound input, and in turn used it to allow Ruxpin to lip sync to any audio source. This could be a song, story, or even output from a virtual assistant. Read the rest of this entry »

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