8-bit Frogger game on a digital microfluidics device

Arduino Team January 29, 2017

OpenDrop V2 is an updated design for an open-source digital microfludics platform, which was initiated by GaudiLabs in Luzern, Switzerland and developed in collaboration with several communities including hackteria | open source biological art, BioFlux and digi.bio. The device is part of a much larger ecosystem focused around digital biology with hopes of making personal lab automation accessible to everyone.

OpenDrop runs on a technology called “electrowetting” to control small droplets of liquids across a special PCB covered with a hydrophobic film. Pads on the PCB are driven to high voltages to attract the droplets, so moving them is simply a matter of controlling which pads are charged.

In terms of specs, OpenDrop features an Arduino Micro, two HV507 high voltage drivers, a 16×8 electrodes array, four buttons, a tiny OLED Display, a WiFi module, LEDs, liquid connection ports, and a micro USB slot.

Potential applications are not only limited to science, but the art, music, gaming and education fields as well. One such example is OpenDropper, an 8-bit video game. See it below!

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An experimental game with a conductive rubber band controller

Arduino Team January 25, 2017

RubberArms is an experimental rubber band game, created by Robin Baumgarten at the Global Game Jam 2017 in Yverdon-les-Bains, Switzerland.

The controller uses a conductive rubber cord from Adafruit that changes resistance as it’s stretched. This resistance is measured by an Arduino Micro/Leonardo (or a Teensy 3.2), which acts as a USB joystick sending signals to Unity3D. (The game is coded in Unity3D using Spring Joints and Line Renderers.)

At this point, the game is a simple prototype where you control the distance of two characters whose arms stretch whenever you stretch the rubber band, throwing little ‘Bleps’ around. You can read more about RubberArms on Baumgarten’s page, as well as his earlier project “Line Wobbler” here.

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The Soda Locker

Arduino Team January 25, 2017

With books being replaced by electronic alternatives and sugary drinks in short supply, this custom locker has come to the rescue.

After a conversation with a few friends about an idea he had for a vending machine that fit entirely inside of a locker, high school student Blake Hawkins decided to actually make it a reality. His setup crams dispensing hardware for two types of highly-caffeinated soda, including an Arduino-connected coin acceptor and a spring to keep the locker closed between sales. The C-shaped cylindrical device that physically doles out the cans is quite clever too.  Read the rest of this entry »

Join Arduino Education at Bett 2017

Arduino Team January 25, 2017

Arduino Education is a worldwide-leading school initiative bringing technology into the hands of teachers and students to create a more inventive learning environment. Arduino will be exhibiting Creative Technologies in the Classroom 101 (CTC 101), the latest addition to its one-of-a-kind STEAM program, at Bett 2017, held January 25-28 in London.

CTC 101 is a modular program consisting of 25 playful, well-documented projects and easy-to-assemble experiments designed to introduce students 13-17 years old to the foundations of programming, electronics, mechanics and robotics. Read the rest of this entry »

Build an automatic cat treat dispenser with Hummingbird

Arduino Team January 25, 2017


The Hummingbird by BirdBrain Technologies is an Arduino AtHeart microcontroller designed to enable beginners to create robots from craft materials. Hummingbird kits include LEDs, motors, and sensors that connect directly to the board. This eliminates the need for soldering or breadboarding and ensures that users have the parts they need to build their first robots. All of the components are reusable, so the same kit can be used to build many different robots.

In addition, the Hummingbird supports a variety of programming options, making it appropriate for beginning programmers as well as those who are more advanced. Some programming languages, such as Scratch and Snap!, can only be used when the board is connected to the computer. We will concentrate here on programming alternatives that enable users to upload a program onto the board’s Arduino.

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uArm Swift is an open-source robotic assistant for your desktop

Arduino Team January 24, 2017

Need a hand? The UFACTORY team has got you covered with the uArm Swift, an open-source robotic assistant for your desktop.

The four-axis uArm Swift is a smaller and sleeker version of the company’s original device from 2014. Based on an Arduino Mega, the robot is capable of lifting 500 grams (1.1 pounds) with a working range of 5 to 32 centimeters (2 to 12.6 inches).

UFACTORY has launched two different models of the consumer-friendly arm on Indiegogo. Whereas the basic model is perfect for beginners and those looking to tinker around with robotics, the Swift Pro is designed for a more experienced Maker crowd with a stronger motor, more precision, and greater versatility. It also boasts position repeatability down to 0.2mm. Read the rest of this entry »

Make your reflex punching bag interactive with Arduino

Arduino Team January 24, 2017

A traditional reflex bag is meant to help improve your punch accuracy and timing. However, Carl Gordon decided to make his a bit more interactive and gamified using an Arduino Uno.

As you can see in the video below, his setup adds four LEDs to the device to tell the user which side of the bag to punch, and an accelerometer to let the Arduino in the base of the stand know when it is actually hit. This means that the person using it has to further work on his or her movement skills, adding a whole new dimension to the workout. Read the rest of this entry »

IR thermometer hacked into an IR camera

Arduino Team January 24, 2017

Using several clever hacking techniques, Niklas Roy can make thermal images using a “simple” thermometer.

True IR (infrared) cameras are still too expensive for many of us, but if you’d just like to know the temperature of something at a distance, IR thermometers aren’t that costly. In theory, if you were to take readings in a grid, color code them, and overlay these readings on an image, you would have a manual IR picture. If you can accomplish this manually, the obvious next step is, why can’t a computer? Read the rest of this entry »

Bookcase automatically opens to reveal secret lair

Arduino Team January 23, 2017

A secret lair isn’t much fun if it’s a pain to get into, so Instructables user SPECTREcat decided to automate his hidden doors using an Arduino Uno. This drives four linear actuators via a MultiMoto shield, which both pull and turn the bookshelf in such a way that the books stay in place.

When opening, the doors first pull apart with one set of actuators, then turn with the other two to allow enough space for a person to pass through. Instead of drilling a hole through the maple plywood shelves, SPECTREcat chose to use a reed switch that’s activated on the other side by a magnet taped inside a DVD cover. Read the rest of this entry »

Dot² isn’t your typical coffee table

Arduino Team January 20, 2017

Coffee tables are useful for putting coffee, food, or perhaps way too much junk on, but it’s 2017—we can do better than that! Akshay Baweja certainly has at least with Dot², an interactive piece of furniture that can run animations, display lighting effects, and play old-school games.

The Arduino Mega-based table features a matrix of 296 LEDs that shine up through sections of diffused acrylic, and uses a grid of foam board strips to keep each light in a square. Dot² can be controlled either by a PC running GLEDIATOR software, or via a smartphone using a Bluetooth connection and its own custom app. Read the rest of this entry »

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