Programmable-Air is an Arduino Nano-based pneumatics kit
Arduino Team — May 1st, 2019
Arduino boards have been employed in all sorts of robotics and IoT applications, although working with air as a power source is less than straightforward. In order to make this experience easier, the Programmable-Air pneumatics kit puts everything you need for simple air power experimentation into one package.
It features pressure and vacuum pumps, as well as pneumatic valves and a pressure sensor. An Arduino Nano is implemented as the controller, and a custom library is available here, so programming should be a snap.
Programmable-Air has a built-in high-pressure pump, vacuum pump, pneumatic valves, pressure sensor, and an Arduino Nano. The output from Programmable-Air is a single tube that goes into your soft robot or pneumatic actuator. By controlling the motors and valves, you can push air in or out of the actuator, or let it exchange air with the atmosphere. All the while you get feedback about the state of the actuator through the pressure sensor.
This device is a digital level, protractor, ruler, and roll measure all in one
Arduino Team — April 30th, 2019
When you need to take a measurement for a project, there are a wide variety of off-the-shelf devices available. Or you can make one exactly to your specs, like Patrick Panikulam did with his “Digital Multi-Function Measuring Tool.”
This Arduino-controlled gadget employs an MPU-6050 accelerometer / gyroscope that lets it act as a 2D level, as well as a digital protractor after zeroing it at a starting point. The unit also features straight-line measurement capabilities via an IR distance sensor, and even has an encoder/wheel that can measure rolled distance when that isn’t convenient.
Power is provided by a rechargeable battery, and the entire thing is packaged in a nice wood and carbon fiber facade. Check out the demo video below, or you can find more details on how to build your own here.
Off-the-shelf remote-controlled cars can be a lot of fun, but Clem decided to take things up several levels with his heavily modified rig.
In the hack shown below, he outfitted an RC vehicle from the ’80s with an FPV camera, along with a MKR WiFi 1010. The WiFi-enabled MKR board was linked with a second ‘1010, controlled by a (formerly) broken PS1 racing wheel.
While old technology, this racing wheel is perfect for Arduino use, with steering, brake, and gas handled by potentiometers that are fed into analog inputs. The 2.4 GHz WiFi link between the MKR boards appears to work quite well when driving with an FPV headset, though “somehow” a wheel on the original car did manage to fall off during testing!
Clem scored a broken steering wheel for the PlayStation 1 (yes the first one) at a flea market. Thankfully it is broken so he decided to turn it into an RC transmitter for his old Remote controlled Car! Learn how to use the Arduino MKR WiFi 1010 to make your own transmitter and receiver from scratch! It even supports FPV head tracking! What features would you like to add into the system?
See how fast you can run a 100m dash with this Arduino timer
Arduino Team — April 27th, 2019
Nikodem Bartnik enjoys running, as well as making things, and he’s been able to combine both pursuits in the form of an ultrasonic race timer.
The device is placed at the finish line and mounted to a tripod. Once a runner gets into position, the start of the sprint is signaled with the beep of a small speaker.
Everything is controlled by an Arduino Nano, while user feedback is provided via a small ePaper display. A pair of buttons also enable the runner to adjust the distance from 50m to 1km.
Although Bartnik is still no Usain Bolt, he’s planning to practice and hopefully improve his 100m dash time. Code is available on GitHub if you’d like to build something similar, along with 3D print files for the enclosure on Thingiverse.
Scan objects in 3D with this Arduino-controlled photogrammetry rig
Arduino Team — April 25th, 2019
Pictures can be a great way to record an object or project, but typically only does so in one perspective. In order to capture things in three dimensions, you’ll need to be able to snap multiple photos and stitch them together with software.
To take all the photos required for this process, “thomas_openscan” has come up with an automated device that rotates the object as needed, allowing him to capture images using a DSLR camera or even smartphone.
An early prototype is shown here, which actually moves a phone around the scanned object. The later, more refined version manipulates the object itself using an Arduino Nano and a pair of drivers to control a pair of bipolar stepper motors.
More information is available here and over on Thingiverse, and can be purchased or built depending on your needs.
Capture cinematic shots with this object-tracking camera slider
Arduino Team — April 23rd, 2019
When filming your projects—or day-to-day life—static shots can be fun, but having a moving perspective often looks even better. The challenge is keeping the camera pointed at your subject, which maker Saral Tayal addresses with his automated slider.
This Arduino Uno-controlled slider is powered by a pair of brushed DC motors with encoders attached for feedback. One pulls the camera along a pair of rails on a set of linear bearings, while the other adjusts the camera’s horizontal angle using trigonometry to keep a particular object in-frame.
Code and print files are available in Tayal’s write-up, and some beautiful resulting shots with an explanation of the project can be seen in the video below.
Rudimentary ultrasound machine made with Arduino Due
Arduino Team — April 19th, 2019
Ultrasound images are an important tool for medical diagnosis, and while units used by doctors can be very expensive, getting a basic image doesn’t have to be. Inspired by this attempt at a $500 ultrasound machine seen here, maker “stoppi71” decided to create his own using a 5 MHz ultrasound transducer via a paint-thickness gauge.
An Arduino Due provides computing power to turn sound pulses into images, while a 3.5-inch TFT display shows what it’s examining. Short pulses in the 100-200 nanosecond range are generated with the help of a monoflop and MOSFET, returning an echo corresponding to what it’s “looking” at.
Although the results are not nearly what you’d expect at the doctor’s office, rudimentary readings of skin and bone are definitely visible.
I’ve examined different objects from aluminum-cylinders over water-filled balloons to my body. To see body-echos the amplification of the signals must be very high. For the aluminum-cylinders a lower amplification is needed. When you look at the pictures you can clearly see the echoes from the skin and my bone.
So what can I say about the success or failure of this project. It is possible to look inside the body with such simple methods and using parts, which aren’t commonly intended for that purpose. But these factors are limiting the results too. You don’t get such clear and well structured pictures compared with commercial solutions.
This drink machine pours, slices, and dispenses mint!
Arduino Team — April 18th, 2019
Automated cocktail machines can be fun projects, but this device by CamdenS5 takes things to a whole new level. Not only can it pour liquids from multiple bottles, but it chops limes, dispenses sugar and mint, and even features a refrigerated compartment to keep ingredients at the appropriate temperature.
An Arduino Mega along with an Uno are employed for control, while user interface is provided by an Android tablet affixed to the front of the assembly.
There’s a lot going on mechanically inside, including a linear actuator for chopping, and augers that dole out mint/sugar as needed.
Details on the build are available here, with code/files ready for download, and an interactive Fusion 360 model that you can manipulate in your browser.
Back on Arduino Day, we announced the winners of the Arduino Day Community Challenge, awarding the best community projects and their impact on the local and global community.
The contest collected more than 120 projects from all over the world, broken down into seven different categories: home automation, social innovation, kids and education, environment and space, robotics, audio and visual arts, small scale manufacturing, and startups.
With this blog post, we want to inaugurate a series where we learn more about each of the winning entries. The first project highlighted is Andruino, the best submission from the ‘home automation’ category. Prototyped in Palermo (Italy) by Andrea Scavuzzo, Andruino is an Arduino-based smart home system that enables users to control the devices around their house in real-time via an accompanying app, the AndruinoApp.
What’s the project about?
‘The Andruino ecosystem is based on the AndruinoApp and a number of Arduino-compatible nodes (e.g. Arduino Mega, NodeMCU, ESP8266 or STM32 Nucleo boards). Once the hardware is configured with the AndruinoApp, users will be able to communicate with their nodes (over a proprietary IoT infrastructure), checking their status, and controlling the devices in real-time. For instance, with Andruino you can control the room temperature, the humidity, and check if your door is locked all in an instant via your phone. Moreover, you can also record the data and create graphs to analyse consumption around your home to make it more efficient.’
What inspired you to develop this project?
With my phone in my hands, I thought that my mobile device was the best interface for my Arduino.
What is the impact of Andruino on the local/global community?
I have created an easy to use, open-source and inexpensive remote control system for the home… almost everyone can benefit from it.
What are the next developments for your project?
I want to prototype ‘Garagino,’ a remote control system for my garage.
While much less common than quadcopters or airplanes, if you want a device that truly soars like a bird, you need an ornithopter. To help others make their own flying contraption, YouTuber Amperka Cyber Couch is outlining the build process in a video series starting with the one seen below.
Construction is also very well documented in his project write-up, and a clip of it in-flight can be found here. The bionic ‘bird’ uses a BLDC/ESC combination to turn a gearbox that flaps its wings, and an onboard Arduino Nano for control.
Communication is via an MBee 868 wireless module, which links up to an Arduino Uno base station that provides its user interface.
Keytars may have had their moment of popularity in the 1980s, but instruments of the day can’t hold a candle to “The Blade” by makers Sam Wray, Siddharth Vadgama, and Greig Stewart.
The musical device feeds signals from a pair of Guitar Hero necks, along with a stripped down keytar from Rock Band, into an Arduino Mega. This data is then sent to a Raspberry Pi running PD Extended, and is used to control a pair of Game Boys to produce distinct 8-bit sounds. Audio output can be further modified with a Leap Motion sensor embedded in one of the two necks.
What makes up The Blade?
– 3D-printed housing
We custom modeled and printed a housing for the instrument to ensure it would be ergonomic to wield, hold together with all the components, and also look badass.
– Two Guitar Hero necks
The necks, hacked off a couple of old Guitar Hero controllers, were totally rewired to output the button presses to jumper cables.
– Arduino Mega
All the wiring from the Guitar Hero necks fed into the Mega, which then registered the button presses and output appropriate MIDI signals over USB serial into the Raspberry Pi.
– Rock Band keytar
We stripped this down to the bare keyboard and had the MIDI also going into the Pi.
– Raspberry Pi
Taking in all the MIDI, and running PD Extended we got this to manage and re-map all the button presses we needed. This then output to a MIDI thru box.
– Arduino Boy
This fed the MIDI signals from the thru box into the Game Boy.
– Game Boy
These were heart. With MIDI fed in from a multitude of sources, the Game Boy, running mGB, was the synthesizing the signals into sound, output via a standard 3.5mm jack.
– Leap Motion The Leap Motion was used for further sound modulation.
While having a huge workshop with every tool imaginable is ideal, if you have limited funds and/or space, then Mark Miller’s gantry-style machine could be just the thing you need.
In this setup, the workpiece moves via a stepper motor and a rod system on the bottom, while top support rods accommodate interchangeable tooling.
Tools compatible with the machine (so far) include a 10 watt laser, marker, knife for stencil carving, and a motor/router bit combo for light milling operations. An Arduino is employed for control, while user interface is provided by a series of buttons and a joystick.
Miller even wrote custom software to transform CAD files into sketches that can be directly loaded onto the machine.
When you see a vacuum cleaner, most people see a useful implement to keep their carpets clean. James Bruton, however, envisioned another use—as a musical instrument. His new project, which made its appearance this year on April Fools’ Day, sucks air through 12 recorders, allowing it to play a full octave and the melody and lead from “Africa” by Toto… or so he’d have you believe!
In reality, power for his instrument comes from a separate Henry Hoover in another room, blowing air through the normally-suction tube of the broken device on the screen. An Arduino Mega, along with a MIDI shield, enables it to open and close air lines to each of the 12 recorders as needed.
Check out how it was made in the first video below and the original fake in the second.
Your leather jacket might look cool, but one thing it’s missing—unless you’re maker “abetusk” or perhaps a Japanese musician—is lasers!
After seeing Yoshii Kazuya’s laser-spiked outfit, ‘tusk decided to create an excellent version of the getup by embedding 128 laser diodes embedded in his own jacket. These lasers are powered by an Arduino Nano, along with a pair of I2C PWM output boards, allowing them to be switched in sets of four.
The lasers can be controlled either by joystick, via a microphone in order to react to sound, or in a looping ‘twinkle’ pattern.
More information on the project is available in this write-up as well as on GitHub, which includes Arduino code and other files needed to build your own.
After seeing Wei Chieh Shi’s laser jacket design, I wanted to create my own. These instructions show how to modify a jacket to add laser diodes and control them electronically to produce different laser light patterns. The laser diodes give the jacket an appearance of being “spiky”, like having metal spikes but with red laser light. The effect is especially striking in environments with fog or smoke as the laser light path shows a trail from where it originates.
The concept and execution is relatively simple but care has to be taken to make sure that the electronics, wiring and other aspects of the jacket don’t fail when in use. Much of the subtlety and complexity of the project is providing proper wire routing and making sure that strain relief for the electronics and connections is provided so that it’s resilient under normal wear.
Assuming the basic parts are available (soldering iron, multimeter, wire strippers, laser cutter, etc.) I would estimate that this project is about $300 in raw materials and about 20 hours worth of labor.
Depending on the battery used, the jacket can operate for about an hour or two continuously. Spare batteries can be carried around and used to replace the depleted batteries if need be.
This incredible word clock is controlled by 114 servos
Arduino Team — April 8th, 2019
Word clocks normally use an array of lights to show the time, and although this project does use lights, how it works is much different than others.
LEDs for the device are hidden behind a thin layer of PVC, while 114 tiny SG90 servos move the lights and their 3D-printed frames back and forth. The result is a stunning display where the time is spelled out by the appropriate characters. These progressively come into focus, setting them apart from inactive letters which appear to fade into the background.
An Arduino Nano drives the assembly, along with an infrared controller setup and an RTC module for accurate timekeeping. A demo can be seen in the first video below, and the very involved build process is highlighted in the second clip.
What has 114 LEDs and is always running? As you may know the answer is a word clock. What has 114 LEDs + 114 servos and is always moving? The answer is this servo controlled word clock.
For this project I teamed up with a friend of mine which turned out to be a must because of the large effort of this build. In addition, my electronic and his mechanical skillset complemented each other quite well. The idea for this adaptation of the popular word clock came to us while we were making a regular one as Christmas gift. There, we noticed that it is also possible to project the letters from the back onto a white sheet of paper. At the time this was only a workaround solution to hide our crappy craftsmanship since we ended up with a lot of bubbles while attaching a vinyl sticker with the letters to the back of a glass plate. We then noticed that one can achieve interesting effects when bending the sheet of paper since the letters change size and become blurred. This made us come up with the idea to make a word clock where the letters are projected from the back onto a screen and can be moved back and forth to change the size of the projected image. At first we were a bit reluctant to build this project because of the costs and effort it takes when you want to move each of the 114 letters individually. So we tossed with the idea to make a version where just every word that is used to display the time can be moved back and forth. However, after seeing that the Epilog contest was coming up on Instructables asking for epic projects, and also after finding relatively cheap servo motors, we decided to go all the way and make a proper version where each letter is individually controlled by a servo
Good luck to OKdo, a brand new global technology company in the microcontroller and IoT space
Arduino Team — April 8th, 2019
OKdo’s focus is to create an ‘outstanding’ experience for all microcontroller and IoT customers, whatever their background, goals and ambitions. Bringing them the latest products, solutions and ideas to inspire and enable them to create technology that makes life better.
Visit OKdo’s new website to see the Arduino-based inspirational Industrial case study where Fluid Intelligence’s oil performance monitoring service enables industrial customers in the Logistics, Pulp & Paper, Manufacturing, Chemical and Energy sectors to maximise their operational reliability and reduce the waste generated by up to 50%.
“We’re excited to be partnering with OKdo. With our roots in open source, Arduino has transformed into a company that serves professional designers by providing complete IoT platforms, as well as continuing to enable students, educators and makers to innovate by making complex technology simple to use. There are a lot of enterprises that need simple and secure technology for adding connectivity to their devices, together, Arduino and OKdo can make that happen,” explained Massimo Banzi, CTO and Co-founder of Arduino.
“At OKdo we’re excited to work with Arduino to help them meet their objectives and grow their business. We support makers, entrepreneurs, start-ups and global businesses turn their visions into reality. Like Arduino, the philosophy behind OKdo is to put technology in the hands of those who have the biggest potential. Together with Arduino we can work with customers and businesses to help them do something amazing,” commented Richard Curtin, SVP Technology at OKdo.
Listen to the best of the ‘holdies’ with this Arduino-enabled desk phone
Arduino Team — March 30th, 2019
If you’ve ever thought that your life needs a little more hold music in it, then this Greatest Holdies phone from FuzzyWobble could be just the thing.
The heavily modified device uses the shell of an old-style desk phone, but adds an Arduino Mega, a Music Maker Shield, and an ultrasonic rangefinder for “enhanced” abilities.
Now, when someone comes near the phone, it rings automatically, treating the person curious enough to pick it up to a selection of hold music. Users can choose the tune playing via the phone’s keypad, which is wired into the Arduino, along with the original headset switch that detects when the phone has been picked up.
Would you like a dog? Would you like a robot dog? If so, then this build by Michael Rigsby could be a great starting point.
Rigbsy’s robotic pet features four servo-driven legs, with two-axis shoulder movement, as well as an articulated knee joint. As seen in the video below, it’s capable of picking itself up off the ground, and can then walk using a slow side-to-side gait.
An Arduino Uno uses the majority of its I/O pins to control the legs, and as of now, it travels forward with no directional control or sensor input.
Instructions for the project, along code and 3D print files, are available in Rigsby’s write-up.
In a variety of robotic situations, you’ll need some sort of gripper. In this project, James Bruton attempts to create a force-controlled, three-fingered assembly using an Arduino Uno along with a trio of servos.
Instead of directly controlling the grip fingers, the 3D-printed device is held open with bungee cables. When it’s time to clamp everything down, the servos wind up the cables attached to the inside of the fingers, similar to how human tendons work.
To correlate servo inputs to grip force, he uses a series of springs to allow some amount of compliance, as well as flex sensors attached to the fingers themselves to measure the resulting positions. Arduino code for the build is available here.
The AbleChair by Advanced Fitness Components is nominally a wheelchair, but it’s capable of so much more.
The versatile wheelchair’s enhanced abilities include elevating the user to standing height or lowering for easy transfers. Additionally, the seating assembly can be flattened and positioned parallel to the ground, and even vertically as needed. This vertical position allows it to act as a gait training aid for those that are learning to walk, and the variety of positions has a number of health benefits.
The system itself is powered by Arduino along with brushless motors and sensors, while a joystick, touchscreen, and an Android app are used for control.
Riding a bicycle can be a great way to get around, and/or even to get some needed exercise. When you mix in automobile or foot traffic, though, things get a bit more complicated. This could be blamed, in part, on the fact that bikes don’t have the same running lights, turn or brake signals as motorized vehicles.
To address this problem, BLINK!’s patented Integrated Lighting System (iLS) has been designed to provide a visible communication solution that’s easily understandable by other road users.
This custom saddle—which was prototyped using an ATmega328P-based Arduino— features lighting for 270º visibility, and brightens automatically for braking when deceleration is detected. In addition, iLS includes a pair of remotely activated turn signals. This allows the rider to indicate direction changes without removing his or her hand from the handlebars to awkwardly point.
BLINK! has been embedded into a wide range of saddles and installation should be fairly straightforward. Not only will it certainly help enhance road safety, iLS will look fantastic while doing so.
Arduino Day is quickly approaching and we are blown away by the amazing support of the Arduino community, with over 620 events in more than 100 countries scheduled for March 16th.
As recently announced, the Official Arduino Day (register here)—directly organized by the Arduino team—will be held in Milan at the Milano Luiss Hub for Maker and Students, in collaboration with Manifattura Milano Camp.
The agenda of the official event includes an exhibition of Arduino projects, free kids activities, several keynotes by Arduino team members, and last but not least, an ‘Ask Me Anything’ with Massimo Banzi. The talks and the AMA will be live streamed via Arduino’s homepage, YouTube, and Facebook.
Here’s a look at the Official Arduino Day’s program:
11 AM (CET): Doors open and exhibition of Arduino projects, in collaboration with WeMake
2:30 – 5:30 PM: EDU activities for children ages 5 to 15
1:45 – 3:15 PM: Talks by local makers, in collaboration with WeMake (in Italian)
3:30 – 5:30 PM: Keynotes by the Arduino team. These sessions will be streamed on Arduino’s homepage, YouTube, and Facebook.
3:30 – 3:35: Welcome by Massimo Banzi and Fabio Violante
3:35 – 3:50: The State of Arduino with Massimo Banzi and Fabio Violante
The AMA will also be streamed on the Arduino homepage, YouTube and Facebook. Have a question? Please register on the Arduino Forum and submit it by 6:45 PM (CET) at this link.
We look forward to celebrating Arduino Day with everyone! In the meantime, don’t forget to share your events on social media using the hashtag #ArduinoD19.
Mancano poche ore ad Arduino Day, e siamo grati ed emozionati per l’incredibile supporto della nostra Community, che organizzerà nella giornata del 16 Marzo 2019 oltre 620 eventi in oltre 100 nazioni.
Come annunciato di recente, Official Arduino Day, ovvero l’evento direttamente organizzato dal team Arduino (registrazione qui) si terrà a Milano presso Milano Luiss Hub for Maker and Students (Via Massimo D’Azeglio, 3 – zona Porta Garibaldi), in collaborazione con Manifattura Milano Camp.
L’agenda dell’evento ufficiale include una mostra di progetti Arduino, delle attività edu per bambini/e teenager dai 5 ai 15 anni, un programma di talk con il team Arduino e, infine, una sessione di Ask Me Anything con Massimo Banzi. Le talk e l’AMA saranno trasmessi in streaming sull’homepage di Arduino e sui canali Youtube e Facebook .
Ecco il programma di Official Arduino Day a Milano:
11.00 AM: Open Day e mostra di progetti Arduino, in collaborazione con WeMake
1.45 – 3.15 PM: Community Talk a cura di maker locali, in collaborazione con WeMake
2.30 – 5.30 PM: Attività educative per bambine/i e teenager. Le attività sono gratuire e continuative, non serve prenotazione.
5-8 anni: Laboratorio di pasta modellabile conduttiva Anche i più piccoli possono giocare con l’elettricità! Con la pasta modellabile si può dare spazio alla manualità e alla creatività, con (in più) la magia dei led!
8-12 anni: Laboratorio di tinkering “Voglio Fare l’Inventore” Oggi tutti possono fare gli inventori! Flussi di energia, luci, suoni e movimenti non sono mai stati così facili da realizzare. Programmando con i sensori e attuatori, si possono costruire un’elica, un semaforo e addirittura un braccio robotico.
12-15 anni: Laboratorio di robotica “mBot and basic robotics” I robot sono tutti intorno a noi, non solo umanoidi ma anche automobili ed elettrodomestici! Con un’ app, cacciaviti e un pizzico d’ingegno, è possibile imparare le prime mosse per dargli vita e controllarli!
3.30 – 5.30 PM: Talk con Massimo Banzi e Arduino team. Le talk saranno disponibili via streaming sui canali social Arduino.
3.30 – 3.35: Welcome con Massimo Banzi e Fabio Violante
3.35 – 3.50: The State of Arduino con Massimo Banzi e Fabio Violante
Anche l’AMA (Ask me anything) sarà trasmesso in streaming sulla homepage di Arduino e sui canali Youtube e Facebook. Vuoi fare una domanda? Per favore, registrati sull’Arduino Forum e invia la tua domanda entro le 6.45 cliccando qui.
Non vediamo l’ora di festeggiare Arduino Day, nel frattempo non dimenticarti di condividere il tuo evento sui social con l’hashtag #ArduinoD19.
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