jueves, 13 de junio de 2013

Arduino by Davis: “Mixee Labs Offers “Quark Jewelry” Tool #3dthursday” plus 19 more

Arduino by Davis: “Mixee Labs Offers “Quark Jewelry” Tool #3dthursday” plus 19 more

Link to Arduino by Davis

Mixee Labs Offers “Quark Jewelry” Tool #3dthursday

Posted: 13 Jun 2013 03:00 AM PDT

QuarkJewelry

Mixee Me Offers "Quark Jewelry" Tool, in conjunction with Shapeways:

Ever since I first learned about subatomic particles and their spiral movements in magnetic fields, I could not help but be inspired. The different charges, masses and speeds determine the trajectories and create these astounding images in bubble chambers.

With the arrival of accessible 3d printing, I got to work to capture this beauty in jewelry. I wrote a piece of software that would trace possible (and impossible) orbits and trajectories in 3 dimensions. But I had a hard time choosing which models to actually try and print as the variations were endless.

Then a few months ago I got the urge to bring this project back to life and in search for a solution I stumbled upon Mixeelabs.

Mixeelabs was working on an online platform that allows designers to easily create web apps which are able to generate 3d printable models! We joined forces and are very proud to present: Quark Jewelry

Try out this tool for your self, and learn more here.

QuarkJewelryHand

Re: Ethernet Connection with Arduino

Posted: 13 Jun 2013 02:32 AM PDT

So, you were trying to access a server that you did not know could be accessed from clients other than the server. Not a great idea. Before introducing the Arduino into the picture, you should have made sure that another client could access the server....

Re: Temperaturanzeige mit + Zeichen

Posted: 13 Jun 2013 02:32 AM PDT

Vielleicht einfach so:
Code:
if (temperatur>=0) lcd.print("+");
lcd.print( dtostrf( temperatur, 5, 2, stringbuffer ) );

Re: primo stand alone e alcuni problemi, dateci una controllata :)

Posted: 13 Jun 2013 02:31 AM PDT

mettendoci 2 diodi zener no riesco ad arrivare a 8,6v?
ma mettendoli dove? gli zener stabilizzano la tensione per pochi milliampere, poi saltano, fai come ti d...

Re: Board Game Position

Posted: 13 Jun 2013 02:29 AM PDT

Can you get it done with a digital strip like this?

The depends on whether or not the spacing of the LEDs matches hi...

Temperaturanzeige mit + Zeichen

Posted: 13 Jun 2013 02:28 AM PDT

Wie kann ich mit der Funktion:

temperatur = sensors.getTempCByIndex(0);

das Plus Zeichen mit ausgeben?

Die Ausgabe erfolgt mit:

lcd.print( dtostrf( temperatur, 5, 2, stringbuffer ) );


Micky

Re: Serial reading

Posted: 13 Jun 2013 02:09 AM PDT

Hi,

I'm using the tmp sensor that came with arduino "starter Kit" with 9600, the DHT does come with it's own lib (which i found here on playground) however, it does need 115200 to see the output on the serial interface.

obviously i'm only using it for ...

Re: Verschiedene LCD Displays

Posted: 13 Jun 2013 02:08 AM PDT

Also ich für meinen Teil würde dir empfehlen eine (im ersten Augenblick) etwas kompliziertere Library in verbindung mit einem Günstigen Grafik-LCD zu verwenden.

Hier ein Beispiel für das Grafik-LCD: http://www.buyincoins.com/new_en/details/lcd12864-gra...

Re: Convertir valeurs d'un accéléromètre en "G" ...

Posted: 13 Jun 2013 02:07 AM PDT

Quote
Je suis tres nul en programmation
Ca se soigne  smiley-mr-green
Un bon remède : le site du zéro, ok il faut du travail personnel et éviter de brûler les étapes.

Quote
meme "lire le datassent" je ne sais même pas ce que c'est
[...

Re: I'm new to electronics and arduino's and I want to do a simple project

Posted: 13 Jun 2013 02:05 AM PDT

I would recommend you do not play with mains electricity for your first project try something with low voltages.

Re: Ardu-Acquarium Controller v. 3.0

Posted: 13 Jun 2013 02:05 AM PDT

mi piace l'idea dei 3 sensori

Quote
A livello personale escluderei qualsiasi bus tipo "onewire", e concettualmente anche l'I2C, mettendo forse piu cavi, ma non rischiando blocchi generali dovuti alla frittura di un singolo sensore o interfaccia[/quote...

New Experimental Delta Printer Breed: RepRap Simpson #3dthursday

Posted: 13 Jun 2013 02:00 AM PDT

New Experimental Delta Printer Breed: RepRap Simpson, Via 3Ders.org:

There is a new radical RepRap 3D printer in town called Simpson. George Gaylord Simpson came up with the idea of Quantum Evolution, the theory that evolution can happen in abrupt burst. The namesake was chosen for the printer to signify its quick divergence from other existing designs. Nicholas Seward started barely a month ago with the goal to build a 3D printer with the following requirement:

  • Low center of gravity
  • No linear rails
  • Fully printable except for bearings, bolts, bed, and electronics

During the month, the design has gone from a idea through at least 7 major revisions and has produced 3 prototypes. The open style of the RepRap Project has allowed for some crucial collaboration. Thousands of people have viewed Simpson's development forum. Many have posted ideas, suggestions, and encouragement. The project would not exist in its current state without the open source community.

Johann Rocholl's Rostock and Quentin Harley's Morgan provided much initial inspiration. After many different initial design iterations a novel delta architecture was selected. A typical delta robot has all the arms connect above the work envelope. Simpson has all the arms connect below the work envelope to keep the center of gravity low and to remove the need for a support structure. Additionally, Simpson drives the elbow joint of each arm instead of the shoulder joints like most delta robots. This allowed for a drastic reduction in the inverse kinematic equations.

Ilian Bonev, a professor in the field of robotics at École de Technologie Supérieure said the design was "innovative" and "truly original."

The printer can be made from off the shelf components for less than $400USD. It has a large print volume on the order of 10 liters! Currently, Simpson is still in the prototype stage but there will be a public release of all the files on 6/15/2013. Check out the development forum for more info.

Read more about this new model here.

Simpson reprap 3d printer 1

649-1
Every Thursday is #3dthursday here at Adafruit! The DIY 3D printing community has passion and dedication for making solid objects from digital models. Recently, we have noticed electronics projects integrated with 3D printed enclosures, brackets, and sculptures, so each Thursday we celebrate and highlight these bold pioneers!

Have you considered building a 3D project around an Arduino or other microcontroller? How about printing a bracket to mount your Raspberry Pi to the back of your HD monitor? And don't forget the countless LED projects that are possible when you are modeling your projects in 3D!

The Adafruit Learning System has dozens of great tools to get you well on your way to creating incredible works of engineering, interactive art, and design with your 3D printer! If you've made a cool project that combines 3D printing and electronics, be sure to let us know, and we'll feature it here!

Re: Flickering 4 x 7 segment display

Posted: 13 Jun 2013 01:40 AM PDT

You're modifying V every loop iteration, but you're only getting its starting value once every 500 ms.

You should have another variable that you store the temperature in.  Get the temperature into that variable every 500ms, and then copy it into V ever...

Re: Question about serial

Posted: 13 Jun 2013 01:40 AM PDT

Best is to use a pull up resistor, from input to +5V and then connect it to ground. Connecting power to inputs is a bit dangerous as it is unforgiving of mistakes.

Re: Driving Parallel RGB LED's

Posted: 13 Jun 2013 01:40 AM PDT

G_M,

Would you not include the voltage drop across the transistor in your calculations?

Re: MAX6675

Posted: 13 Jun 2013 01:39 AM PDT

la termocoppia è collegata in modo corretto. So che il nastro isolante non è un buon collegamento ma l'ho realizzato per un test iniziale.
Potrebbe essere quella la causa quindi?
Sto usando Arduino 0023 quindi non dovrei avere problemi con la libreria,...

Re: GPS + Serial

Posted: 13 Jun 2013 01:38 AM PDT

J'arrive tout de même à lire genre de phrase : ö6Ö–vví­­EÛ+ë·q_SWq§§W§§e§Ÿ£•™'§c§Ÿ£ —§i§}«›"åë·q_qq}§Ÿ ™ ... Qui correspondent à la période des trames que je visualise sur l'oscillo. Et j'ai pourtant bien vérifier la vitesse.

Re: Arduino Uno + Placa Reles 12vdc - 220Vac + C#, rompe la comunicación serial

Posted: 13 Jun 2013 01:29 AM PDT

Hola, bueno pues sigo igual con el mismo problema, me he decidido a hacerle el circuito RC a cada relé y ya tengo todo, porque con los varistores y separando la baja tensión de la red conseguí alargar el error.

Lo único que no entiendo muy bien es en ...

Re: new to this, simple question

Posted: 13 Jun 2013 01:28 AM PDT

Any type of arduino will do this, so get the UNO.
I think your motor specifications are a bit unrealistic. You do not need a servo, that will not do what you want. Perhaps stepping motors will do but you have to constantly pulse them.

As to the softwar...

Respecto al Cable (adelanto que soy novato)

Posted: 13 Jun 2013 01:28 AM PDT

Hola,

Soy nuevo en esto, tengo muchas ideas en la cabeza, los componentes básicos y quiero empezar a trastear.
Tengo una duda respecto al cable. Me compre un kit que trae uno con sus conectores etc, etc.

He leido que los suyo es el de 0,22mm, pero teng...
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