lunes, 7 de enero de 2013

Arduino by Davis: “Merge pull request #1204 from ffissore/master” plus 19 more

Arduino by Davis: “Merge pull request #1204 from ffissore/master” plus 19 more

Link to Arduino by Davis

Merge pull request #1204 from ffissore/master

Posted: 07 Jan 2013 01:24 AM PST

+ .gitignore  
Merge pull request #1204 from ffissore/master    gitignore was missing from master

gitignore

Posted: 07 Jan 2013 01:22 AM PST

+ .gitignore  
gitignore

Re: Will an LED blink if noone is looking?

Posted: 07 Jan 2013 01:42 AM PST

Sounds to me like a bad bread board connection that you were making good by the pushing of the probes onto it. Nothing to do with the electrical effect of the meter.

Re: Zener Diode not Zenering at all ;-( ...

Posted: 07 Jan 2013 01:38 AM PST

You wire them across the supply. However they are not for the sort of spikes you have, they are for mich bigger ones with more area under the curve.

Re: Zener Diode not Zenering at all ;-( ...

Posted: 07 Jan 2013 01:36 AM PST

How do you use these Tranzorbs? I've just had a look on Farnell.uk and all the listed ones have voltage protection in 30-60V range. Not exactly the voltage one uses with Arduino components.

Re: Problema con la fotoresistenza

Posted: 07 Jan 2013 01:32 AM PST

Controlla la resistenza con cui fai il partitore resistivo e il LCD.
Ciao Uwe
non è giusto Uwe, tu usi la palla smiley-sad-blue

Re: Hard amplifier problem - Pleease anwer

Posted: 07 Jan 2013 01:31 AM PST

Quote
Don't confuse more output current drive capability with current gain.
No?
Cair to explain the difference then?

Re: Wireless sketch upload to Arduino FIO using XBee

Posted: 07 Jan 2013 01:22 AM PST

RevMen: You soldered the header pins on the x-bee explorer right? A solder sucker will remove that if you need to in future. Otherwise you could use 2 header pins and put a standard PC style jumper between them. If you use right angle pins it wont even...

summer internship in arduino platform

Posted: 07 Jan 2013 01:20 AM PST

i am a pre final year student and have worked with  arduino development board (arduino uno to be specific). I have also carried on my work with various modules n shields especially bluetooth ,GSM and GPS and presently working and exploring ethernet and...

Hvor kan man købe Arduino Starter Kit?

Posted: 07 Jan 2013 01:19 AM PST

Jeg er lige begyndt med Arduino, og jeg vil høre hvor i har/eller kan købe et Arduino Starter Kit?

Det skal være dette her: http://arduino.cc/en/Main/ArduinoStarterKit

Det skal helst være en dansk distributør, men udenlandske går an.

 

Assistive Technology at Both Ends of the Price Spectrum #makerbusinessmonday #makerbusiness

Posted: 07 Jan 2013 01:00 AM PST

Here's a thoughtful post about businesses practices at both end of the assistive technology spectrum from Adafruit community member Chris Young, who has shared his work before on Adafruit's Show and Tell:

There seems to be a great disparity in the cost of these devices. On one hand we have the open source DIY maker community designing gadgets and giving away schematics and software for free. On the other hand we have people commercializing these projects and building businesses around them.

I'm all for people getting paid for their inventions even if the invention is designed with  altruistic motives such as helping the disabled, teaching underprivileged children,  or leveraging technology in undeveloped countries. I appreciate that some of these devices are in such small demand that the overhead to produce and sell them is great because they are built by hand and sold in small quantities. On the other hand some amazing work is being done in the DIY maker community that shares its designs and software for free and allows people to adapt it and further innovate it to meet their needs. It tends to make one wonder if the standard business model is really the best way to get products in the hands of people who need them.

Here are couple of examples… In previous installments of this blog I showed you how I showed off my IR remote control for my TV that was built with an Arduino microcontroller. My venue was Adafruit Industries weekly Show-and-Tell video chat via Google+ hangouts. This week's hangout included a demonstration from a guy named Dino Tinitigan who had showed off some of his robotic projects in the past. But this time he showed a power wheelchair that can be controlled by tilting your head while wearing a helmet. Although he's invested a lot of his own design work into it, it pretty much is built from off-the-shelf products the kind of which one could buy at Adafruit or other maker supply houses. He's demonstrating that anyone with a little bit of maker ability and some time to spare can create incredibly useful technology. I don't know if he is really creating this stuff as open-source hardware and software or if he intends to commercialize it but in either event he's creating something and sharing it as a demonstration of what is capable and does not seem to be working out of a corporate model. Click here to see the Show-and-Tell video that demonstrates this.

At the opposite end of the spectrum is another device I stumbled onto today. It is called a Tecla device. Click here for details. It allows you to use pushbuttons or joystick or other adaptive devices to control touchscreen devices such as android and iOS phones and tablets. This is an amazing accomplishment even though it doesn't allow 100% full access it does allow some use of such gadgets. It is Arduino-based so I understand the underlying technology. However it is only available as a commercial product and the cost is $289 Canadian. My initial reaction was Holy $#!+ That's outrageous! On further review it probably is a reasonable price for a commercially built product with all of the capability it includes. It has a variety of interfaces that are designed to work with pushbuttons and input controls that meet an industry standard for adaptive devices. It includes the capability to use one's wheelchair joystick as an input device. Given that it has to be designed to work with a wide variety of devices and it is a commercial enterprise I can understand the price. At the point when I can no longer use my iPod touch, I will probably be buying one of these at whatever price they want to charge for it. I'm sure the people behind it are decent people. They describe themselves as not just for profit. And I certainly have no trouble with doing well while doing good as it were. On the other hand… If I knew what I was doing I could build something similar for about $75 worth of parts.

There has to be a happy medium in here somewhere. Perhaps an open source design that demonstrates the basic functionality and would allow others to adapted as needed combined with a fully developed commercial product with all the bells and whistles for those who don't have a friend who is a DIY maker aficionado to put it together for them.

Read more.

Each week on the Adafruit blog we post up about amazing companies, people and articles about being a MAKER and a business. Over the years we've shared how we run Adafruit, published code from our shopping cart system and given presentations on running an open-source hardware company. Every Monday we're going to try to collect some of these resources and tag them #makerbusinessmonday & #makerbusiness they're in our popular Maker Business category as well, enjoy!

Re: Progetto Acquario 180 lt Tropicale Dolce con Arduino

Posted: 07 Jan 2013 12:50 AM PST

Grazie dei consigli, bello il progetto per l'orchidario.
in realtà però la gestione della temperatura e della luce è molto più semplice in acquario, e con meno sensori.
LA tolleranza per ambedue è maggiore.
Poi bisogna dire che alcune cose le ho già.
L...

Re: New Mega2560 board " avrdude: stk500v2_ReceiveMessage(): timeout "

Posted: 07 Jan 2013 12:50 AM PST

the last couple of weeks, i struggled with this problem as well, now i found a solution, maybe it can help you

After programming in my Adruino Mega 2560 (r3) + Ethernetshield (r3) (osx) i couldn't upload anything to my board and received this error:
[i...

Ladyada's multi-button checker - how to?

Posted: 07 Jan 2013 12:48 AM PST

Hi,

i found the Ladyada's multi-button checker: http://www.adafruit.com/blog/2009/10/20/example-code-for-multi-button-checker-with-debouncing/
First thing i don't get is how i can trigger something with the code (for example turn on an LED).
And the se...

Re: AS1130 Ongoing Discussion 132 Individually controllable, PWM LED driver

Posted: 07 Jan 2013 12:48 AM PST

I replaced now those pullup resistors of the scl and sda line with 4k7, I also connected the pin18 with VDD, I also measured the resistance between pin ADDR and the 1MOhm resistor and I measured 980k. I uncommented the wait-functions in the I²C-driver-...

Re: Arduino due DS1307 RTC library

Posted: 07 Jan 2013 12:45 AM PST

Hi Markus,

I'm using an external XTAL.

I uploaded the Due_Rtc_Simple_Sample once and all worked fine.
When I commented out:

 
Code:
//rtc_clock.set_time(10, 29, 9);
  //rtc_clock.set_date(22, 10, 2012);

The date was 1.1.2007


Am I missing somethi...

Re: Is there a limit of amount of Serial.print("")?

Posted: 07 Jan 2013 12:22 AM PST

Sounds like you're running short of RAM.
Try changing your constant prints to the following format
Code:
Serial.println(F("    *** Starting Sending ***"));

Re: automatiseren generator

Posted: 07 Jan 2013 12:21 AM PST

Ja dat is echt nodig.

Stel je voor dat je in een auto rijd, vanaf het internet, en er steekt iemand over.
Dan klik je op remmen, maar dan blijft de auto gewoon doorrijden, totdat je ook op submit gedrukt hebt.
Dat is irritant.
Bovendien staat de snelhe...

Re: Due Inputs 5V tolerant?

Posted: 07 Jan 2013 12:18 AM PST

Answer's pretty clear from the bold writing on the product page

Is there a limit of amount of Serial.print("")?

Posted: 07 Jan 2013 12:18 AM PST

Dear All,

I am a beginner and I am experiencing a strange problem.
I ma using Serial.print("Debug") to debug and follow the step of the code.

For now I am testing that function.
[code]
static void sendData(const char* data) {
 
 // digitalWrite(LED_STA...
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