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1  Forum 2005-2010 (read only) / Forum / Re: Suggestion - New forum for circuit schematics. on: March 03, 2010, 06:36:52 am
I think the right place for this kind of stuff is the playground
a schematic by itself doesn't say much unless there is a small tutorial and a piece of code

2  Forum 2005-2010 (read only) / Forum / Re: Language in International on: February 19, 2010, 11:39:25 am

As of tonight all the English language boards will be deleted and only the Italian forum will be kept.

The website and playground? all italian ;D

I'm tired of having to use some foreign language to communicate with other people.

I expect the whole world to switch to Italian by tomorrow

If you don't like it well tough luck

smiley smiley smiley smiley smiley smiley smiley-wink smiley-cool P)

3  Forum 2005-2010 (read only) / Troubleshooting / Re: arduino interferences the mouse on: April 25, 2007, 09:37:03 am

 there is an easy explanation....

when the arduino sends some charaters back to the computer at certain speeds that stupid windows thinks you just plugged in a "MIcrosoft Ballpoint serial mouse"  which was last sold probably in 1992... every character sent by arduino gets interpreted as mouse movements...

so you have to make your way to the "Control Panel" / System / Hardware and disable the driver... if you delete it , it will come back...
so just disable it...

it's a pain in the ass but windows is stupid and there is only one solution... upgrade to a mac smiley

4  Forum 2005-2010 (read only) / Troubleshooting / Re: 10v PWM on: February 24, 2010, 09:31:08 am

are you using one of those dimmers that work with a voltage from 0 to 10v or an actual 10v bulb?

If you're using a 0/10v dimmer you just need to create a small amplifier using an op-amp that will multiply the 0-5v of arduino to 0-10v needed (the amplifier would have to be powered at 12v)

see the circuit at
if R2 is the same as R1 (let's say two 10k resistor) you get a x2 aplification factor.

You could use an LM358 as an opamp.
I've used this circuit to control fluorescent lamps multiple times and it works

5  Forum 2005-2010 (read only) / Troubleshooting / Re: Arduino software... on: September 21, 2005, 12:10:25 pm

the Arduino board doesn't work with the Wiring application.

At the very beginning arduino was born as a plugin to wiring but in order to achieve our goal of being open source and cross platform (on the microcontroller side) we dropped this approach and moved to a fully fledged IDE independently derived from Processing.

Please download the software from the link you find on the homepage.
Be aware that we are releasing a version 2 of the IDE next week just before the Madrid workshop that will fix some bugs and add support for the new pre-assembled USB boards (well the only difference is that the bootloader is more robust and works faster)
6  Forum 2005-2010 (read only) / Troubleshooting / Re: serproxy - waiting for clients on: June 22, 2007, 08:25:17 am
are u on an intel mac? serproxy seems to give problems on intel mac while it works on PPC macs.

are u using flash cs3 or flash 8? firmata works only with AS 3.0

7  Forum 2005-2010 (read only) / Troubleshooting / Re: Arduino and C# on: May 04, 2006, 11:05:30 am

Welcome to arduino

When you plug the arduino board into your computer it shows up as a serial port.
talking to the board is quite simple in any language that supports serial communication. I do this all the time from RealBasic and many other languages.

I googled around for C# and serial port and I found this links that seem to have all you need

hope this helps

8  Forum 2005-2010 (read only) / Troubleshooting / Re: Arduino on Linux on: February 02, 2006, 12:41:29 am
welcome fab

that was fast... you got the board 1 day ago smiley

9  Forum 2005-2010 (read only) / Troubleshooting / Re: Arduino on Linux on: October 12, 2005, 01:24:55 am

Great job on getting arduino to work on linux smiley

I've tried on my linux box and I think your problem now is that the bootloader on your board is running at 19200 baud and not 9600.

When gianluca started shipping the usb boards I gave him a the new bootloader to install which runs at 19200.

if you get a chance to build the parallel port programmer you can upgrade to the latest bootloader  (another mellis masterpiece) that takes only 1 k of space instead of the 2k used by the old one.

10  Forum 2005-2010 (read only) / Troubleshooting / Re: Whats going wrong here? on: March 27, 2008, 11:01:20 am
the first time you run arduino it recompiles all the libraries and that generates a number of warnings and it's normal.

most of first time use issues are covered in.... roll of drums... the FAQ smiley

11  Forum 2005-2010 (read only) / Troubleshooting / Re: arduino extreme and ardiuino_10? on: March 24, 2008, 04:06:44 pm
wow if you really have an extreme it's a collector item... only 200 were made of that and 100 were used by students
at Ivrea and Malmo.

12  Forum 2005-2010 (read only) / Troubleshooting / Re: Arduino crashes while selecting other window on: February 10, 2008, 02:50:17 am
wow never heard of it...

Please, when you ask this sort of questions on the forum you should provide:
Operating system you're using and version. Language of the operating system plus version of arduino you're using..

It's a bit hard to help you diagnose without these info.

13  Forum 2005-2010 (read only) / Troubleshooting / Re: Duplicated constructors in object file on: March 21, 2008, 12:48:00 pm
hey thanks for th report
we'll have a look at it... if it does it in every program then it could be a bug in the compiler...

14  Forum 2005-2010 (read only) / Troubleshooting / Re: Uploading error on: January 13, 2008, 11:24:17 am
If you burned the bootloader yourself, did you make sure you burn the right fuses?

if they are not set correctly the processor would be running at the wrong speed.

Also make sure you select they right type of processor from the tools menu before you compile.

15  Forum 2005-2010 (read only) / Troubleshooting / Re: That pesky Error inside Serial.<init>() proble on: June 25, 2007, 05:20:20 am
Try to connect to the /dev/tty..... instead of the /dev/cu... on the bluetooth board seems to fix a lot of issues

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