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1  Using Arduino / Programming Questions / Re: Arduino Leonardo as HID MIDI USB on: July 20, 2013, 01:50:49 pm
Yes, I saw...

But I have no idea how use it in Arduino Leonardo

Thanks
2  Using Arduino / Programming Questions / Arduino Leonardo as HID MIDI USB on: July 20, 2013, 11:47:51 am
Hi
I wonder if anyone has done a usb midi library like HID keyboard and mouse for Arduino Leonardo (ATmega32u4).

Thanks
3  Using Arduino / Programming Questions / Re: Send String value from Arduino to Eclipse (Java) on: July 20, 2013, 11:39:58 am
You should start from here:
https://code.google.com/p/usb-serial-for-android/

Well, I tried once to use this library, but it crashed my android application everytime.
Try find a library that works with the Arduino chip (I think it's FT232 chip).

Also, install a serial application in your android tab. Search for "Free Serial USB" in Android Market.
4  Using Arduino / Project Guidance / Re: Straightforward burn custom bootloader on: June 20, 2013, 10:53:35 am
Depending on what you exactly want to achieve, a Leonardo or Micro might be an alternative because both use the ATmega32U4 processor which integrates USB, which means you don't have to care about reprogramming a coprocessor and the protocols between the main and the communication processor but you can have everything in one sketch, controlling everything.

Hi pylon, thanks. I will buy one to test!

Thanks
5  Using Arduino / Project Guidance / Re: Straightforward burn custom bootloader on: June 19, 2013, 01:46:43 pm
Damn, I was imagining that the FTDI would be an issue...
Reprogram the FTDI looks impossible...

Well, I think I will back to "MIDI USB Cable Converter PC to Music Keyboard Adapter" which is cheap and easy solution...

Thanks
6  Using Arduino / Project Guidance / Straightforward burn custom bootloader on: June 19, 2013, 12:13:49 pm
Hey guy...

I would like to know an easy way to burn a custom bootloader...

The bootloader (MIDI firmware): http://hunt.net.nz/users/darran/weblog/5b7f8/Arduino_UNO_USB_MIDI_firmware.html
What a have:
- USBtinyISP
- Arduino Duemilanove

Why I'm asking an easy way:
Well, Arduino IDE has an option called "Burn bootloader", which is great, ready-to-go solution. I was wondering if I could just swap some files in Arduino dir with this custom midi boot and press "Burn bootloader".

Thanks!
7  International / Portugues / Re: Solnoid doorbell notification on: January 03, 2012, 08:11:33 am
Existe um Shield Relay que pode facilitar sua vida, ele já vem com transistor, diodo e relay montado em uma PCB. Basta você conectar os fios nas entradas do Shield e nas saídas do teu Arduino.


Na imagem é um shield dual relay. Se tiver interesse posso te vender.

Abraços
Xano
8  Using Arduino / Microcontrollers / Re: How to know the version of the microcontroller on Nano on: September 20, 2011, 08:23:19 pm
Just look to the chip and read the text..

I forgot to say... the seller erased the label =/
9  Using Arduino / Microcontrollers / How to know the version of the microcontroller on Nano on: September 16, 2011, 04:34:59 pm
Hi!
I would like to know the version of the microcontroller on the Arduino Nano that I bought.
If is atmel168 or atmel328.

Thanks!
10  Using Arduino / Motors, Mechanics, and Power / Re: CNC motor supply and choice on: August 09, 2011, 04:00:43 pm
A love CNCs, I never assembled one, but I recomend to you to see this website:
http://buildyourcnc.com/blueChickVersion42CNCMachineKit.aspx
This guy sells DIY CNC Kits. Watch the  'tutorials' video on how he builds, so you can have some ideas for parts and what you need.

They typically use Stepper Motors because of the accuracy, I like these:
http://shop.ebay.com/i.html?_nkw=nema+motor&_sacat=0&_odkw=nema&_osacat=0&_trksid=p3286.c0.m270.l1313
They are practically industrial use, be careful with the power source, they typically need a reasonable current
11  Using Arduino / Motors, Mechanics, and Power / Re: Keg Washer - Solenoid Valve Questions on: August 08, 2011, 04:14:30 pm
Now you are making this much to easy. Thanks, I'll be ordering one shortly!

forgot to mention, this relay board that showed before even comes with an opto-insulator, which completely isolates the signals from the microcontroller from the power of the relay (which can easily damage the microcontroller).
12  Using Arduino / Motors, Mechanics, and Power / Re: Supply 24V using a dual-motor controller 12V on: August 08, 2011, 04:09:54 pm
Ok! Thanks =P
13  Using Arduino / Motors, Mechanics, and Power / Re: Supply 24V using a dual-motor controller 12V on: August 08, 2011, 03:30:17 pm
Sum of the Vs or Big BOOM, thats why Im asking =P
14  Using Arduino / Motors, Mechanics, and Power / Re: Keg Washer - Solenoid Valve Questions on: August 08, 2011, 03:28:23 pm

Does that directly attach to my Arduino?  Or do I attach it to my Arduino like such: 
http://arduino.cc/playground/uploads/Learning/relays.pdf

You can connect directly on Arduino outputs in the inputs of these relay boards.
They already have the transistors, resistors and diodes.
That's why I liked these boards.
15  Using Arduino / Motors, Mechanics, and Power / Re: Keg Washer - Solenoid Valve Questions on: August 08, 2011, 10:33:00 am
You can get one of this Relay for a very low cost.
http://cgi.ebay.com/One-Channel-5V-Relay-Module-Arduino-PIC-ARM-DSP-AVR-/120750492394?pt=LH_DefaultDomain_0&hash=item1c1d4a4aea
Or you can build by our own:
http://rentron.com/images/NPN-DRIVER1.GIF
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