Autonomous USB MIDI interface

Anything at least distantly related to MegaDrum

Re: Autonomous USB MIDI interface

Postby milk » Sat Mar 15, 2008 12:45 pm

I've also tried what happens if I disconnect the cable and try to read/program, I get all 0's.
If I try to program with the ic not in the socket but everything connected I still get all 0's


you think the pic is busted?
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Re: Autonomous USB MIDI interface

Postby Synthex » Sat Mar 15, 2008 1:19 pm

milk wrote:you are from France, right?

Yes.

Do you plug the USB when you program ?
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Re: Autonomous USB MIDI interface

Postby Synthex » Sat Mar 15, 2008 1:21 pm

milk wrote:you think the pic is busted?

Difficult to say ...
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Re: Autonomous USB MIDI interface

Postby milk » Mon Mar 17, 2008 2:55 am

Synthex wrote:
milk wrote:you are from France, right?

Yes.

Do you plug the USB when you program ?


Yes I do.

I'm going to try this http://electronics-diy.com/electronic_schematic.php?id=752 programmer and see if the chip is busted.

Still no luck getting another pc with serial port.

Cheers, and thanks for all the help.
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Re: Autonomous USB MIDI interface

Postby el_fela » Tue Apr 15, 2008 8:33 pm

Hi. Im from Argentina too, and im also building megadrum. I use the JDM programmer for PIC programming, which is cheap and easy to build (really cheap and really easy- I made it using an old tv parts) . Although I must say I havent programmed mine yet, but ill do it tonight and post results.
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Re: Autonomous USB MIDI interface

Postby Synthex » Tue Apr 15, 2008 8:57 pm

el_fela wrote:Hi. Im from Argentina too, and im also building megadrum. I use the JDM programmer for PIC programming, which is cheap and easy to build (really cheap and really easy- I made it using an old tv parts) . Although I must say I havent programmed mine yet, but ill do it tonight and post results.

Why use a PIC programmer ? ;)
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Re: Autonomous USB MIDI interface

Postby el_fela » Thu Apr 17, 2008 6:28 pm

Its kinda easier, more straight -forward, and reduces the chance of making mistakes, i guess. Might work for some people. Plus, it is a nice and useful device to have.
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Re: Autonomous USB MIDI interface

Postby milk » Mon Jun 09, 2008 6:14 pm

o, hola el_fela.

Did it work out?
In that case, which schematic did you use? do you have a url for that?

saludos!
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Re: Autonomous USB MIDI interface

Postby hugoguti » Sun Aug 24, 2008 4:30 am

Hi everybody I mount on overboard this project and when put it on a usb, winXP make that sound you know, but twice, and after a couple of seconds sounds like when I get off a usb device, twice too and windows says "a problem occurs when installing the driver", I take a look to the circuit but is all fine, donk now whats happend, please help.
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Re: Autonomous USB MIDI interface

Postby Synthex » Sun Aug 24, 2008 9:52 am

hugoguti wrote:Hi everybody I mount on overboard this project and when put it on a usb, winXP make that sound you know, but twice, and after a couple of seconds sounds like when I get off a usb device, twice too and windows says "a problem occurs when installing the driver", I take a look to the circuit but is all fine, donk now whats happend, please help.

Hello,
Have you tested on another pc ?
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