(true)MIDI USB Board

[Synthex]

Hello Everybody! I need some help. I built the megadrum but when I connect it to the usb port the pc install it, after coming the problems. The cable is connected to the pc and after a few seconds disconnect ... few seconds later connect and so on. The computer drops the connection. What's the problem? Thank you for your help!!!

Hello,
What is your board ?
Where is your board (in your hand, ...) ?
What is your computer OS ?
Did you verify the welds, the contacts ?

[chanandlerbong]

Hi Synthex!

What is your board ? - Megadrum32_All_In_One_V2.2
Where is your board (in your hand, ...) ? - In the table not in a case
What is your computer OS ? - winXP sp2
Did you verify the welds, the contacts ? - yes, all welds and contacts ok (my mind)

[chanandlerbong]

Sorry! I improve my comment:

What is your board ? - Megadrum32_All_In_One_V2.2
Where is your board (in your hand, ...) ? - on the table and in my hand when I regulate it. not in a case
What is your computer OS ? - winXP sp2
Did you verify the welds, the contacts ? - yes, all welds and contacts ok (my mind)

[chanandlerbong]

I used this firmware version: MegaDrum USB MIDI Firmware 18F2550 12MHz V2.hex
(Sorry My englis is not too good! )

[Synthex]

You can check your 12MHz crystal.

[chanandlerbong]

You can check your 12MHz crystal.

The crystal is 12Mhz. How can I check the crystal?

[Synthex]

How can I check the crystal?

You can change it by an other one.

[chanandlerbong]

How can I check the crystal?

You can change it by an other one.

ok, but I firstly built into the box the megadrum. If it don't work in the box afterwards I buy a crystal and change it.

Thank you very much the instructions!

[chanandlerbong]

Thank you very much everybody!!!Thank you Synthex and dmitri...!!!! This project is very good!!!

[Synthex]

Thank you very much everybody!!!Thank you Synthex and dmitri...!!!! This project is very good!!!