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Have a question about CadSoft EAGLE?  Ask our Expert, Jorge!

Jorge_Garcia

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Jorge Garcia

I'm a young engineer with extensive experience working on EAGLE. My interests include Power Supply design and LED solid state lighting, and I'm always impressed by a well designed PCB.

 

 

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  • Dear: Jorge

    Sorry about my last reply I accidentally replied to Jeremy instead of you. I have a question about eagle. Recently I finished my first PCB and I am in development for my second PCB. I have never used a micro-controller before and I am stuck on a problem. I am trying to make a line following robot but it needs a mother board. The mother board is running into an error where I can't find where to attach the USB port to the micro-controller. Can you please help me? Also go to here if you can't find atmega103 PDF http://www.atmel.com/Images/doc2467.pdf

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  • Dear: Jorge

    Sorry about my last reply I accidentally replied to Jeremy instead of you. I have a question about eagle. Recently I finished my first PCB and I am in development for my second PCB. I have never used a micro-controller before and I am stuck on a problem. I am trying to make a line following robot but it needs a mother board. The mother board is running into an error where I can't find where to attach the USB port to the micro-controller. Can you please help me? Also go to here if you can't find atmega103 PDF http://www.atmel.com/Images/doc2467.pdf

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  • in reply to nschreiber0813

    On 4/29/2014 10:19 AM, Noah Schreiber wrote:

    > The mother board is

    running into an error where I can't find where to attach the USB port to

    the micro-controller. Can you please help me? Also go to here if you

    can't find atmega103 PDF http://www.atmel.com/Images/doc2467.pdf

     

    Hi Noah,

     

    The issue here is that this chip (ATMEGA128) doesn't have native USB

    support built-in. If you wanted it to hook up to USB you would have to

    use a USB-Serial chip which is what the original Arduino's used. If you

    intend to use this processor and need USB connectivity you'll have to

    use a USB-Serial chip like the ones made by FTDI and others.

     

    hth,

    Jorge Garcia

     

    P.S This is not my area of expertise so if anyone has any corrections

    feel free to post them.