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Arduino and USB

Former Member

Hello,

I have a 3D printer that connect to my PC and that creates a virtual COM port via USB.

I want to be able to plug it to an arduino and communicate with it.

I saw that it exist an USB Host for Arduino but I didn't find a library to do what I want.

Do you have any idea ?

Thanks in advance,

Best regards

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  • I agree with the others, the USB library running on an UNO will leave no room for other apps anyway so there will certainly not be enough space to drive a 3D printer

     

    The U16 chip that does the USB for the UNO is absolutly full in itself and it has the hardware built in!!

     

    The Arduino USB Host Sheild should have come with links to drivers, you simply need to follow them, once you have that all working, then you will need to write a virtual com driver for the UNO (Normally provided on the PC but not an UNO). I suspect by the time this is all dont you will be out of program space (This is pure speculation but based on experiance). I am pretty sure you will need a much more powerfull (More RAM, FLASH and Processing Power) to get this project up and running

  • in reply to Robert Peter Oakes

    Peter in past I have developed a G-Code like small interpreter for the Arduino with my first experiment with a mill machine. The core of the engine was on the Arduino (UNO version) board but then to manage all the needed memory, predefined strings, G-code etc. I was using a stream to save storage and a e-eprom bank to add memory with a simple database engine.

     

    victorc you wrote

     

    8.69 for the USB Host Shield + 3.64 Arduino UNO + 4.20 touchscreen with microSD slot = 16.53 USD

     

    It's sad to admit but I think that this is the reason that you are almost at the limits of the possibilities of your board. I think that avoiding the raspberry PI (that remain the better solution IMHO as has suggested Bob) you should at least orient your choice to a PIC microcontroller running 80MHz with 128 Kb in the hope that you can reach the results.

     

    Enrico

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  • in reply to Robert Peter Oakes

    Peter in past I have developed a G-Code like small interpreter for the Arduino with my first experiment with a mill machine. The core of the engine was on the Arduino (UNO version) board but then to manage all the needed memory, predefined strings, G-code etc. I was using a stream to save storage and a e-eprom bank to add memory with a simple database engine.

     

    victorc you wrote

     

    8.69 for the USB Host Shield + 3.64 Arduino UNO + 4.20 touchscreen with microSD slot = 16.53 USD

     

    It's sad to admit but I think that this is the reason that you are almost at the limits of the possibilities of your board. I think that avoiding the raspberry PI (that remain the better solution IMHO as has suggested Bob) you should at least orient your choice to a PIC microcontroller running 80MHz with 128 Kb in the hope that you can reach the results.

     

    Enrico

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