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  • Guys, spare me some ideas on how i can design a converter from a normal household ac supply to usb y cable....
    also on designing,is it ok if i dont connect those data cables of the usb....
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  • Jeffrey Arulraj

    MemberFeb 23, 2013

    What is the USB y cables Voltage rating and What is your application Put some light Here I think I can help you out with your design
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  • Alienator

    MemberFeb 23, 2013

    Conqueror
    What is the USB y cables Voltage rating and What is your application Put some light Here I think I can help you out with your design
    let me be specific...... i want to power up my speakers(laptop speaker having a usb cable connected to the laptop and an audio jack).Since usb cable is given ,whenever i want to use the speakers i need to connect it to my laptop for the supply...so i need to eliminate that and find an alternate mode of supply....
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  • Jeffrey Arulraj

    MemberFeb 23, 2013

    That would be 5 V use a step down transformer to provide you 6 V and use suitable series resistor to drop the extra 1V there you got your supply ready

    Now coupling your supply to the USB pin needs diligence. This can be done by properly coupling the Transformer op to the USB head I am not sure about this step. But it is feasible
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  • Alienator

    MemberFeb 24, 2013

    By the way,the data cables need not be connected right?
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  • Jeffrey Arulraj

    MemberFeb 24, 2013

    Alienator
    By the way,the data cables need not be connected right?
    A little precise point I am blanked out here friend

    The data line in the USB head of the speaker has to be extended out using an external cable soldered to the data line. Need some more I think one of us is missing some thing here
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  • Alienator

    MemberFeb 25, 2013

    Conqueror
    A little precise point I am blanked out here friend

    The data line in the USB head of the speaker has to be extended out using an external cable soldered to the data line. Need some more I think one of us is missing some thing here
    i didnt get this "extended out using an external cable soldered to the data line".
    If i'm gonna connect this speaker to my mobile phone,then can i control the audio of the speaker from my mobile??
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  • Jeffrey Arulraj

    MemberFeb 26, 2013

    yeah sure you can. Use proper jack and you can very well control volume from the mobile I thought of a different design so you can omit it completely here
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  • Alienator

    MemberFeb 26, 2013

    thanks...
    by the way,all usb cables can be powered up by using 5v??(omitting the tolerance)
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  • Jeffrey Arulraj

    MemberFeb 27, 2013

    yeah they can be powered by 5 V no difference If you want clarification do refer online
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