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Serial port mouse to USB mouse

Discussion in 'Troubleshooting and Repair' started by alex p james, Dec 6, 2012.

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  1. alex p james

    alex p james

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    Nov 18, 2012
    I wanna convert my serial port mouse to an USB one. Can anyone suggest me a way.
     
  2. GreenGiant

    GreenGiant

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    Feb 9, 2012
    the only way that I have seen it done is serial to PS/2 converter then PS/2 to USB converter

    Why not just purchase a new mouse? USB mice are only 10-20 bucks, you're going to spend almost that in converters
     
  3. KrisBlueNZ

    KrisBlueNZ Sadly passed away in 2015

    8,393
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    Nov 28, 2011
    Not without a ridiculous amount of effort.
    Original serial mice are relatively dumb. They generate a stream of serial data in the form of bursts of characters that can be received by an RS-232 serial port and interpreted by the driver.
    USB is a bidirectional protocol that requires intelligence at both ends and does a lot more than just send updates when the mouse is moved.
    During the changeover period from serial to PS/2 to USB some mice were made that could be used with simple adapters. Specifically, some PS/2 mice could be used with an RS-232 port. This was when people assumed that PS/2 was the way of the future, and people would eventually upgrade their PCs and be able to throw away the adapter. I think some USB mice can also be used with PS/2 ports, with the right adapter.

    But original serial port mice didn't know about these new interfaces, and can't be used with them. The only way would be to make a smart adapter that responds to the serial data from the mouse, figures out how the mouse is being moved, and provides a USB slave implementation that can talk to the USB port on the PC. This would require a microcontroller and a lot of programming.

    Short answer, buy a modern mouse. The new mice may have no balls, but they also don't need to be cleaned :)
     
  4. alex p james

    alex p james

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    Nov 18, 2012
    Thank you Mr. KrisBlue and Green giant
     
  5. alex p james

    alex p james

    3
    0
    Nov 18, 2012
    How can I make a transmitter and a reciever of an FM signal ranging 100 meters. And could you please post me the circuit diagram of the same .
    Thank you.
     
    Last edited: Dec 7, 2012
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