• PicŪ Basic


  • OnLine Ordering


    Order PDS via our online ordering system. Follow this link directly to the Proton section to order PDS


    Click HERE to order Proton Compiler and Amicus Boards

    Read about PDS, find out what it can do for you, what you'll need to use it and product licensing.






    Replacement License Key

    Have you lost your license key? If you require a replacement USB license key, you may order one online.



    • We will check that you are registered as a licensed user on our system.
    • You may be asked to provide proof of purchase. (for example, if you did not purchase direct from Crownhill)
    • We will issue ONLY 1 (one) replacement license key per user, If you loose the replacement key will will NOT issue another key.
    • If you did NOT purchase PDS, or received it as a free sample or complimentary copy, we reserve the right to decline your request.
    • Follow this link to order online.




    Exchange License Key






    If your License Key ceases to operate and its out of warranty, you may order an exchange key

  • Recent Activity

    John Drew-26

    VHBexplorer problem

    Thread Starter: John Drew

    Is anyone else having trouble using ISIS? When I try to run ISIS from the Plugin menu I get the following error message: "Access violation at...

    John Drew Today, 10:22 Go to last post
    ricardourio-952

    I2C bus 2

    Thread Starter: ricardourio

    Hi Les, I working with PIC18F26K22 and it brought the necessity to use second I2C bus commands, like HBStart2, Hbusout2.... Ricardo Urio

    ricardourio Today, 12:37 Go to last post