• 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

    amod-29593

    Hx711 calibration

    Thread Starter: amod

    Iam using load cell amplifier HX711 module.I have got raw values from module but iam not able to calibrate with load cell.I want make a universal...

    amod Yesterday, 15:23 Go to last post
    Oldhack-15978

    16f720

    Thread Starter: Oldhack

    HELLO The 16F720 is driving me nuts, I had SOIC version and could not get them to run at all so I bought a couple of Dips (all from Digikey) and...

    Oldhack Yesterday, 16:00 Go to last post
    John Drew-26

    About Define directive...

    Thread Starter: SELCUK

    Hi Les, Thank you for new version of Proton Plus. For both Compiler version 3.6.1.1 and 3.6.1.2 If I define $DEFINE FF $0C ;// Form...

    John Drew Today, 02:10 Go to last post
    hadv215-2509

    Fault in bit wise comparisons on release 3.6.1.2.

    Thread Starter: kbaykar

    Hi Les, I just downloaded the release 3.6.1.2 today and seeing that it supports 18F47K40. I am trying to port my code from 18F4685 to 18F47K40. ...

    hadv215 Yesterday, 16:27 Go to last post