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  1. Replies
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    Re: ASCII HEX Word to Decimal conversion....

    Not sure what you mean by sending the word variable.
  2. Replies
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    ASCII HEX Word to Decimal conversion....

    Hello,

    My program reads a string of ASCII characters via a serial port, such as 07DC. This represents the decimal year (2012).

    How do I get the decimal equivalent of 07DC? What i get is...
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    Re: Converting ASCII HEX digits to decimal...

    Thank you. That will work.

    John
  4. Replies
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    Converting ASCII HEX digits to decimal...

    My project recieves an ASCII text string such as "3FE35853" and stores them in an array. I need to convert each ASCII byte in the array to its decimal equivalent.

    example:
    "3" = 3
    "F" = 15
    "E"...
  5. Nikon D40 IR Remote Intervalometer using a PIC16F648A...YitIRp

    YitIRp
    (pronounced Wyatt Earp)
    By N6VMO

    Our big off-road riding season kicks off at Thanksgiving. We gather with family and friends as well as several thousand other off-road enthusiasts in the...
  6. Re: Has anyone been successful in interfacing a PIC16, a MAX3421 USB Host and a camer

    I actually started down the IR path several months ago, by buying another IR control to modify.

    My MAX3421 Eval kit arrives today, so I will be able to experiment with USB control. Who knows, I...
  7. Re: Has anyone been successful in interfacing a PIC16, a MAX3421 USB Host and a camer

    Unfortunately, the Nikon D40 only has a USB interface, so USB commands are the only option.
  8. Re: Has anyone been successful in interfacing a PIC16, a MAX3421 USB Host and a camer

    I ordered the MAX3421EVKIT-1+ from Digikey to help me understand USB a bit more and to develope my camera intervalometer project.
    There are many questions about enumeration and other things. Just...
  9. Has anyone been successful in interfacing a PIC16, a MAX3421 USB Host and a camera?

    My latest project is to take timelapse photos using a Nikon D40 DSLR camera. There are a couple of PC based camera control programs out there such as DIY PhotoBits, but I want to operate from remote...
  10. Replies
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    Re: HEX byte to ASCII output...

    Hi Martin,

    Thanks for the DIG tip. That eliminates all that math.

    Yes, I know I can get the .5 resolution, but I don't need it for this simple project. But, that doesn't mean I won't...
  11. Replies
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    Re: HEX byte to ASCII output...

    Works great now!



    INTERNALTEMP:
    OWOut DQI,1,[$CC,$44] 'REQUEST FOR INT TEMP AD CONVERSION
    PAUSE 750 'WAIT FOR CONVERSION TO COMPLETE
    OWOut DQI,1,[$CC,$BE] ...
  12. Replies
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    2,998

    Re: HEX byte to ASCII output...

    Yes it does...thank you!

    John
  13. Replies
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    HEX byte to ASCII output...

    Hello,

    I am using the Dallas 18S20 to measure temperature. My code is working and I can display the decimal temp on the LCD screen.

    My problem is:
    The 18S20 provides the temp in HEX...
  14. Re: Balloon telemetry data using radio teletype or RTTY (Baudot)

    Thank you to all who made suggestions and provided me help. Here is the prototype PIC RTTY Telemetry project:

    http://www.n6vmo.com/PIC/SARCHAB7.zip

    http://www.youtube.com/watch?v=Iz2r9Yo0t1o
  15. Re: Balloon telemetry data using radio teletype or RTTY (Baudot)

    Hi Mike,

    It doesn't take too high of a step to "go over my head". Anyway, I am using the 16F648A and I am not sure about DDS and PWM, but I did see that some people generate sine waves with PICs....
  16. Re: Balloon telemetry data using radio teletype or RTTY (Baudot)

    Yes, pretty cool product.

    I wanted to use something not out of a box. Homebrewing it also make it flexible.
    I think with those products you're pretty much stuck with only modifying a couple of...
  17. Balloon telemetry data using radio teletype or RTTY (Baudot)

    My project is to send aloft, a balloon carrying a GPS receiver, 2M FM amateur radio and a digital camera. Wanting to 'roll my own' or 'homebrew' the payload TM circuitry rather than buying it,...
  18. 32 and 64bit Floating Point, PBP and a 16F648A...

    I need to process some GPS data that is in 32bit and 64bit Floating Point format.
    My PIC16F648A project gathers serial data from a GPS Disciplined Oscillator unit and stores it in a array.

    This...
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