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  1. Replies
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    Re: Finding Fractional calculator

    Thank you, that's what I've done now... Many select case and if then else... seem's to work now but not tried everything... looking for bugs.... Running...
    Regards
  2. Replies
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    3,049

    Finding Fractional calculator

    Hi,

    I've got a problem to find a way to create numerator and denominator for my calculation
    Here is the formula: (used by analog devices ADF435x software (windows))
    (INT+(FRAC/MOD)x(PFD/DIV))=RF...
  3. Replies
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    22,958

    Re: how to calculate reverse value with scale

    Ohhh yes yes ! I'm so tired... didn't saw as simple as it is !
    Regards
  4. Replies
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    22,958

    how to calculate reverse value with scale

    Hi,

    I cannot find how to convert my level value from receiver (from -130dBm to -30dBm) I do not use minus -> so 130 to 30
    My display (nextion type) has a "vu meter" witch needs 0 to 100
    When...
  5. Replies
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    33,492

    Re: SSD1306 Include example

    Yes I did....
    Can't explain this. So... Now I'm using second code source with BIG characters... Working at 48 MHz !
  6. Replies
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    33,492

    Re: SSD1306 Include example

    Hi timc

    I know this is an old thread... I'm using some parts of your code (first one with small characters). Just changing Init because it doesn't work with my chineese LCD, and added a clear...
  7. Replies
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    2,918

    Re: DHT22 and PIC18F25K22

    Hi Scampy,

    Yes this code is well done... But I'd like to use my own... :)
    I tried another PIC (18f2520) = same pb, changing pullup resistors, capacitors...
    I just found the problem... It's an...
  8. Replies
    2
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    2,918

    DHT22 and PIC18F25K22

    Hi I'm using a PIC18F25K22 to drive 2x DHT22.
    I found here some code working on PORTB.4
    The other DHT is connected on PORTB.2 and... not working
    I tried to exchange the 2 DHT22 without success....
  9. Replies
    1
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    5,199

    Re: SSD1306 start display problem

    OK... I know what's wrong. This is not my code ! It's because of the bad simulation of the SSD1306 with proteus software :-( I took a real 0.96" OLED display and it works fine without any change...
  10. Replies
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    5,199

    SSD1306 start display problem

    Hi,
    I'm trying to use an adafruit 0.96" 128x64 OLED. using SPI
    I want to draw some graphics (BIG numbers in this case 30x48 pixels each)
    I don't want to draw the entire display (1024 bytes) to...
  11. Replies
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    26,951

    Re: MPPT solar battery charger

    Hi Ambrogio,

    My schematic is a bit different, so my PCB too ! As I have 220W panels some choice have to be done, and I also want to use serial to log on my computer. I think to make a python...
  12. Replies
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    26,951

    Re: MPPT solar battery charger

    Hi Ambrogio,

    I just finished to install my solar panels 2 weeks ago. (Yes... I'm a turtle...)
    As I doesn't make any charger I bought a cheap MPPT solar charger from Ebay (china) and it's a fake...
  13. Replies
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    26,951

    Re: MPPT solar battery charger

    HI IW2FVO,
    I plan to use your schematics and parts of your code for my project (just ordered 2x100w PV, now need battery)
    I would like to know what do you mean (schematics) replace D1 with ideal...
  14. Replies
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    37,376

    Re: PBP for dsPIC 16bit??

    Hi,

    I used some PIC24 with Basic and it's different from 12,16,18 series, but easier than using a new device like MAX3107.
    For MAX3107, it seems that it is a new device (2014 ?) and I remember...
  15. Replies
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    37,376

    Re: PBP for dsPIC 16bit??

    @ Robert,

    The text you select had been written in 2011... not sure that 18F67J94, if exist at this time, was suported by PBP2.60...
    ;-)


    I can see now, that, here in France, electronicians...
  16. Replies
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    37,376

    Re: PBP for dsPIC 16bit??

    In august 2011 Rmteo told me:
    Sure looks like you are not going to find the solution here any time soon.

    Using from 2012 another compiler for pic24: MikroBasic. Many bugs, not a complete forum...
  17. 1 x external crystal oscillator for multiple PICs

    Hi,

    As I have some problems using multiple 16MHz crystal (and PLLx4 enabled) on 5 pics,

    I plan to use 1 x external crystal oscillator @ 64MHz with multiple pics (without PLL) in //

    Where can...
  18. Replies
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    Re: Using SPI hardware

    Dear Henrik, and other who tryed to help me.

    Today I made a new prototype.. Soldering new components on a new (but same) professionnal dual layer PCB and, using same programs
    Plugin and.......
  19. Replies
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    8,848

    Re: Using SPI hardware

    Hi,

    @ Henrik
    On another computer (real RS232 port) = same result

    @Archangel
    Hi and thank you for your reply

    Do you think I forgot something in config bit ?
    I'm not expert... May be you...
  20. Replies
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    8,848

    Re: Using SPI hardware

    Hello Henrik,

    Thank you for your message
    I have tryed your code and change rdy to ready without any result. I will try tomorrow on another computer (direct RS232 port, no USB dongle) to see if...
  21. Replies
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    8,848

    Re: Using SPI hardware

    As nothing seem's to work... (not using simulation program now but real hardware)
    Using now the smallest program to test what's wrong:

    ...
  22. Replies
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    8,848

    Re: Using SPI hardware

    same as november 6

    Measuring... Trying to understand what's wrong...

    As I'm using PIC for my job... I'm sad... Too many hours (weeks) and... working now to make fast PIC's communication without...
  23. Replies
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    8,848

    Using SPI hardware

    Hi,

    For several days I'm trying to use the MSSP
    The complete project is to use 4 x PIC18F45K22 as slave and another one as Master.
    At this time I just simulate data between 1 slave and the...
  24. Melabs SPI demo prog simulation on Proteus 8

    Hi,

    I'm learning about SPI... Trying to test some samples of code... Unfortunately it doesn't work on Proteus 8 simulation.
    Using some code from melabs.
    Someone can help ?

    Attached code and...
  25. Replies
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    Re: Powering and reset PIC16LF88 problem

    Hi Charlie,
    Note this diagram does not actually show power connections to the PIC.
    Yes it is because of the ISIS software (hiden powering rails). But power connection is from D1+D2 (common...
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