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  1. Thread: Cruise Control

    by Plcguy
    Replies
    20
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    10,184

    Re: Cruise Control

    I'm not sure if your keeping up with the VSS count, but if you start missing pulses, the aliaing will kill your control. I would build a test circuit with an LCD and make sure that the VSS count...
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    Re: 2x16 LCD doesn't show values, please help

    I think Dave means put an LED on a pin and drive it on before the LCD statement and a pause of 1 second and off after the LCD statement and a 1 second pause.
    With this you know the processor is...
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    4,432

    Re: Serial Interrupt

    http://www.picbasic.co.uk/forum/showthread.php?t=10521&highlight=serial+interupt
  4. Replies
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    27,808

    I also asked earlier about B0. Isn't that a...

    I also asked earlier about B0.
    Isn't that a special word in BS2?
    And since that is a PBasic off shoot, I'd think it's bad here???
    I looked in the manual and they use B0 as a byte in examples, but...
  5. Replies
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    27,808

    You're right, thank you! I have an app in test...

    You're right, thank you!
    I have an app in test right now that needs to be fixed!
    Nothing like a second set of eyes.
  6. Replies
    36
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    27,808

    I appreciate you saying that, thank you. But my...

    I appreciate you saying that, thank you. But my questions stand, AND I have read the manual. My version SEEMS more succinct than the dig / dec version. However, I assume there are advantages to that...
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    27,808

    I'm not seeing what "DEC" and "dig" offers over...

    I'm not seeing what "DEC" and "dig" offers over my ver.....
    Please enlighten me!
  8. Replies
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    27,808

    PBP can only handle integer, it clips off the...

    PBP can only handle integer, it clips off the .874 dec portion.

    where analog in is 0-1024 I would do something like this, tho your scaling would vary :

    Analog_In_1:
    ADCIN 1, AIN1...
  9. Replies
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    9,730

    C*ΔV = q = I*t, where ΔV is the voltage sag...

    C*ΔV = q = I*t, where ΔV is the voltage sag (ripple), C is the capacitance in Farads, q is the charge lost in Coulombs, I is Amps, t is time in seconds.


    for a true DC supply t = 0 -> C = 0
    for...
  10. Replies
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    9,730

    The filter capacitor cleans up the ripple to give...

    The filter capacitor cleans up the ripple to give you a flat DC supply. There is an equation for it (ripple and load based), but since the supply is DC, not AC the ripple is minimal. A 780 amp hour...
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    to display volts with a decimal point example ...

    to display volts with a decimal point example

    Volts_2=AIN2*50/51
    HI_2 = Volts_2/10
    LOW_2 = Volts_2//10
    Lcdout $fe, 1, "Bat Volts =",#HI_2,".",#LOW_2

    leaving volts * 10 or 100 to...
  12. Sounds like a great project. I'm a controls...

    Sounds like a great project.

    I'm a controls engineer by profession. Generally, I would not implement closed loop control off a wireless device. There are a lot of factors that affect wireless...
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    It seemed about the same for me

    It seemed about the same for me
  14. Replies
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    13,006

    Now that I see Melanie's write up I get it. I'm...

    Now that I see Melanie's write up I get it.
    I'm surprised I didn't find this in a search? I looked in FAQ, but that is for the forum only.

    Thank you for the pointing.

    So, I'm assuming PM has...
  15. Replies
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    13,006

    I am using MCS and PBP I see that, I forgot...

    I am using MCS and PBP
    I see that, I forgot about that, I was thinking about the epic definitions.
    So, one question down, I see the definition for the processor. So why does

    @ DEVICE PIC16F88...
  16. Replies
    17
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    13,006

    OK, borrowed a clone pickit3 from a guy at work....

    OK, borrowed a clone pickit3 from a guy at work.
    set it up as we discussed - that went fine!

    So, NOW I discover how thick I really am!
    Since I'm not using epic, I need to define the pic and...
  17. Replies
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    13,006

    OK, I installed the PK3Cmd.exe and added...

    OK, I installed the PK3Cmd.exe and added
    -P$target-device$ -F$hex-filename$ -E -M -B -L -V5

    seem to take it. So this works as easily as my epic?
    I can still choose an pickit2 if this has issues....
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    I saw the posts about loading 8.5 and using...

    I saw the posts about loading 8.5 and using PK3Cmd.exe. I don't see Pickit3 as a drop down option in MCS though.
  19. Replies
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    Pickit3 from Microcode Studio

    I currently use an EPIC, MCS, PBP and want to go to less wires / lose parallel and use ICP.

    I see all kinds of posts about MCS operating a Pickit2, but when I look in the define new programmer...
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    yes, I did

    yes, I did
  21. Replies
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    I spoke with ScottEdwards, the manufac of the...

    I spoke with ScottEdwards, the manufac of the serial display. They sent me an app note where you hold the data pin low during startup. I was following a basic stamp app note where they say to hold it...
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    In one attempt, I created startup: Pause 5000...

    In one attempt, I created
    startup:
    Pause 5000

    All it did was piss off my serial display.

    I notice I'm at 1959k, quite near the page boundary, could this be a factor
    Also, I'm using the...
  23. Replies
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    4,289

    Issue with 16F88 startup

    I wrote this app, which appears to function with the exception of powerup. The Hi setpoint appears to get set, but I never see the delays or the splash screen, I start out seeing main loop on the...
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    23,662

    Mabe I'm missing part of your challenge. How...

    Mabe I'm missing part of your challenge.
    How many samples will you throw before deciding it's a real change?
    If you look at the filter I added you can set the # of samples to skip as well as the %...
  25. Replies
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    23,662

    It will affect it, but only at 1/sample rate....

    It will affect it, but only at 1/sample rate.
    so, for a 10 sample example, assume the running average = 100
    100 *10 (sample rate) = 1000 = sum of the samples

    new value 101
    101+1000 - 100 = 1001...
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