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  1. Replies
    8
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    3,002

    Compiler (PBP v2.50C) errors

    Hi,

    Back after a few years off, using a new laptop & os, having lots of issues using a previously working program & PIC.

    (too many) Compiler (PBP v2.50C) errors found : Cannot open file...
  2. Replies
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    4,625

    Re: micro SMD PIC board populated ICSP source

    thanks for the reference. I will check this out.
  3. Replies
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    4,625

    micro SMD PIC board populated ICSP source

    I would like a reference as to where to obtain a small pre-populated functional PIC board.
    A stand alone fully functional board that I can program in circuit.
    Pic does not need to be SMD.
    ...
  4. Replies
    1
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    2,324

    digital display for outdoor use?

    I would like any suggestions on sources for a weatherproof digital display for a project that I will be controlling using a PIC.

    Application similar to outdoor temperature display module or a...
  5. Replies
    4
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    2,789

    Re: simple RC PULSIN circuit

    thanks, I'll try this.
  6. Replies
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    2,789

    Re: simple RC PULSIN circuit

    I will look into using my 16F716 with (H)PWM to accomplish the frequency generation by outputting on P1A and jumpering to another I/O to see if PULSIN can read the frequency. Can this be done?
    ...
  7. Replies
    4
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    2,789

    simple RC PULSIN circuit

    I want to test the PULSIN feature on the bench.
    Can this be done with a basic RC integrator?
    I can't get my DMM to read any frequency or logic state when connected, just the voltage/drop at...
  8. Replies
    12
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    9,925

    Re: Peltier control?

    My thought was to operate them at a max of 50%, about 7V/4.5A each, (9A total).
    I prefer to connect them together in parallel, and drive or control as one device.

    I was also considering a...
  9. Replies
    12
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    9,925

    Re: Peltier control?

    Charles,
    Do you mean variable control? That would be ideal, but I may only need to voltage divide from 13V to 7.5V for the 50% efficiency.
    I'm not aware of any needed isolation requirements.
    The...
  10. Replies
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    9,925

    Re: Peltier control?

    I'm looking at a pair in parallel of 40mm, 15Vmax, 9Amp variety.
    I understand operating at 50% capacity improves efficiency.
  11. Replies
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    9,925

    Peltier control?

    I am going to start a project using Peltier modules [Thermoelectric cooling (TEC)], and was researching control options.
    A search here didn't turn up anything. Anyone done a similar project...
  12. Replies
    4
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    3,994

    LCD module info?

    I am wondering if anyone knows for a source of an LCD module that is already weatherproof for outside use, and preferably ready to control using my PIC Basic Pro SEROUT command I am accustomed to? ...
  13. Re: how to determine what programmed is in a PIC?

    Thanks for the replys
  14. how to determine what programmed is in a PIC?

    Is there a way to determine what program is in one of my PIC's?
    I can read it using the programmer, but of coarse no program name is there, only hex code. Is the name of the program in the hex...
  15. Replies
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    3,731

    non-volatile memory?

    Is there non-volatile memory on a 16F716 that would enable the chip to retain a variable if it is removed from power, after it has been programmed?
  16. Replies
    0
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    1,922

    powering cycles for a PIC?

    I use PIC's (16F716 & 16C711) in circuits with Vreg,op amps, etc., in an automotive application.
    Are there concerns about using a switchable power source to power the circuit?
    It would mean...
  17. Replies
    3
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    2,634

    thanks for the leads

    thanks for the leads
  18. Replies
    3
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    2,634

    options to buy PIC16F716-E/P (Hi Temp)?

    Seems my hot automotive environment may require a higher temp PIC than what I am using.
    It is resetting alot so this is what I suspect.

    My source DigiKey doesn't supply small quantities of them....
  19. suggestions on reading a pulsing vehicle speed sensor?

    Are PULSIN and COUNT the only options for reading a pulsing vehicle speed sensor input?

    It seems to me COUNT could be a better choice since it has a built in smoothing function by counting a...
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    7,911

    Thanks Bruce.

    Thanks Bruce.
  21. Replies
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    7,911

    RETURN command?

    Will a program function correctly if a RETURN command is encountered, but there was no GOSUB command preceding it? i.e., will it just skip over the RETURN command without a hitch? Or must you...
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    12,474

    changing to PULSIN

    I am getting better results using PULSIN since the sensor is pulsing as stated before.
    I still need to condition the results, however.
  23. Replies
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    Charles, This sensor pulses hi to low. I...

    Charles,

    This sensor pulses hi to low. I suspect some of my sampling is reading on the low part of the cycle. Thats why I slowed way down the sampling time to 20ms.

    ADC has worked well for me...
  24. Replies
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    Thanks, I'll have a look see.

    Thanks,
    I'll have a look see.
  25. Replies
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    12,474

    I'll see what a 0.1uF does. Thanks

    I'll see what a 0.1uF does.

    Thanks
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