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  1. Thread: Chip Selection

    by AMay
    Replies
    8
    Views
    6,325

    Re: Chip Selection

    The power comes from the trickle charge to a 12 v alarm battery. I have a pretty well filtered supply because of the supply wires running parallel to 120v AC wires.
  2. Thread: 24v ac delay

    by AMay
    Replies
    7
    Views
    6,087

    Re: 24v ac delay

    One more item re the generator. I want to know when it is running. A little Rf remote system seemed the way to go, but I had to sense when the unit was running. Since it is an emergency unit, I did...
  3. Thread: 24v ac delay

    by AMay
    Replies
    7
    Views
    6,087

    Re: 24v ac delay

    Correction, the relay I use is a G3VM-62C1. It costs $3.19, quite a bargin I think.

    And yes, it always delays a restart after the power goes out, but only after the power goes out. As long as to...
  4. Thread: Chip Selection

    by AMay
    Replies
    8
    Views
    6,325

    Re: Chip Selection

    No, but I have assumed it is pretty good, as its source is the trickle current to the burglar alarm back up battery. I put my Fluke meter on it, and as I recall the ac ripple south of the vr was OK.
  5. Thread: 24v ac delay

    by AMay
    Replies
    7
    Views
    6,087

    Re: 24v ac delay

    I didn’t find any relays for $10 –$ 15 which would delaystart up when all power is out but I did find an Omeron G3VM61A1 solid state two pole single throw relay rated for 60 Vac/dc, 500 ma for ...
  6. Thread: Chip Selection

    by AMay
    Replies
    8
    Views
    6,325

    Chip Selection

    I do fairly simple stuff using PIC Basic (not “Pro”) mostly using chips to drive switches and as timers. I have had a couple of chips fail (12f629) which has not been a big deal but I wonder about...
  7. Replies
    5
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    3,958

    Thanks. I finally got it to work by moving my...

    Thanks. I finally got it to work by moving my programs as a sub folder to PBC, and offering to share PBC and its sub folders with the universe. It did ask abiut running as administrator, and I said...
  8. Replies
    5
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    3,958

    More

    Now, after removing "raed only" tags i get the error messsage "can't create run.bat"
    I am still out of business. (I have reinstalled all related programs of course.0
  9. Replies
    5
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    3,958

    Error message from Microcode Studio

    I use PICBasic, (not Pro.)

    When I try to compile using Microcode Studio, I get "out of memory, PBC.EXE."

    I am using Windows 7, and have compressed most of my hard drive, but not the PBC...
  10. Thread: 24v ac delay

    by AMay
    Replies
    7
    Views
    6,087

    24v ac delay

    I have a thermostat with a built in delay of 5 min after a power outage to protect my air conditioner. The power must be off at least 15 seconds before the thermostat recognizes that the power is...
  11. Replies
    11
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    11,081

    I never found the button command worth the...

    I never found the button command worth the trouble. I just insert a short pause to eliminate bounce problems. 10 - 15 ms.
  12. Replies
    39
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    49,046

    Capacitor checker

    I made a capacitor checker using a 16F84A which works very well within limits. It uses the pot command. The code in PICBasic (not Pro) is:

    ' Capacitor Measurement
    ' Four digit common anode...
  13. Replies
    10
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    12,524

    It depends

    Last time I investigated photo transistors, I found that they (at least the ones I acquired) had a very sharp change in status (off - on.) Not good for controling on at dark lights, as adjustment for...
  14. Replies
    11
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    9,361

    Got it to work

    While I still have trouble with Bruce's code, I went back to the PIC data sheet, and tried the following code which delivers 113Khz, and the circuit delivers 15.2 volts out to 5 high bright LEDs....
  15. Replies
    11
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    9,361

    Bruce

    You are too advanced for me, I don't recognize the code. I know PIC Basic some, and a little assembler. Up to now, that has been more than enough. But you are giving me hope.

    A May
  16. Replies
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    9,361

    Other chips

    Alain - I don't know those chips. I admit only to a modest understanding of PICs and PIC basic. I have programmers for only PICs and Basic Stamp I's. Additional programmers look expensive for...
  17. Replies
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    9,361

    12f629 vs ATtiny 11L

    I saw an article in Nuts & Volts about a voltage booster to power an led flashlight. The oscillator was an ATtiny 11L chip programmed off and on, with a 4mHz internal clock. The article indicated...
  18. Replies
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    5,557

    No, a small motor turns a shaft using gears. The...

    No, a small motor turns a shaft using gears. The limit switches are operated by cams on the shaft. There is not room to add another microswitch,
  19. Thread: 6V to 5V

    by AMay
    Replies
    10
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    9,957

    If you don't need much current, add a 1K resistor...

    If you don't need much current, add a 1K resistor in series and a parallel zener diode.
  20. Replies
    4
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    5,557

    120 line to 5v signal

    Building a remote water valve. The valve motor limit switchs provides full line voltage when limit is achieved. I want to use this for transmission of feedback to the controler.

    I know I can use...
  21. Replies
    4
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    4,504

    Problem solved so far

    1. Downloaded latest version of MicroCode Studio

    2. Made a new folder under ProgramFiles\Mecanique\MCS for my programs

    3. Moved that folder to where I want it so it is easy to find and back up....
  22. Replies
    4
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    4,504

    Basic Compiler won't work with Vista

    I got a new lap top with Vista Basic. Loaded the PicBasic compiler, and all was well for about 3 days.

    Then 'Studio complained that it couldn't compile because the source directory was read only....
  23. Thread: Key Pad Project

    by AMay
    Replies
    5
    Views
    6,276

    Key Pad Graphics

    Here are files that should work.

    The Copper file is a high quality actual size x-ray view that can be used to make a circuit board.

    The copper top and circuit are OK I hope.

    "Zipping" the...
  24. Thread: Key Pad Project

    by AMay
    Replies
    5
    Views
    6,276

    Key Pad Project again

    Attached should be .gif files for the circuit board and circuit, .txt files for the PICbasic program and notes.

    OK the .gif files are too big. I'll try again.
  25. Thread: Key Pad Project

    by AMay
    Replies
    5
    Views
    6,276

    Key Pad Project

    Found it. I'll try without the .zip, as they are not very big. I will change the .bas file to .txt first.

    Thanks

    AMay
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