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    Re: Solar Panel battery charger

    Hello Dave

    I also noticed that you are a ham operator. . .I have been an Extra class for over 40 years. . .Operate mostly CW a little bit of AM and SSB.
    Usually run 40M beloe 7125.

    I believe...
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    Re: Solar Panel battery charger

    This is not a very good way how to do it. . .You will be losing a lot of charging capabilities during the daytime. During full charge cycles, you don't want to charge over 14 volts. . thus,
    you...
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    Re: Solar Panel battery charger

    The mosphets I purchased are good to 30 amps and 60 volts. . I figured i would operate them via a NPN transistor.. they claim they can be operated directly from
    integrated circuits. . . Be easier...
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    Re: Solar Panel battery charger

    Thanks for the response. . ..

    I have something similar to yours. . .I have 3 arrays with anywhere between 3 and 6 panels on each array.
    About 2500 watts of power. . .
    I also, am on 24 volts. ...
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    Re: Solar Panel battery charger

    I am finding out that the charge controllers are not able to handle my Panels. . .So I decided to try and make my own, or find a controller that can handle
    my panels properly. . .

    I have about...
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    Solar Panel battery charger

    Hello folks,

    Been a long time since I have posted and played here. . .. I am now retired. ..

    I have a situation. . .

    I have a 24 volt battery system for off the grid power. i have a lot...
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    Re: USBDemo, something to learn USB a little bit

    Hello Steve and Darrel,

    You mangy old farts, how are you all doing? Looks like all as been well for both of you. Its been a while since we have chatted.

    PIC's working ok? Haven't done...
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    You should sticky this. . ..

    Hello Melanie!

    Long time no see. . .

    It has been a while since I have been on, but I saw this response... I don't remember if there was a "sticky" or a such a good definition in the FAQ...
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    Instant Response is not necessary... delays of 1...

    Instant Response is not necessary... delays of 1 second is fine.

    It seems the only thing I can think of, is a 500K resistor in series with the trigger resistance, and when the voltage gets to be...
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    500K or less triggering of a pin.

    Yo folks...

    Long time no see... Been busy, and trying to hold on to job. Anyhow...
    What I am looking for, and would like some input involves the best way to trigger a pin when the resistance...
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    the "counter" is set at 900, because there are...

    the "counter" is set at 900, because there are 900 seconds in 15 minutes.

    the pause is the variable that you use to control how long you want to pause every time you go to the subroutine. This...
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    I don't know what your project is about, but if...

    I don't know what your project is about, but if "15 min" is not a absolute, and you want to waste a little time on the chip....

    there are approx 900 seconds in 15 minutes.

    Using a long int of...
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    9600 baud with 4mhz internal crystal... no way......

    9600 baud with 4mhz internal crystal... no way... you need a faster crystal... 2400 baud is starting to push the limit. Sometimes if things are right, 4800.

    Dwayne
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    Sazer is right.. Pullup resisters will help.... ...

    Sazer is right.. Pullup resisters will help....

    Or, you can use internal pull up resisters. in the chip.

    Dwayne
  15. Thread: CD ROM Motors.

    by Dwayne
    Replies
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    Hello Mac, Yes Mac, that is what I was...

    Hello Mac,

    Yes Mac, that is what I was planning on doing... Getting a PIC chip to work with these little motors. I figured since it was already wound, why not attempt to use their work for my...
  16. Thread: CD ROM Motors.

    by Dwayne
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    Hello MisterE, First of all, its darn good...

    Hello MisterE,

    First of all, its darn good to have you back and well. You shouldn't be givnig us scares like you did. Just happy that you are not injured to bad.


    M>>mmm as a start i...
  17. Thread: CD ROM Motors.

    by Dwayne
    Replies
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    CD ROM Motors.

    Hello Folks,

    Here is the situation... I have been taking apart some OLD CDROM's. They have a 9 Pole brushless motor in them.

    I would like to use that motor and its current windings. ...
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    Hello, I don't fully understand what you are...

    Hello,

    I don't fully understand what you are trying to do, or what your schematic is looking like but I would try the following:

    1. You said it only works on Transmitter 1.. That is case...
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    Try sticking a large Cap across the power supply....

    Try sticking a large Cap across the power supply. To insure good filterization. Another thing... the MCLR pin...is it held high at one place and not the other? Or is it floating? If so, program it...
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    Hello Andrew, I am not sure if I fully...

    Hello Andrew,

    I am not sure if I fully understand your problem, but let me throw this out to you...

    The SerIn has two things that can help you...

    The Wait until and the timeout.

    I...
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    Ok, Lets look at your code. The First goto Main...

    Ok, Lets look at your code. The First goto Main (Line 7) is worthless... your program will automatically fall through to the beginning.

    Lets Look at something similar...

    SW var GPIO.1
    LED1...
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    Debouncing is just the matter of putting a little...

    Debouncing is just the matter of putting a little "Pause" in the program. This little pause will allow accidental "double pushing", "electrical connections", that are iffy, and other uncontrollable...
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    Since your serial port only reads ones and zeros,...

    Since your serial port only reads ones and zeros, it will receive the binary number. It is up to you do have the proper "shift" to place it into a 8 bit integer, or use the Serin command. Making...
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    Your Pause 10 is only for 10 milliseconds! ...

    Your Pause 10 is only for 10 milliseconds!


    Try something a little longer....like Pause 1000 for 1 second.



    Dwayne
  25. Thread: LCD help

    by Dwayne
    Replies
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    What you may want to do, is one of two things......

    What you may want to do, is one of two things...

    put a character spacing of 1000 (defined at top of program),

    or instead of Looping to the very beginning. Loop to the output again...
    You may...
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