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    MCSP Open File From Explorer

    Is there a setting to allow me to open a .pbp or .bas from from explorer without it opening a new copy of the program every time? I would just like to be able to have the program running and be able...
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    The PIC that was are looking to use is the...

    The PIC that was are looking to use is the 18F2550. We don't need a many I/O, just a handful and a USB port. The only reason I could possibly think to use a faster oscillator is for better accuracy....
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    Steve, Thanks for the quick reply. Just out...

    Steve,

    Thanks for the quick reply. Just out of curiosity why would someone want to use a 4 MHz oscillator instead of say a 40 or a 20 MHz?
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    Oscillator Selection

    I'm looking to implement USB programming of one of our products and I am a little confused about which oscillator frequency I need to use. The data sheet says something about 48 MHz is required for...
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    You could also try the LM2574N-3.3. It's a simple...

    You could also try the LM2574N-3.3. It's a simple little 500mA switcher that can take a supply voltage up to 40VDC and 60VDC in the higher voltage model. We use the 5V and 12V versions in almost all...
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    The temp slider and the DS18B20 are components...

    The temp slider and the DS18B20 are components that I also use with this particular project. This is just the reading part for the SHT71, I just never took the other unused declarations out of code...
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    We need to see how the variables are declared as...

    We need to see how the variables are declared as well as other settings. Its obviously not this part of the code that is the culprit because it compiles fine for others which means there is a problem...
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    You are correct in that you can address up to 256...

    You are correct in that you can address up to 256 devices using a byte variable and 65,535 using a word variable. The problem is how to program the device id? That is what I believe he meant by...
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    You just create a custom character to your likes....

    You just create a custom character to your likes. See this post. It has everything about this. The second link is Darrel's online generator. Very nice work too by the way Darrel.

    ...
  10. Thread: anti ESD?

    by CocaColaKid
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    5,045

    > Keep lines to the crystal very short Minimize...

    > Keep lines to the crystal very short
    Minimize radiated noise levels

    >Put a 7V Transzorb across the power
    A varistor of sorts, helps absorb power spikes exceeding 7V

    >Feed the Vcc through a...
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    That is what I meant. Every movement will have to...

    That is what I meant. Every movement will have to have an opposite in order to zero it out. The problem I see would be making sure that always happens in the math. Making that many readings and...
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    Ok, I stand corrected. You could use one to do...

    Ok, I stand corrected. You could use one to do the calculations but it would have to work perfect. I talked to an aviation engineer about this and he laughed. It is possible, but the calculations...
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    An accelerometer will just measure the time is...

    An accelerometer will just measure the time is takes to go from one speed to another speed, not the distance. It has no way of knowing how far it has traveled unless it is constantly accelerating and...
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    This code works great and gives the correct...

    This code works great and gives the correct temperature throughout the sensors range in both Fahrenheit and Celsius. The format is like this: TempC = 2250 = 22.50ºC, TempF = 7250 = 72.50ºF.


    ...
  15. Sticky: I may be incorrect but I believe this thread has...

    I may be incorrect but I believe this thread has totally lost its original topic of discussion.

    People helping people is what this forum is all about is it not? If I have written/modified some...
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    The only modification I made to the ELASPED...

    The only modification I made to the ELASPED include file was the addition of the Accumulative seconds, minutes, hours and days variables. This allows me to enter 150 seconds instead of 2 minutes 30...
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    I figured out the problems, first had the on and...

    I figured out the problems, first had the on and off reversed and then somehow forgot the base resistor to the transistor firing the outlet relay, oops. lol
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    I think I have some other problems lurking in the...

    I think I have some other problems lurking in the woodwork. Debugging right now to narrow the search.



    '****************************************************************
    '* Name :...
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    The DS1820 and the DS18S20 were software...

    The DS1820 and the DS18S20 were software interchangeable as we started out using the 1820 and then switched to the 18S20 when we could not get the other. We changed nothing I our code from my memory...
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    Just some food for thought. This is the code I...

    Just some food for thought. This is the code I use for reading the DS18S20.



    ReadDS18S20:
    owout sensor,1,[$CC, $44] ' Send Start Temperature Conversion command
    ...
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    Totally Baffled with Elapsed Timer

    Ok here's what I've come across and for the life of me I can't see what the problem is. I'm trying to build a timer for cycle testing things. What's happening is when I run the code with the red...
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    Let me see if I get this right. Bare with me...

    Let me see if I get this right. Bare with me because I am still very green on the whole timer thing. I need to set Timer0 to count the pulses coming in on T0CKI for 1 second once a clock is seen....
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    Oh, guess I missed posting all the relevant...

    Oh, guess I missed posting all the relevant information.

    16F88 @ 10MHz
    Single 82Hz SPWM Channel
    Single 1kHz HPWM Channel
    Timer0 - Free, Timer1 - SPWM , Timer2 - HPWM
    The 1kHz HPWM is being...
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    The problem is space is limited on the board....

    The problem is space is limited on the board. Also the HPWM minimum frequency is 245Hz @ 4MHz.
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    Darrel, Is there a better way to output a...

    Darrel,

    Is there a better way to output a 82Hz PWM single than using your software routine. Your routine works perfect however I also need to read a frequency of 0-1kHz at the same time. With the...
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