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  1. Re: Getting back into the PBP saddle after a long absence

    Is there a good development board with those micros.
  2. Re: Generating various waveforms with resistive DAC, how to alter pitch?

    I have one of these. If you are interested I can program it with your wav files and it will be ready to go. Go to my site and buy 3 of my diaper checks and send me a note that you want the ISD3800...
  3. Re: Generating various waveforms with resistive DAC, how to alter pitch?

    I would use a Nuvoton ISD3800 Development board which you can control by SPI with your PIC. These are the same devices in greeting cards but much better quality. I have put them on appliances. ...
  4. Re: Getting back into the PBP saddle after a long absence

    Thanks for the suggestions. I really don't need 32 bit, just more space. I just figured for a one off project I don't care about cost so whey not just start with a Porsche. To be honest with you I...
  5. Getting back into the PBP saddle after a long absence

    I haven't used PBP in nearly 8 years. Micros have come a long way since then and back in the day I would use a 16F88. It was a great little micro, but for my one of projects, it would simply run...
  6. Pic Basic pro user kickstarter campaign for cap touch

    All,

    I have been a pic basic pro user for the last 14 years. I recently posted a single point cap touch board with a digital output on kickstarter. I think this board could be useful in your...
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    3,758

    Re: PCB manufacturers

    Thank you very much.
  8. Replies
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    3,758

    PCB manufacturers

    Does anybody know of a prototype PCB house that makes 0.004 or 0.008 FR4 boards. I need something thin
  9. Thread: GPS question

    by schu4647
    Replies
    2
    Views
    2,173

    Nevermind, I see there is a whole GPS category. ...

    Nevermind, I see there is a whole GPS category. I missed that.
  10. You probably need an NPN with the collector...

    You probably need an NPN with the collector pulled up to the 9V through a 1k. Tie the collector to the gate of the pFET. The base of the transistor will go to the button and to the micro pin. When...
  11. I have never tried this so it may not work. What...

    I have never tried this so it may not work. What about a pFET sourcing your regulator. Have your on switch be a button that takes the pFET gate low and turns on your micro. The pFET gate is also...
  12. Thread: GPS question

    by schu4647
    Replies
    2
    Views
    2,173

    GPS question

    I have tried searching the forum and I get 0 hits on GPS. My question is I want to update a clock in my design based on the GPS signal. I have spent about 2 hours searching the forums and the...
  13. Replies
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    56,970

    Here is an update to my project. I brought the...

    Here is an update to my project. I brought the roman black board and it does work. I tried many band pass filters and the quality is terrible. The only way to even get decent quality was to have a...
  14. Replies
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    56,970

    Roman Blacks board answers the question for me. ...

    Roman Blacks board answers the question for me. He is selling a board that takes in the output from his program. It runs on a 16f micro at 20mhz and with a 1 megabit I2C eeprom can store 24 seconds...
  15. Replies
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    56,970

    Question about btc sound

    It sounded like you don't want to use a 16f because they either don't read their own memory and even if they do the memory is so small that it won't hold long sounds. My question is would a 16f88...
  16. Question about the switch circuit in the PBP manual

    The switch circuit in the PBP manual shows the input pin pulled up through a 10k. That 10k then gets grounded through a switch causing a low on the input. I have noticed that the capacitance of...
  17. Replies
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    2,551

    single sided PCB

    Does anyone know of a good text book that gives rules about drawing a schematic to minimize jumpers on a single sided PCB? I know this isn't a PBP question but I am hoping one of the experts in here...
  18. Replies
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    5,762

    I also use the 7805 for automotive and I have...

    I also use the 7805 for automotive and I have never had a problem. You are probably drawing too much current. There is a circuit on the datasheet that uses a PNP transistor as a current supply. I...
  19. Thread: CAN support

    by schu4647
    Replies
    4
    Views
    5,178

    if you simply want to read the CAN, I would...

    if you simply want to read the CAN, I would recommend just buying something like a NeoVI which is sold by intrepid control systems. (Best tool I have found) It will read and send any messages you...
  20. Thread: On_Off

    by schu4647
    Replies
    9
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    4,507

    I didn't even realize that toggle command was in...

    I didn't even realize that toggle command was in there. I that case I could change my code to:

    input portb.0

    start:
    If portb.0 = 1 then
    toggle portb.1
    pause 1000
    endif
    goto start
  21. Thread: On_Off

    by schu4647
    Replies
    9
    Views
    4,507

    That is good and simple, but does it debounce the...

    That is good and simple, but does it debounce the switch.
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    I just realized a mistake I told you. You may...

    I just realized a mistake I told you. You may want to move your LCD off of port A since you are using that for your A to D. I don't know if it will work after making in input and analog. The book...
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    7,610

    where to begin. First you need to make port a an...

    where to begin. First you need to make port a an input. Second there are two AD registers 1 and 2. Third I would put the register setup before your main program. you only need to do it once. Try...
  24. Thread: On_Off

    by schu4647
    Replies
    9
    Views
    4,507

    flag var bit flag = 0 start: If portb.0 = 1...

    flag var bit
    flag = 0

    start:
    If portb.0 = 1 and flag=0 then
    portb.1 = 1
    flag = 1
    pause 1000
    endif
  25. Thread: On_Off

    by schu4647
    Replies
    9
    Views
    4,507

    I am very tired and drunk and am just writing...

    I am very tired and drunk and am just writing this without trying it but here it goes.

    flag var bit
    flag = 0

    start:
    If portb.0 = 1 and flag=0 then
    portb.1 = 1
    flag = 1
    pause 1000
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