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Type: Posts; User: Rikr09

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  1. Replies
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    318

    Closed: Single digital I/O circuit

    Hello,

    I'm working on a design which i don't have enough slots to add I/O's to the main connector, so i i'm thinking in the possibility of implement a circuit which lets me manage DIGITAL I/O as...
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    Closed: Reflective LCD driver design

    Hello, i need to design a driver to the LCD described on the following image.

    156281


    I'm using a frequency generator with a 5Vpp TTL signal to activate one segment or word of the LCD and...
  3. Closed: Reflective area detection - optical lap counter

    Hello,

    I have a device as you can see on the image attached that always is always spinning around an axis. It has a reflective surface that i want to use to detect it and count it as a lap. So, i...
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    Closed: Re: Suggestions to solenoids power supply

    Hello,

    Thanks for your reply... I changed the idea, i got a mistake before, really is as i shown on this image
    152084
  5. Replies
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    Closed: Suggestions to solenoids power supply

    I need to supply 11V to three solenoids valves, but i dont want to use another Step-down IC because all the components circuit increase the price of the board, so i would like to know what else i...
  6. Closed: Re: Problems with Power Supply using LT8609EMSE#PBF

    And... how i could fix this? According with the datasheet this IC should stand until 42V.
  7. Closed: Re: Problems with Power Supply using LT8609EMSE#PBF

    Hello!!

    You were right, according with the PCB layout suggestions, the C2 must be closer to the IC and i did that and inmediately begins to work as expected. Thanks for that!...
  8. Closed: Re: Problems with Power Supply using LT8609EMSE#PBF

    Hello, thanks for your reply,

    Is 100mA maximum.

    - - - Updated - - -



    Hello, thanks for your reply.
  9. Closed: Problems with Power Supply using LT8609EMSE#PBF

    Hello!

    I'm working with the LT8609EMSE#PBF to supply voltage to Raspberry Pi Zero W mini PC and i'm getting many troubles with this regulator.

    If the Vin voltage is 12V the Raspberry works...
  10. Closed: Re: [Moved]: PCB Design with UL & Class I div 2 certification

    i still continue looking for it because nobody gave me a specific answer about this. The only thing that until the moment i have clear is that the PCB must be certificate with the UL796 standard and...
  11. Closed: [Moved]: PCB Design with UL & Class I div 2 certification

    i'm investigating about UL certification and Class I div 2 requirements to design PCB but i have no idea about it. I was looking for some documentation, or what to do guide but i have not good lucky...
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    [ARM]Closed: Re: PIC24FJ128GA310 not enough memory

    Ok, thanks for your answer i will check this. Is difficult to upload my code because is so large.
  13. Replies
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    [ARM]Closed: PIC24FJ128GA310 not enough memory

    Hello Edaboard friends, i am developing a firmware with the PIC24FJ128GA310 but i have not memory enough, there is an error which says that is over 41832 PC units. I used the optimization code of...
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    Closed: Re: Parallel to Series Switching Batteries

    Yes i do, thats what i thought to implement the application that i need. A system which changes automatically parallel to series the batteries.

    132037
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    Closed: Re: Parallel to Series Switching Batteries

    Thanks for your great explanation. Now, according you told me about the point where the batteries get half charge; the idea is that at least let the board working for about one day and can notify to...
  16. Replies
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    943

    Closed: Parallel to Series Switching Batteries

    Hello!

    In this occasion, i would like to implement a system which can let me switch automatically parallel to series mode of two batteries represented on the image as b1and b2.

    The idea is to...
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    673

    Closed: [moved] HL8548 Sierra unknown state

    Hello,

    Is my first using Sierra Module HL8548-G and i am having some troubles with it while i have an active TCP connection, the module let to answer commands, i cant send neither receive data,...
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    Closed: Re: Antena On board 3G module SIM5320

    Hello AndreyG,

    That what you wrote me is really interesting, you change my way to think about this topic. In order to the time and costs of it, i think is better to use a normal antenna.
    ...
  19. Replies
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    Closed: Antena On board 3G module SIM5320

    Hello ,

    I need to implement an on board antenna to the 3G of the SIM5320 and i dont know how to do it. I was loooking for it on internet but i just found about the Patch Antenna and that is not...
  20. Closed: Re: SPI Flash SST25VF016B-75-4I-S2AF NO Data read detection

    Hello BigDog,

    I am using the SPI2 interface, the PIC has PPS pins.

    The value of PROPER_SPICON1 is

    #define PROPER_SPICON1 0x013B

    On SPIxCON1, wich is SPI2CON1 is loaded de the value of...
  21. Closed: Re: SPI Flash SST25VF016B-75-4I-S2AF NO Data read detection

    Thanks Big Dog... I complete the coding:




    void SPIFlashInit2(void){
    BYTE i;
    volatile BYTE Dummy;
    BYTE vSPIONSave;
    WORD SPICON1Save;
  22. Closed: Re: SPI Flash SST25VF016B-75-4I-S2AF NO Data read detection

    This is the method used to read the memory:



    BYTE FlashRead(DWORD dwAddress)
    {
    volatile BYTE Dummy;
    BYTE vSPIONSave, vData;
    WORD SPICON1Save;
  23. Closed: Re: SPI Flash SST25VF016B-75-4I-S2AF NO Data read detection

    I'm not taking the voltage level, i just have reading the SI from the micro, is to say, the value that the reading method return me back is '0'
  24. Closed: Re: SPI Flash SST25VF016B-75-4I-S2AF NO Data read detection

    I am sorry not to be specific. I mean: How i can detect if the memory really is sending me a data, that is to say, i need to detect that the memory send me something, whatever it sends.
  25. Closed: Re: SPI Flash SST25VF016B-75-4I-S2AF NO Data read detection

    Hello Klaus, the hardware is configured as you said.

    The problem is that i need to detect once i read the memory that i did not receive any data from it. Maybe, reading any register, flag or...
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