Home Forums Sparkfun MP3 Shield Library Support Forum MP3 Shield With Red Bear Labs Bluetooth LTE

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  • #3131
    Anonymous
    Inactive

    Hi all,

    I’ve been having some issues connecting my LTE shield with the MP3 Shield… does anyone know if they are compatible? I can successfully run programs off them individually, but not together.

    Thanks in advance!

    B

    #3132

    First problem is that both the BLE and MP3 shield use pins D8 and D9. This needs to be separated. See http://www.youtube.com/watch?v=behMgV3tUr4 as how to bend and reroute pins on a shield. And then correspondingly change the pin definition in the corresponding library.

    After that there may be some other conflicts. Next thought about SPI conflicts, appears to be ok, as a quick (not extensive look) at their library shows the SPI is default for the AVR and should be compatible.

    They don’t really provide schematics. so hard to tell about much else.

    And their demo code is quite extensive. To much so to quickly assess. Where it appears a prinicpal function is to take control of all the AVR’s pins and remote them from the APP. This is would be bad. Where your use would be to have a remote APP control this libraries functions and not the pins themselves.

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