Working SD Card Reader

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  • May 15, 2022 at 9:13 pm #1001
    erikcramerjr
    Participant

    Hi,

    I wanted to Post my Success story with getting SD card reader working.
    I bought the one specified, but thought it would be nice to get one working any ways, without soldering wires etc
    Had some Card readers lying around, mostly with LCDs connected for printers and such, but i had one “Reprap Micro Sd card Reader” This one has SPI
    This one comes with 10 pins of which 6 are connected to the Card reader.
    The 6 pins on the PCB i have not yet tested, but i have connected the Pins of the reader to ESP directly and true the Break out pins on the PCB.

    The reader supports SPI, i believe it is this one except for my is Purple
    https://reprap.org/wiki/SDSL

    My Pins are connected as following :

    CS > 21
    SI > MO
    GND > GND
    VCC > 3v
    SCK > 5
    SO > M1

    This was tested with a 8 GB Microsd formatted as Fat32

    May 15, 2022 at 9:27 pm #1002
    erikcramerjr
    Participant

    Looking at the Pcb in easyeda, i think the reason it might not be working is there is no GND Pin on the Microsd card pins.

    May 15, 2022 at 9:45 pm #1003
    erikcramerjr
    Participant

    Nevermind the Whole board is gnd, didnt see that.. was looking for the traces instead.

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