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Thread: SD-Card not working on Teensy 3.5 with LiPo Battery

  1. 02-16-2019, 10:07 AM #1
    pocolocos
    pocolocos is offline
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    SD-Card not working on Teensy 3.5 with LiPo Battery

    Hi,
    if I connect my Teensy 3.5 to a 3,7V LiPo Battery (1000mAh) "card.begin" fails (testing with SdFormatter example) with
    "SD error: 40,10001" or "SD error: 43,20001".
    When connecting the Teensy to USB-Power everything is fine.
    Also tried to reduce CPU-speed of Teensy - but without success.
    Any suggestions?

    P.S.: Apologize in advance if I don't follow some rules of this forum - this is my first post.
    Last edited by pocolocos; 02-16-2019 at 11:56 AM.
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