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    Which GPIO free pins does TTGO T4 V1.3 have?

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    gpio t4
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    • R
      Rodrigo last edited by

      Hi!

      Which GPIO pins from the 20 pin header are really free to use?

      For instance, IO32 and IO4 are in the header but are already used by the tft. Why are they still in the header if they are part of the tft connections?

      Thanks!

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