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    Stamp-C3 update thru pins (pinout question)

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    • D Offline
      davekc
      last edited by

      Question

      Does anyone know if it is possible to upload from Arduino IDE to the Stamp-C3 using the PORT.U pins (GND, G18/D-, G19/D+, 5V) instead of using the USB-C connector? Since the ESP32-C3 does not support OTG, I assume that PORT.U and USB-C are the same, no? Otherwise, using the ESP32 Downloader Kit via the ISP pins would be the only solution if one wants to go through PCB, right? Thanks!

      felmueF 1 Reply Last reply Reply Quote 0
      • felmueF Offline
        felmue @davekc
        last edited by

        Hello @davekc

        M5Stamp-C3: PORT-U pins and USB-C are not the same. Check schematics here.

        M5Stamp-C3U: PORT-U pins and USB-C are the same. Check schematics here.

        Thanks
        Felix

        GPIO translation table M5Stack / M5Core2
        Information about various M5Stack products.
        Code examples

        1 Reply Last reply Reply Quote 0
        • D Offline
          davekc
          last edited by

          Hello @felmue,

          To be honest, I doubted your response, and I had to review those schematics to realize that I had missed it. Thank you so much!

          Regards,
          Dave

          teastainT 1 Reply Last reply Reply Quote 0
          • teastainT Offline
            teastain @davekc
            last edited by

            @davekc You doubt him at your peril, Sir!

            Cheers, Terry!

            100% M5Stack addict with several drawers full of product!

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