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Home/usb2uart

volt.tech Latest Questions

vikas Nagpal
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vikas Nagpal
Asked: December 28, 2022In: Wireless Connectivity

ESP32-C3 Firmware Update?

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Hello, I presently research and suppose about the possibilities to initial flash and later update the firmware on an ESP32 based product from the price point, I would like to use an ESP32-C3 and the built-in USB port to flash & ...Read more

Hello,

I presently research and suppose about the possibilities to initial flash and later update the firmware on an ESP32 based product from the price point, I would like to use an ESP32-C3 and the built-in USB port to flash & update the firmware.
That indeed would save the USB2UART chip.
I can’t go with the S2 as I need WiFi and Bluetooth.

But I didn’t find any tutorial/extended info if/how this is possible. The only things I found

  • DFU — Using the native USB on ESP32-S2 for flashing the firmware
  • Nearly was mentioned that C3 USB can be used in CDC mode
  • CircuitPython on Espressif SoCs

so I currently don’t know if it’s possible. I hope anybody can shine some light on this for me;-)

Thank and Regards

Vikas

Read less
bluetoothesp32espressiffirmwareusbusb2uartwifi
  1. ashishgawade
    Added an answer on December 29, 2022 at 10:19 am

    Hello, Thanks for reaching out to Volt Engineering Community. The C3 has a USB device that effectively replaces an external USB- serial and USB- JTAG chip; you should be suitable to use that to flash updates. Please let us know if it answers your question. Regards, Ashish

    Hello,

    Thanks for reaching out to Volt Engineering Community.

    The C3 has a USB device that effectively replaces an external USB- serial and USB- JTAG chip; you should be suitable to use that to flash updates.

    Please let us know if it answers your question.

    Regards,

    Ashish

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