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Home/c3-mini

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Alex thomas
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Alex thomas
Asked: September 7, 2022In: Wireless Connectivity

ESP32- C3-MINI-1 Module First Plant Upload

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Hello, I have tested ESP32- C3-MINI-1 module thanks to ESP32- C3- DevKit- 1. Very satisfied, I plan to use ESP32- C3-MINI-1 module on my futures PCB designs. When my PCB manufacturer will reference some ESP32- C3-MINI-1 module, is there a firmware ...Read more

Hello,

I have tested ESP32- C3-MINI-1 module thanks to ESP32- C3- DevKit- 1.
Very satisfied, I plan to use ESP32- C3-MINI-1 module on my futures PCB designs.
When my PCB manufacturer will reference some ESP32- C3-MINI-1 module, is there a firmware pre-programmed?
Does that default firmware/ bootloader allows me to upload my Arduino operation via uart ( RX0/ TX0, or make in USB Serial) like I do with my ESP32- C3- DevKit- 1 with Arduino IDE?

Or do I need to firstly flash a bootloader through some JTAG or SPI?

Thank you!

Read less
c3-miniesp32ESP32-C3pcbusb
  1. vikas Nagpal
    Added an answer on September 13, 2022 at 10:12 am

    There either is no firmware in flash, or a testing or AT firmware that is likely not useful. That doesn't matter, however, because: Every ESP32 (including C3, S3, ...) has a hardcoded, unchangable and un-erasable ROM that contains a bootloader that allows you to do these things (as long as you don'tRead more

    There either is no firmware in flash, or a testing or AT firmware that is likely not useful. That doesn’t matter, however, because: Every ESP32 (including C3, S3, …) has a hardcoded, unchangable and un-erasable ROM that contains a bootloader that allows you to do these things (as long as you don’t set the efuse to disable them). So whatever firmware the module comes with, you will be able to reprogram it using UART or USB.

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