Page 1 of 1
Programming ESP32-C3-Mini using serial port
Posted: Tue Jan 21, 2025 4:02 pm
by ulfh2025
I wonder if it is possible to program the ESP32-C3-Mini using the serieal input instead of using USB, and if so how to do it.
Best regards
Ulf H.
Re: Programming ESP32-C3-Mini using serial port
Posted: Tue Jan 21, 2025 7:23 pm
by ESP_Minatel
Hi,
Yes, you can flash via UART on the GPIO20 and GPIO21 (pads 30 and 31 on the
ESP32-C3-MINI-1).
To flash, you need to get into download mode using the GPIO9 during the boot.
Please see the
datasheet and all the information you need will be there.
Re: Programming ESP32-C3-Mini using serial port
Posted: Tue Jan 21, 2025 8:05 pm
by ulfh2025
That was whar I thought, but it does not work for me, so it looks like I will have to check my project
Re: Programming ESP32-C3-Mini using serial port
Posted: Wed Jan 22, 2025 8:14 am
by ESP_Minatel
If you can, share the schematics and more details on how you are connecting the signals.