indeed, using different ttl-to-usb I managed to flash it. Had to manually
enter load mode (grounding pin 9) and now all is ok.
Posts made by daniyyel
cant flash latest m5 stamp c3
i CAN flash all other products as long as it's esp32, this one is esp32c3 and failes:
/vol/src/esp/esp-idf/components/esptool_py/esptool/esptool.py -p /dev/ttyU1 --before default_reset --after hard_reset --chip esp32c3 erase_flash
Serial port /dev/ttyU1
Failed to get PID of a device on /dev/ttyU1, using standard reset sequence.
Chip is ESP32-C3 (revision 3)
Crystal is 40MHz
A fatal error occurred: Failed to write to target RAM (result was 01070000)