Cannot upload sketch using FTDI module #363
Description
I have a custom ATMEGA328PB board and have alread burned bootloader with arduino uno. I used an external 16MHz.
The settings i chose are:
Baudrate: Default
BOD: BOD 2.7V
Bootloader: Yes (UART0)
Clock: External 16 MHz
EEPROM Retained
LTO Disable
Variant: 328PB
When i tried to upload a simple blinking sketch to the board using FTDI module, i received this problem.
System wide configuration file is C:\Users\DELL\AppData\Local\Arduino15\packages\MiniCore\tools\avrdude\8.0-arduino.1\etc\avrdude.conf
Using port : COM8
Using programmer : urclock
Setting baud rate : 115200
Warning: attempt 1 of 10: not in sync
Warning: attempt 2 of 10: not in sync
Warning: attempt 3 of 10: not in sync
Warning: attempt 4 of 10: not in sync
Warning: attempt 5 of 10: not in sync
Warning: attempt 6 of 10: not in sync
Warning: attempt 7 of 10: not in sync
Warning: attempt 8 of 10: not in sync
Warning: attempt 9 of 10: not in sync
Warning: attempt 10 of 10: not in sync
Warning: programmer is not responding; try -x strict and/or vary -x delay=100
Error: unable to open port COM8 for programmer urclock
Avrdude done. Thank you.
Failed uploading: uploading error: exit status 1