arduino - ATMega328P "AVRDude: Could not find USBTiny Device (0x1781/0xc9f)" - Stack Overflow
HELP] Trying to ISP program a board of mine using AVRdude.
Solution: Avrdude Stk500_getsync(): Not in Sync Resp=0x30 Error for Arduino - Instructables
AVRDUDE Could not find USB device "USBasp " error, despite driver being installed
avr - AVRDUDE does not recognize USBasp device - Electrical Engineering Stack Exchange
Arduino UNO not working; Arduino: avrdude: ser_open(): can't open device "\\.\COM4": The system cannot find the file specified. . I haI have also changed the COM Port in windows like the YT
Error message: avrdude: usbdev_open(): did not find any USB device "usb" - IDE 1.x - Arduino Forum