Hi when i'm trying to flash bootloader to 3d printer Sanguino 1284P Board i get this error
Arduino:1.8.5 (Windows 10), Board:"Sanguino(1284P Boards), ATmega1284 or ATmega1284P (16 MHz)"
avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0x15
avrdude: stk500_getsync() attempt 2 of 10: not in sync: resp=0x15
avrdude: stk500_getparm(): (a) protocol error, expect=0x14, resp=0x14
avrdude: stk500_getparm(): (a) protocol error, expect=0x14, resp=0x01
avrdude: stk500_initialize(): (a) protocol error, expect=0x14, resp=0x10
avrdude: initialization failed, rc=-1
Double check connections and try again, or use -F to override
this check.
avrdude: stk500_disable(): unknown response=0x12
Flashing bootloader error.
I have arduino nano with Arduino ISP sketch, connected it to a 3d printer via jumper wires, set proper board (Sanguino 1284P) set Arduino as ISP and when i press burn bootloader.. error.