avrdude: Version 6.3-20190619
         Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/
         Copyright (c) 2007-2014 Joerg Wunsch

         System wide configuration file is "C:\Program Files\Arduino\hardware\tools\avr/etc/avrdude.conf"

         Using Port                    : COM3
         Using Programmer              : wiring
         Overriding Baud Rate          : 115200
avrdude: stk500v2_getsync(): got response from unknown programmer , assuming STK500
         AVR Part                      : ATmega2560
         Chip Erase delay              : 9000 us
         PAGEL                         : PD7
         BS2                           : PA0
         RESET disposition             : dedicated
         RETRY pulse                   : SCK
         serial program mode           : yes
         parallel program mode         : yes
         Timeout                       : 200
         StabDelay                     : 100
         CmdexeDelay                   : 25
         SyncLoops                     : 32
         ByteDelay                     : 0
         PollIndex                     : 3
         PollValue                     : 0x53
         Memory Detail                 :

                                  Block Poll               Page                       Polled
           Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages MinW  MaxW   ReadBack
           ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
           eeprom        65    10     8    0 no       4096    8      0  9000  9000 0x00 0x00
           flash         65    10   256    0 yes    262144  256   1024  4500  4500 0x00 0x00
           lfuse          0     0     0    0 no          1    0      0  9000  9000 0x00 0x00
           hfuse          0     0     0    0 no          1    0      0  9000  9000 0x00 0x00
           efuse          0     0     0    0 no          1    0      0  9000  9000 0x00 0x00
           lock           0     0     0    0 no          1    0      0  9000  9000 0x00 0x00
           calibration    0     0     0    0 no          1    0      0     0     0 0x00 0x00
           signature      0     0     0    0 no          3    0      0     0     0 0x00 0x00

         Programmer Type : Wiring
         Description     : Wiring
         Programmer Model: STK500
avrdude: stk500v2_command(): warning: unknown, code 0x90
avrdude: stk500v2_getparm(): failed to get parameter 0x90
avrdude: stk500v2_command(): warning: unknown, code 0x91
avrdude: stk500v2_getparm(): failed to get parameter 0x91
avrdude: stk500v2_command(): warning: unknown, code 0x92
avrdude: stk500v2_getparm(): failed to get parameter 0x92
         Hardware Version: 70
         Firmware Version Master : 227.92
avrdude: stk500v2_command(): warning: unknown, code 0x9a
avrdude: stk500v2_getparm(): failed to get parameter 0x9a
         Topcard         : Unknown
avrdude: stk500v2_command(): warning: unknown, code 0x94
avrdude: stk500v2_getparm(): failed to get parameter 0x94
         Vtarget         : 6.4 V
avrdude: stk500v2_command(): warning: unknown, code 0x98
avrdude: stk500v2_getparm(): failed to get parameter 0x98
avrdude: stk500v2_command(): warning: unknown, code 0x95
avrdude: stk500v2_getparm(): failed to get parameter 0x95
avrdude: stk500v2_command(): warning: unknown, code 0x96
avrdude: stk500v2_getparm(): failed to get parameter 0x96
avrdude: stk500v2_command(): warning: unknown, code 0x97
avrdude: stk500v2_getparm(): failed to get parameter 0x97
         SCK period      : 0.5 us
         Varef           : 6.4 V
         Oscillator      : 16.168 kHz

avrdude: stk500v2_command(): warning: unknown, code 0x9e

avrdude: stk500v2_setparm(): failed to set parameter 0x9e
avrdude: stk500v2_command(): unknown status 0xc8
avrdude: initialization failed, rc=-1
         Double check connections and try again, or use -F to override
         this check.

avrdude: stk500v2_command(): unknown status 0x01
avrdude: stk500v2_disable(): failed to leave programming mode

avrdude done.  Thank you.