# See: http://code.google.com/p/arduino/wiki/Platforms menu.cpu=Processor ############################################################## dogstick.name=Arduino DogStick dogstick.upload.via_http=true dogstick.upload.tool=avrdude dogstick.upload.protocol=avr109 dogstick.upload.maximum_size=28672 dogstick.upload.speed=57600 dogstick.upload.disable_flushing=true dogstick.upload.use_1200bps_touch=true dogstick.upload.wait_for_upload_port=true dogstick.bootloader.tool=avrdude dogstick.bootloader.low_fuses=0xff dogstick.bootloader.high_fuses=0xd8 dogstick.bootloader.extended_fuses=0xcb dogstick.bootloader.file=caterina/Caterina-Leonardo.hex dogstick.bootloader.unlock_bits=0x3F dogstick.bootloader.lock_bits=0x2F dogstick.build.mcu=atmega32u4 dogstick.build.f_cpu=16000000L dogstick.build.vid=0x2341 dogstick.build.pid=0x8036 dogstick.build.board=ARDUINO_DOGSTICK dogstick.build.core=arduino dogstick.build.variant=leonardo dogstick.build.extra_flags=-DUSB_VID={build.vid} -DUSB_PID={build.pid} ############################################################## uno.name=Arduino Uno uno.vid.0=0x2341 uno.pid.0=0x0043 uno.upload.tool=avrdude uno.upload.protocol=arduino uno.upload.maximum_size=32256 uno.upload.maximum_data_size=2048 uno.upload.speed=115200 uno.bootloader.tool=avrdude uno.bootloader.low_fuses=0xFF uno.bootloader.high_fuses=0xDE uno.bootloader.extended_fuses=0x05 uno.bootloader.unlock_bits=0x3F uno.bootloader.lock_bits=0x0F uno.bootloader.file=optiboot/optiboot_atmega328.hex uno.build.mcu=atmega328p uno.build.f_cpu=16000000L uno.build.board=AVR_UNO uno.build.core=arduino uno.build.variant=standard ############################################################## atmega328diecimila.name=Arduino Duemilanove or Diecimila atmega328diecimila.upload.tool=avrdude atmega328diecimila.upload.protocol=arduino atmega328diecimila.bootloader.tool=avrdude atmega328diecimila.bootloader.low_fuses=0xFF atmega328diecimila.bootloader.unlock_bits=0x3F atmega328diecimila.bootloader.lock_bits=0x0F atmega328diecimila.build.f_cpu=16000000L atmega328diecimila.build.board=AVR_DUEMILANOVE atmega328diecimila.build.core=arduino atmega328diecimila.build.variant=standard ## Arduino Duemilanove or Diecimila w/ ATmega328 ## --------------------------------------------- atmega328diecimila.menu.cpu.atmega328=ATmega328 atmega328diecimila.menu.cpu.atmega328.upload.maximum_size=30720 atmega328diecimila.menu.cpu.atmega328.upload.maximum_data_size=2048 atmega328diecimila.menu.cpu.atmega328.upload.speed=57600 atmega328diecimila.menu.cpu.atmega328.bootloader.high_fuses=0xDA atmega328diecimila.menu.cpu.atmega328.bootloader.extended_fuses=0x05 atmega328diecimila.menu.cpu.atmega328.bootloader.file=atmega/ATmegaBOOT_168_atmega328.hex atmega328diecimila.menu.cpu.atmega328.build.mcu=atmega328p ## Arduino Duemilanove or Diecimila w/ ATmega168 ## --------------------------------------------- atmega328diecimila.menu.cpu.atmega168=ATmega168 atmega328diecimila.menu.cpu.atmega168.upload.maximum_size=14336 atmega328diecimila.menu.cpu.atmega168.upload.maximum_data_size=1024 atmega328diecimila.menu.cpu.atmega168.upload.speed=19200 atmega328diecimila.menu.cpu.atmega168.bootloader.high_fuses=0xdd atmega328diecimila.menu.cpu.atmega168.bootloader.extended_fuses=0x00 atmega328diecimila.menu.cpu.atmega168.bootloader.file=atmega/ATmegaBOOT_168_diecimila.hex atmega328diecimila.menu.cpu.atmega168.build.mcu=atmega168 ############################################################## nano.name=Arduino Nano nano.upload.tool=avrdude nano.upload.protocol=arduino nano.bootloader.tool=avrdude nano.bootloader.unlock_bits=0x3F nano.bootloader.lock_bits=0x0F nano.build.f_cpu=16000000L nano.build.board=AVR_NANO nano.build.core=arduino nano.build.variant=eightanaloginputs ## Arduino Nano w/ ATmega328 ## ------------------------- nano.menu.cpu.atmega328=ATmega328 nano.menu.cpu.atmega328.upload.maximum_size=30720 nano.menu.cpu.atmega328.upload.maximum_data_size=2048 nano.menu.cpu.atmega328.upload.speed=57600 nano.menu.cpu.atmega328.bootloader.low_fuses=0xFF nano.menu.cpu.atmega328.bootloader.high_fuses=0xDA nano.menu.cpu.atmega328.bootloader.extended_fuses=0x05 nano.menu.cpu.atmega328.bootloader.file=atmega/ATmegaBOOT_168_atmega328.hex menu.cpu.nano.atmega328.build.mcu=atmega328p ## Arduino Nano w/ ATmega168 ## ------------------------- nano.menu.cpu.atmega168=ATmega168 nano.menu.cpu.atmega168.upload.maximum_size=14336 nano.menu.cpu.atmega168.upload.maximum_data_size=1024 nano.menu.cpu.atmega168.upload.speed=19200 nano.menu.cpu.atmega168.bootloader.low_fuses=0xff nano.menu.cpu.atmega168.bootloader.high_fuses=0xdd nano.menu.cpu.atmega168.bootloader.extended_fuses=0x00 nano.menu.cpu.atmega168.bootloader.file=atmega/ATmegaBOOT_168_diecimila.hex nano.menu.cpu.atmega168.build.mcu=atmega168 ############################################################## mega2560.name=Arduino Mega 2560 or Mega ADK mega2560.vid.0=0x2341 mega2560.pid.0=0x0044 mega2560.vid.1=0x2341 mega2560.pid.1=0x003f mega2560.cpu=2560 or ADK mega2560.upload.tool=avrdude mega2560.upload.protocol=wiring mega2560.upload.maximum_size=258048 mega2560.upload.speed=115200 mega2560.bootloader.tool=avrdude mega2560.bootloader.low_fuses=0xFF mega2560.bootloader.high_fuses=0xD8 mega2560.bootloader.extended_fuses=0xFD mega2560.bootloader.file=stk500v2/stk500boot_v2_mega2560.hex mega2560.bootloader.unlock_bits=0x3F mega2560.bootloader.lock_bits=0x0F mega2560.build.mcu=atmega2560 mega2560.build.f_cpu=16000000L mega2560.build.board=AVR_MEGA2560 mega2560.build.core=arduino mega2560.build.variant=mega ############################################################## mega.name=Arduino Mega (ATmega1280) mega.cpu=ATmega1280 mega.upload.tool=avrdude mega.upload.protocol=arduino mega.upload.maximum_size=126976 mega.upload.speed=57600 mega.bootloader.tool=avrdude mega.bootloader.low_fuses=0xFF mega.bootloader.high_fuses=0xDA mega.bootloader.extended_fuses=0xF5 mega.bootloader.file=atmega/ATmegaBOOT_168_atmega1280.hex mega.bootloader.unlock_bits=0x3F mega.bootloader.lock_bits=0x0F mega.build.mcu=atmega1280 mega.build.f_cpu=16000000L mega.build.board=AVR_MEGA mega.build.core=arduino mega.build.variant=mega ############################################################## leonardo.name=Arduino Leonardo leonardo.vid.0=0x2341 leonardo.pid.0=0x0036 leonardo.vid.1=0x2341 leonardo.pid.1=0x8036 leonardo.upload.tool=avrdude leonardo.upload.protocol=avr109 leonardo.upload.maximum_size=28672 leonardo.upload.maximum_data_size=2560 leonardo.upload.speed=57600 leonardo.upload.disable_flushing=true leonardo.upload.use_1200bps_touch=true leonardo.upload.wait_for_upload_port=true leonardo.bootloader.tool=avrdude leonardo.bootloader.low_fuses=0xff leonardo.bootloader.high_fuses=0xd8 leonardo.bootloader.extended_fuses=0xcb leonardo.bootloader.file=caterina/Caterina-Leonardo.hex leonardo.bootloader.unlock_bits=0x3F leonardo.bootloader.lock_bits=0x2F leonardo.build.mcu=atmega32u4 leonardo.build.f_cpu=16000000L leonardo.build.vid=0x2341 leonardo.build.pid=0x8036 leonardo.build.board=AVR_LEONARDO leonardo.build.core=arduino leonardo.build.variant=leonardo leonardo.build.extra_flags=-DUSB_VID={build.vid} -DUSB_PID={build.pid} ############################################################## micro.name=Arduino Micro micro.upload.tool=avrdude micro.upload.protocol=avr109 micro.upload.maximum_size=28672 micro.upload.maximum_data_size=2560 micro.upload.speed=57600 micro.upload.disable_flushing=true micro.upload.use_1200bps_touch=true micro.upload.wait_for_upload_port=true micro.bootloader.tool=avrdude micro.bootloader.low_fuses=0xff micro.bootloader.high_fuses=0xd8 micro.bootloader.extended_fuses=0xcb micro.bootloader.file=caterina/Caterina-Micro.hex micro.bootloader.unlock_bits=0x3F micro.bootloader.lock_bits=0x2F micro.build.mcu=atmega32u4 micro.build.f_cpu=16000000L micro.build.vid=0x2341 micro.build.pid=0x8037 micro.build.board=AVR_MICRO micro.build.core=arduino micro.build.variant=micro micro.build.extra_flags=-DUSB_VID={build.vid} -DUSB_PID={build.pid} ############################################################## esplora.name=Arduino Esplora esplora.vid.0=0x2341 esplora.pid.0=0x003c esplora.vid.1=0x2341 esplora.pid.1=0x803c esplora.upload.tool=avrdude esplora.upload.protocol=avr109 esplora.upload.maximum_size=28672 esplora.upload.maximum_data_size=2560 esplora.upload.speed=57600 esplora.upload.disable_flushing=true esplora.upload.use_1200bps_touch=true esplora.upload.wait_for_upload_port=true esplora.bootloader.tool=avrdude esplora.bootloader.low_fuses=0xff esplora.bootloader.high_fuses=0xd8 esplora.bootloader.extended_fuses=0xcb esplora.bootloader.file=caterina/Caterina-Esplora.hex esplora.bootloader.unlock_bits=0x3F esplora.bootloader.lock_bits=0x2F esplora.build.mcu=atmega32u4 esplora.build.f_cpu=16000000L esplora.build.vid=0x2341 esplora.build.pid=0x803c esplora.build.board=AVR_ESPLORA esplora.build.core=arduino esplora.build.variant=leonardo esplora.build.extra_flags=-DUSB_VID={build.vid} -DUSB_PID={build.pid} ############################################################## mini.name=Arduino Mini mini.upload.tool=avrdude mini.upload.protocol=arduino mini.bootloader.tool=avrdude mini.bootloader.low_fuses=0xff mini.bootloader.unlock_bits=0x3F mini.bootloader.lock_bits=0x0F mini.build.f_cpu=16000000L mini.build.board=AVR_MINI mini.build.core=arduino mini.build.variant=eightanaloginputs ## Arduino Mini w/ ATmega328 ## ------------------------- mini.menu.cpu.atmega328=ATmega328 mini.menu.cpu.atmega328.upload.maximum_size=28672 mini.menu.cpu.atmega328.upload.maximum_data_size=2048 mini.menu.cpu.atmega328.upload.speed=115200 mini.menu.cpu.atmega328.bootloader.high_fuses=0xd8 mini.menu.cpu.atmega328.bootloader.extended_fuses=0x05 mini.menu.cpu.atmega328.bootloader.file=optiboot/optiboot_atmega328-Mini.hex mini.menu.cpu.atmega328.build.mcu=atmega328p ## Arduino Mini w/ ATmega168 ## ------------------------- mini.menu.cpu.atmega168=ATmega168 mini.menu.cpu.atmega168.upload.maximum_size=14336 mini.menu.cpu.atmega168.upload.maximum_data_size=1024 mini.menu.cpu.atmega168.upload.speed=19200 mini.menu.cpu.atmega168.bootloader.high_fuses=0xdd mini.menu.cpu.atmega168.bootloader.extended_fuses=0x00 mini.menu.cpu.atmega168.bootloader.file=atmega/ATmegaBOOT_168_ng.hex mini.menu.cpu.atmega168.build.mcu=atmega168 ############################################################## ethernet.name=Arduino Ethernet ethernet.upload.tool=avrdude ethernet.upload.protocol=arduino ethernet.upload.maximum_size=32256 ethernet.upload.maximum_data_size=2048 ethernet.upload.speed=115200 ethernet.bootloader.tool=avrdude ethernet.bootloader.low_fuses=0xff ethernet.bootloader.high_fuses=0xde ethernet.bootloader.extended_fuses=0x05 ethernet.bootloader.file=optiboot/optiboot_atmega328.hex ethernet.bootloader.unlock_bits=0x3F ethernet.bootloader.lock_bits=0x0F ethernet.build.variant=standard ethernet.build.mcu=atmega328p ethernet.build.f_cpu=16000000L ethernet.build.board=AVR_ETHERNET ethernet.build.core=arduino ############################################################## fio.name=Arduino Fio fio.upload.tool=avrdude fio.upload.protocol=arduino fio.upload.maximum_size=30720 fio.upload.maximum_data_size=2048 fio.upload.speed=57600 fio.bootloader.tool=avrdude fio.bootloader.low_fuses=0xFF fio.bootloader.high_fuses=0xDA fio.bootloader.extended_fuses=0x05 fio.bootloader.file=atmega/ATmegaBOOT_168_atmega328_pro_8MHz.hex fio.bootloader.unlock_bits=0x3F fio.bootloader.lock_bits=0x0F fio.build.mcu=atmega328p fio.build.f_cpu=8000000L fio.build.board=AVR_FIO fio.build.core=arduino fio.build.variant=eightanaloginputs ############################################################## bt.name=Arduino BT bt.upload.tool=avrdude bt.upload.protocol=arduino bt.upload.speed=19200 bt.upload.disable_flushing=true bt.bootloader.tool=avrdude bt.bootloader.low_fuses=0xff bt.bootloader.unlock_bits=0x3F bt.bootloader.lock_bits=0x0F bt.build.f_cpu=16000000L bt.build.board=AVR_BT bt.build.core=arduino bt.build.variant=eightanaloginputs ## Arduino BT w/ ATmega328 ## ----------------------- bt.menu.cpu.atmega328=ATmega328 bt.menu.cpu.atmega328.upload.maximum_size=28672 bt.menu.cpu.atmega328.upload.maximum_data_size=2048 bt.menu.cpu.atmega328.bootloader.high_fuses=0xd8 bt.menu.cpu.atmega328.bootloader.extended_fuses=0x05 bt.menu.cpu.atmega328.bootloader.file=bt/ATmegaBOOT_168_atmega328_bt.hex bt.menu.cpu.atmega328.build.mcu=atmega328p ## Arduino BT w/ ATmega168 ## ----------------------- bt.menu.cpu.atmega168=ATmega168 bt.menu.cpu.atmega168.upload.maximum_size=14336 bt.menu.cpu.atmega168.upload.maximum_data_size=1024 bt.menu.cpu.atmega168.bootloader.high_fuses=0xdd bt.menu.cpu.atmega168.bootloader.extended_fuses=0x00 bt.menu.cpu.atmega168.bootloader.file=bt/ATmegaBOOT_168.hex bt.menu.cpu.atmega168.build.mcu=atmega168 ############################################################## LilyPadUSB.name=LilyPad Arduino USB LilyPadUSB.upload.tool=avrdude LilyPadUSB.upload.protocol=avr109 LilyPadUSB.upload.maximum_size=28672 LilyPadUSB.upload.maximum_data_size=2560 LilyPadUSB.upload.speed=57600 LilyPadUSB.upload.disable_flushing=true LilyPadUSB.upload.use_1200bps_touch=true LilyPadUSB.upload.wait_for_upload_port=true LilyPadUSB.bootloader.tool=avrdude LilyPadUSB.bootloader.low_fuses=0xff LilyPadUSB.bootloader.high_fuses=0xd8 LilyPadUSB.bootloader.extended_fuses=0xce LilyPadUSB.bootloader.file=caterina-LilyPadUSB/Caterina-LilyPadUSB.hex LilyPadUSB.bootloader.unlock_bits=0x3F LilyPadUSB.bootloader.lock_bits=0x2F LilyPadUSB.build.mcu=atmega32u4 LilyPadUSB.build.f_cpu=8000000L LilyPadUSB.build.vid=0x1B4F LilyPadUSB.build.pid=0x9208 LilyPadUSB.build.board=AVR_LILYPAD_USB LilyPadUSB.build.core=arduino LilyPadUSB.build.variant=leonardo LilyPadUSB.build.extra_flags=-DUSB_VID={build.vid} -DUSB_PID={build.pid} ############################################################## lilypad.name=LilyPad Arduino lilypad.upload.tool=avrdude lilypad.upload.protocol=arduino lilypad.bootloader.tool=avrdude lilypad.bootloader.unlock_bits=0x3F lilypad.bootloader.lock_bits=0x0F lilypad.build.f_cpu=8000000L lilypad.build.board=AVR_LILYPAD lilypad.build.core=arduino lilypad.build.variant=standard ## LilyPad Arduino w/ ATmega328 ## ---------------------------- lilypad.menu.cpu.atmega328=ATmega328 lilypad.menu.cpu.atmega328.upload.maximum_size=30720 lilypad.menu.cpu.atmega328.upload.maximum_data_size=2048 lilypad.menu.cpu.atmega328.upload.speed=57600 lilypad.menu.cpu.atmega328.bootloader.low_fuses=0xFF lilypad.menu.cpu.atmega328.bootloader.high_fuses=0xDA lilypad.menu.cpu.atmega328.bootloader.extended_fuses=0x05 lilypad.menu.cpu.atmega328.bootloader.file=atmega/ATmegaBOOT_168_atmega328_pro_8MHz.hex lilypad.menu.cpu.atmega328.build.mcu=atmega328p ## LilyPad Arduino w/ ATmega168 ## ---------------------------- lilypad.menu.cpu.atmega168=ATmega168 lilypad.menu.cpu.atmega168.upload.maximum_size=14336 lilypad.menu.cpu.atmega168.upload.maximum_data_size=1024 lilypad.menu.cpu.atmega168.upload.speed=19200 lilypad.menu.cpu.atmega168.bootloader.low_fuses=0xe2 lilypad.menu.cpu.atmega168.bootloader.high_fuses=0xdd lilypad.menu.cpu.atmega168.bootloader.extended_fuses=0x00 lilypad.menu.cpu.atmega168.bootloader.file=lilypad/LilyPadBOOT_168.hex lilypad.menu.cpu.atmega168.build.mcu=atmega168 ############################################################## pro.name=Arduino Pro or Pro Mini pro.upload.tool=avrdude pro.upload.protocol=arduino pro.bootloader.tool=avrdude pro.bootloader.unlock_bits=0x3F pro.bootloader.lock_bits=0x0F pro.build.board=AVR_PRO pro.build.core=arduino pro.build.variant=standard ## Arduino Pro or Pro Mini (5V, 16 MHz) w/ ATmega328 ## ------------------------------------------------- pro.menu.cpu.16MHzatmega328=ATmega328 (5V, 16 MHz) pro.menu.cpu.16MHzatmega328.upload.maximum_size=30720 pro.menu.cpu.16MHzatmega328.upload.maximum_data_size=2048 pro.menu.cpu.16MHzatmega328.upload.speed=57600 pro.menu.cpu.16MHzatmega328.bootloader.low_fuses=0xFF pro.menu.cpu.16MHzatmega328.bootloader.high_fuses=0xDA pro.menu.cpu.16MHzatmega328.bootloader.extended_fuses=0x05 pro.menu.cpu.16MHzatmega328.bootloader.file=atmega/ATmegaBOOT_168_atmega328.hex pro.menu.cpu.16MHzatmega328.build.mcu=atmega328p pro.menu.cpu.16MHzatmega328.build.f_cpu=16000000L ## Arduino Pro or Pro Mini (3.3V, 8 MHz) w/ ATmega328 ## -------------------------------------------------- pro.menu.cpu.8MHzatmega328=ATmega328 (3.3V, 8 MHz) pro.menu.cpu.8MHzatmega328.upload.maximum_size=30720 pro.menu.cpu.8MHzatmega328.upload.maximum_data_size=2048 pro.menu.cpu.8MHzatmega328.upload.speed=57600 pro.menu.cpu.8MHzatmega328.bootloader.low_fuses=0xFF pro.menu.cpu.8MHzatmega328.bootloader.high_fuses=0xDA pro.menu.cpu.8MHzatmega328.bootloader.extended_fuses=0x05 pro.menu.cpu.8MHzatmega328.bootloader.file=atmega/ATmegaBOOT_168_atmega328_pro_8MHz.hex pro.menu.cpu.8MHzatmega328.build.mcu=atmega328p pro.menu.cpu.8MHzatmega328.build.f_cpu=8000000L ## Arduino Pro or Pro Mini (5V, 16 MHz) w/ ATmega168 ## ------------------------------------------------- pro.menu.cpu.16MHzatmega168=ATmega168 (5V, 16 MHz) pro.menu.cpu.16MHzatmega168.upload.maximum_size=14336 pro.menu.cpu.16MHzatmega168.upload.maximum_data_size=1024 pro.menu.cpu.16MHzatmega168.upload.speed=19200 pro.menu.cpu.16MHzatmega168.bootloader.low_fuses=0xff pro.menu.cpu.16MHzatmega168.bootloader.high_fuses=0xdd pro.menu.cpu.16MHzatmega168.bootloader.extended_fuses=0x00 pro.menu.cpu.16MHzatmega168.bootloader.file=atmega/ATmegaBOOT_168_diecimila.hex pro.menu.cpu.16MHzatmega168.build.mcu=atmega168 pro.menu.cpu.16MHzatmega168.build.f_cpu=16000000L ## Arduino Pro or Pro Mini (3.3V, 8 MHz) w/ ATmega168 ## -------------------------------------------------- pro.menu.cpu.8MHzatmega168=ATmega168 (3.3V, 8 MHz) pro.menu.cpu.8MHzatmega168.upload.maximum_size=14336 pro.menu.cpu.8MHzatmega168.upload.maximum_data_size=1024 pro.menu.cpu.8MHzatmega168.upload.speed=19200 pro.menu.cpu.8MHzatmega168.bootloader.low_fuses=0xc6 pro.menu.cpu.8MHzatmega168.bootloader.high_fuses=0xdd pro.menu.cpu.8MHzatmega168.bootloader.extended_fuses=0x00 pro.menu.cpu.8MHzatmega168.bootloader.file=atmega/ATmegaBOOT_168_pro_8MHz.hex pro.menu.cpu.8MHzatmega168.build.mcu=atmega168 pro.menu.cpu.8MHzatmega168.build.f_cpu=8000000L ############################################################## atmegang.name=Arduino NG or older atmegang.upload.tool=avrdude atmegang.upload.protocol=arduino atmegang.upload.speed=19200 atmegang.bootloader.tool=avrdude atmegang.bootloader.unlock_bits=0x3F atmegang.bootloader.lock_bits=0x0F atmegang.build.mcu=atmegang atmegang.build.f_cpu=16000000L atmegang.build.board=AVR_NG atmegang.build.core=arduino atmegang.build.variant=standard ## Arduino NG or older w/ ATmega168 ## -------------------------------- atmegang.menu.cpu.atmega168=ATmega168 atmegang.menu.cpu.atmega168.upload.maximum_size=14336 atmegang.menu.cpu.atmega168.upload.maximum_data_size=1024 atmegang.menu.cpu.atmega168.bootloader.low_fuses=0xff atmegang.menu.cpu.atmega168.bootloader.high_fuses=0xdd atmegang.menu.cpu.atmega168.bootloader.extended_fuses=0x00 atmegang.menu.cpu.atmega168.bootloader.file=atmega/ATmegaBOOT_168_ng.hex atmegang.menu.cpu.atmega168.build.mcu=atmega168 ## Arduino NG or older w/ ATmega8 ## ------------------------------ atmegang.menu.cpu.atmega8=ATmega8 atmegang.menu.cpu.atmega8.upload.maximum_size=7168 atmegang.menu.cpu.atmega8.bootloader.low_fuses=0xdf atmegang.menu.cpu.atmega8.bootloader.high_fuses=0xca atmegang.menu.cpu.atmega8.bootloader.file=atmega8/ATmegaBOOT-prod-firmware-2009-11-07.hex atmegang.menu.cpu.atmega8.build.mcu=atmega8