Bootloader Issue Atmega328p acting as Arduino Pro Mini 3.3v PLEASE HELP!

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hello,

i have issue programming atmega328p.  want run @ 3.3v usage @ 8mhz although cannot figure out.  have boards file these 2 entries

code: [select]
pro.name=arduino pro or pro mini (3.3v, 8 mhz) w/ atmega328

pro.upload.protocol=arduino
pro.upload.maximum_size=30720
pro.upload.speed=57600

pro.bootloader.low_fuses=0xff
pro.bootloader.high_fuses=0xda
pro.bootloader.extended_fuses=0x05
pro.bootloader.path=atmega
pro.bootloader.file=atmegaboot_168_atmega328_pro_8mhz.hex
pro.bootloader.unlock_bits=0x3f
pro.bootloader.lock_bits=0x0f

pro.build.mcu=atmega328p
pro.build.f_cpu=8000000l
pro.build.core=arduino
pro.build.variant=standard

######################################################################

atmega328.name=arduino duemilanove w/ atmega328

atmega328.upload.protocol=arduino
atmega328.upload.maximum_size=30720
atmega328.upload.speed=57600

atmega328.bootloader.low_fuses=0xff
atmega328.bootloader.high_fuses=0xda
atmega328.bootloader.extended_fuses=0x05
atmega328.bootloader.path=atmega
atmega328.bootloader.file=atmegaboot_168_atmega328.hex
atmega328.bootloader.unlock_bits=0x3f
atmega328.bootloader.lock_bits=0x0f

atmega328.build.mcu=atmega328p
atmega328.build.f_cpu=16000000l
atmega328.build.core=arduino
atmega328.build.variant=standard


the arduino duemilanove have , use atmega328p , want function arduino pro mini @ 3.3v @ 8mhz although don't know kind of board entires use. 

i have been getting error quite often

code: [select]
avrdude: yikes!  invalid device signature.
         double check connections , try again, or use -f override
         this check.

so figured out

please help!


Arduino Forum > Using Arduino > Programming Questions > Bootloader Issue Atmega328p acting as Arduino Pro Mini 3.3v PLEASE HELP!


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