arduino/home

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• arduino

• http://www.arduino.cc/
• japanese ref
  • http://www.musashinodenpa.com/arduino/ref/
• bords http://arduino.cc/en/Main/Products

• spec http://arduino.cc/en/Products.Compare
• Atmega168PinMap?
  
  • Atmega328PinMap?
    
• compatible

  name	Size	Compatible
  Pro Mini atmega328 Replace ATmega128 5V/16M For Arduino-Compatible Nano Module	33.8mm*18mm	Nano
  New ATMEAG328 5V 16Mhz Replace ATmega168 For Arduino Pro Mini Compatible Nano	18x33mm	Nano
  UNO 互換ボード		UNO

Add the folow text in boards.txt †

##############################################################
# Custom board "Arduino Optiboot8"
# Arduino uno r3 ATMEGA8A-PU

opti8.name = Arduino Optiboot8

opti8.upload.protocol = Arduino
opti8.upload.maximum_size = 7680
opti8.upload.speed = 115200

opti8.bootloader.low_fuses = 0xBF
opti8.bootloader.high_fuses = 0xcc
opti8.bootloader.path = optiboot
opti8.bootloader.file = optiboot_atmega8.hex
opti8.bootloader.unlock_bits = 0x3F
opti8.bootloader.lock_bits = 0x0F

opti8.build.mcu = atmega8
opti8.build.f_cpu = 16000000L
opti8.build.core = arduino
opti8.build.variant = standard

• TTL driver is here