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Update Advanced_ATmega_Serial_Uploader.md

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#ATmega Serial Uploader # ATmega Serial Uploader
Mike Blandford adapted the optiboot bootloader for the 4-in-1 module to allow flashing of the module using a standard Arduino USB to serial adapter or FTDI adapter. No need to open the module case. Once set up is very easy to use: Mike Blandford adapted the optiboot bootloader for the 4-in-1 module to allow flashing of the module using a standard Arduino USB to serial adapter or FTDI adapter. No need to open the module case. Once set up is very easy to use:
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This bootloader is for reading and writing the flash only, the EEPROM is not supported, neither is reading/writing the fuses, but it only uses 512 bytes of flash. This bootloader is for reading and writing the flash only, the EEPROM is not supported, neither is reading/writing the fuses, but it only uses 512 bytes of flash.
##Install the bootloader ## Install the bootloader
To get the bootloader onto the ATmega you need to connect an flashing tool (like USBasp) to the 6-pin ISP connector on the board. To get the bootloader onto the ATmega you need to connect an flashing tool (like USBasp) to the 6-pin ISP connector on the board.
Simply flash the .hex file to get the bootloader on the chip, and change the high fuse at the same time. Simply flash the .hex file to get the bootloader on the chip, and change the high fuse at the same time.