Davinci 1.0A board

It is a due based board and has a serial port available on the backside of the board. The serial port is a 4 pin header. step1 step1

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Alternate Module placement for increased WiFi range (outside metal chassis, antenna has vertical polarization)

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Board pins voltage 3.3v
Board firmware Repetier for Davinci
Board configuration note Enable wifi in the firmware configuration file
ESP3D configuration note Raw serial, no SD