The AC power adapter provides 5v DC with a 5.5mm x 2.1mm DC power jack. The adapter has a US standard 2-prong plug and works with 100VAC-240VAC 50-60Hz and can output a maximum of 2.0A DC. The jack on the adapter matches the DC jack on the NixCore X1-DEV board.
USB to RS232 Serial Cable SKU: rs232_1 In Stock: Yes Price:$5.00 USD
The USB to RS232 serial adapter can connect directly to the RS232 serial port on the NixCore X1-DEV board. Drivers are available for both Windows and Linux (OSX support not tested but should work). Check the Download page.