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Arduino USB to serial UART interface is the the essential tool for establishing communication
between PC and MCU.
Specs:
Operating Voltage: 5V (Compatible with 3.3V-5V)
Compatability: USB 2.0 Full Speed, Xbee
Indicators: TX RX PWR
Power Supply: 3.3V-5V DC
Dimensions: 53mm x 28mm x 0.8mm
*Note: This is not an original Arduino brand product.