Description
Microcontroller: ATmega328
Atmega16U2 (NOT CH340) for USB/Serial Interface; No extra driver needed
Operating Voltage: 5V
Digital I/O Pins: 14 (of which 6 provide PWM output)
Analog Input Pins: 6
DC Current for 3.3V

Dimension
Length: 68.6 mm
Width: 53.4 mm
Weight: 25 g