Arduino UNO R3 Improved Version CH340 Chip + USB Cable

Specifications:Microcontroller: ATMEGA328POperating Voltage: 5VInput Voltage (recommended): 7-12VInput Voltage (limits): 6-20VDigital IO Pins: 14 (of which 6 provide PWM output)Analog Input Pins: 6DC Current per IO Pin: 40mADC Current for 3.3V Pin: 50mAFlash Memory: 32 KB (ATMEGA328P) of which 0.5 KB used by bootloaderSRAM: 2 KBEEPROM: 1 KB