Reference: UNO R3 

Microcontroller: ATmega328

Operational Voltage: 5v

External power (recommended): 7-12v

External power (limits): 5-20v

Digital I / O pins: 14 (of which 6 with PWN function)

Analog pins (input): 6

DC Current I / O Pin: 40 mA

DC Current 3.3V Pin: 50 mA

Flash Memory: 32 KB (of which 0.5 KB are occupied by the bootloader)

SRAM: 2 KB

EEPROM: 1 KB

Speed: 16 MHz

Reference: C-9877

Batteries : Not included.

Box measures: 16.5 x 21.5 x 8 cm.

Pieces in the kit: 88

Reference : C-9878

Batteries : Not included.

Pieces in the kit: 87

Reference : C-9876

Batteries : Not included.

Dimensions: 21.5 x 16.4 x 8 cm.

Weight: 0.598 g.

Pieces in the kit: 93

Référence : C-9875

Piles : Non incluses.

Pièces dans le kit : 92

Reference: C-9879

Features : CHASSIS

Pieces in the kit: 35