Weight 26 g
Dimensions 75 × 54 × 12 mm
  • Compatible with Arduino+ Easy To Use
  • Digital Input/Output Pins are 14 (of which 6 can be used as PWM outputs), 6 analog inputs
  • The Operating Voltage is 5V, DC Current for each input/output pin is 40 mA, DC Current for 3.3V Pin is 50 mA
  • Flash Memory is 32 KB, SRAM is 2 KB
Model Type Arduino Uno R3
Microcontroller Chip ATmega328 (SMD) – Interface CH340G
Operating Voltage (VDC) 5
Input Voltage(Recommended) 7-12V
Input Voltage (limit) 6-20V
Analog I/O Pins 6
Digital I/O Pins 14 (of which 6 provide PWM output)
PWM Digital I/O Pins 6
DC Current for 3.3V Pin (mA) 50
DC Current per I/O Pin (mA) 40
Clock Speed 16 MHz
SRAM (KB) 2
EEPROM 1 KB (ATmega328)
Flash Memory 32 KB
Power Supply Option DC Jack or USB
On Board LEDs On/Off, L (PIN 13), TX, RX
Operating Temperature (°C) -40 to 90
Dimensions in mm (LxWxH) 75 x 54 x 12
Weight (gm) 26