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 |