Microcontroller
ATmega328
Operating Voltage (logic level)
5 V
Input Voltage (recommended)
7-12 V
Input Voltage (limits)
6-20 V
Digital I/O Pins
14 (of which 6 provide PWM output)
Analog Input Pins
8
DC Current per I/O Pin
40 mA
Flash Memory
16 KB (ATmega168) or 32 KB (ATmega328) of which 2 KB used by bootloader
SRAM
1 KB (ATmega168) or 2 KB (ATmega328)
EEPROM
512 bytes (ATmega168) or 1 KB (ATmega328)
Clock Speed
16 MHz
Dimensions
0.73" x 1.70"
Length
45 mm
Width
18 mm
Weigth
5 g