MicrocontrollerATmega168 or ATmega328V
Operating Voltage: 2.7-5.5 V
Input Voltage: 2.7-5.5 V
Digital I/O Pins: 14
PWM Channels: 6
Analog Input Channels: 6
DC Current per I/O Pin: 40 mA
Flash Memory: 16 KB (of which 2 KB used by bootloader)
SRAM: 1 KB
EEPROM: 512 bytes
Clock Speed: 8 MHz