Arduino UNO R3 – V2
- Microcontroller: ATmega328P.
- Digital I/O: 14 pins (6 PWM).
- Analog Inputs: 6 pins.
- Operating Voltage: 5V.
- Input Voltage: 7-12V recommended (6-20V range).
- Flash Memory: 32 KB (2KB used by bootloader).
- SRAM: 2 KB.
- EEPROM: 1 KB.
- Clock Speed: 16 MHz.
- Connectivity: USB (ATmega16U2 USB-to-Serial converter), Power Jack, ICSP header.
