Key Specifications:

• Microcontroller: ATmega328P

• Operating Voltage: 5V

• Input Voltage (recommended): 7–12V

• Digital I/O Pins: 14 (of which 6 provide PWM output)

• Analog Input Pins: 6

• DC Current per I/O Pin: 20 mA

• Clock Speed: 16 MHz

• Flash Memory: 32 KB (0.5 KB used by bootloader)

• SRAM: 2 KB

• EEPROM: 1 KB

• USB Interface: USB Type-B (programming + power)

• UART (Serial Communication): Yes (hardware serial)

• SPI Communication: Yes

• PWM Outputs: 6 channels