Key Specifications
Microcontroller: ATmega328P
USB-to-Serial Processor: ATmega16U2
Clock Speed: 16 MHz
Digital I/O Pins: 14 (6 with PWM support)
Analog Input Pins: 6
Flash Memory: 32 KB
SRAM: 2 KB
EEPROM: 1 KB
Operating Voltage: 5V
Input Voltage (recommended): 7–12V
Input Voltage (limits): 6–20V
Dimensions: 26.7 mm x 34.2 mm
Connector: USB-C
Special Features: Limited edition with unique serial number and hand-signed letter from Arduino founders