Arduino UNO SMD Version

Key Specifications:

• Microcontroller: ATmega328P
• Operating Voltage: 5V
• Input Voltage (Recommended): 7-12V
• Digital I/O Pins: 14 (6 PWM capable)
• Analog Input Pins: 6
• DC Current per I/O Pin: 20 mA (some sources list 40mA, check datasheet)
• DC Current for 3.3V Pin: 50 mA
• Flash Memory: 32 KB (0.5 KB for bootloader)
• SRAM: 2 KB
• EEPROM: 1 KB
• Clock Speed: 16 MHz
• Dimensions: ~68.6mm (L) x 53.4mm (W) (Standard Uno size)

Key Features:

• USB Connection: For programming and power.
• Power Jack: For external power.
• ICSP Header: For direct microcontroller programming.
• LED_BUILTIN: Pin 13