ARDUINO UNO R3 DIP

Microcontroller: ATmega328P Operating Voltage: 5V Input Voltage (recommended): 7-12V Input Voltage (limits): 6-20V Digital I/O Pins: 14 (6 PWM outputs) Analog Input Pins: 6 DC Current per I/O Pin: 20 mA SRAM: 2 KB EEPROM: 1 KB Clock Speed: 16 MHz Dimensions: 68.6 mm x 53.4 mm Weight: Approximately 25g Communication Interface: USB, UART (TTL Serial Communication)