Arduino Uno R3 with Cable
- Digital I/O Pins: 14 (of which 6 provide PWM output)
- Flash Memory: 32 KB (ATmega328P) of which 0.5 KB used by bootloader.
- SRAM: 2 KB (ATmega328P), Operating Voltage 5V
- Analog Pin: 6
- SPI, I2C , UART Support
Arduino Uno has 14 digital input/output pins (of which 6 can be used as PWM outputs) which can use as general-purpose pins, 6 analog inputs pin from A0 TO A, a 16 MHz crystal oscillator, USB connection, DC power jack, ICSP header Pins, and also a reset button. It contains everything needed to support the microcontroller; simply connect it to a computer with a USB cable or power it with an AC-to-DC adapter or battery to get started.