Arduino Atmega328 microcontroller with DC motor driver
Digital I/O pins: 14 (of which 6 provide PWM output)
Flash memory 32 KB
Operating voltage: 5V
The Nexus Robot Arduino 328 Microcontroller is a microcontroller board based on the Arduino 168. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 8 analog inputs, a 16 MHz crystal oscillator, a USB connection, a power jack, an ICSP header, and 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 a AC-to-DC adapter or battery to get started.