Features:

• SMD ATmega328 microcontroller with Optiboot (UNO) Bootloader.
• USB Programming Facilitated by the Ubiquitous FTDI FT231X (more stable).
• Input voltage: DC7-15V.
• 1A (maximum) 5V voltage regulator.
• 500mA (maximum) 3.3V voltage regulator.
• 0-5V outputs with 3.3V compatible inputs.
• 14 Digital I/O Pins (6 PWM outputs).
• 6 Analog Inputs.
• ISP 6-pin Header.
• 32k Flash Memory.
• 16MHz Clock Speed.
• R3 Shield Compatible.
• TX, RX, Power, pin 13 LEDs are moved to edge.
• Utilize USB Micro-B socket.
• White PCB!
• Special version of site connector (CT-UNO-SE only)