ATmega328 UNO DEVELOPMENT BOARD

The VMA100 (Arduino Uno compatible) is a microcontroller board based on the ATmega328. It has 14 digital input/output pins (of which 6 can be used as PWM outputs), 6 analogue inputs, a 16 MHz ceramic resonator, a USB connection, a power jack, an ICSP header and a reset button. It contains everything needed to support the microcontroller, connect it to a computer with a USB cable or power it with a AC-to-DC adapter or battery to get started.
Features

100% compatible with Arduino UNO

Specifications

microcontroller: ATmega328
operating voltage: 5 VDC
input voltage (recommended): 7-12 VDC
input voltage (limits): 6-20 VDC
digital I/O pins: 14 (of which 6 provide PWM output)
analogue input pins: 6
DC current per I/O pin: 40 mA
DC current for 3.3 V pin: 50 mA
flash memory: 32 kB (ATmega328) of which 0.5 kB used by bootloader
SRAM: 2 kB (ATmega328)
EEPROM: 1 kB (ATmega328)
clock speed: 16 MHz
length: 68.6 mm
width: 53.4 mm
weight: 25 g