Arduino Uno

The Uno R3 is a open source microcontroller board based on the ATmega328 chip. This Board has 14 digital input/output pins, 6 analog input pins, Onboard 16 MHz ceramic resonator, Port for USB connection, Onboard DC power jack, An ICSP header and a microcontroller reset button. It contains everything needed to support the microcontroller. Using the board is also very easy, simply connect it to a computer with a USB cable or power it with DC adapter or battery to get started.

Features:
Microcontroller: ATmega328P.
Operating Voltage: 5V.
Input Voltage: 7-12V.
Digital I/O Pins: 14 (of which 6 provide PWM output).
Analog Input Pins: 6.
DC Current: 40mA.
Flash Memory: 32 KB.
SRAM: 2 KB.
EEPROM: 1 KB.
Clock Speed: 16 MHz.

Applications:
DIY project prototyping.
Developing varied varieties of projects that require a code based control.
Automation System development.
Learning AVR programming.
Entry level circuit designing.