Look no further. Great product quality, that's solidly built. Best of all, its very affordable price. Buy today.<br />Reserve USBAS download interface, this board can used as smallest system board,USBASP download apps. Serial port communication. With reserved pins, can connect with bread board and any pin plug module. Add two touch buttons, one high level trigger <br />Dimension: 76*53*14 mm <br />Microcontroller: ATmega328 <br />Operating voltage: 5V (USB cable power supply, type B plug) <br />Input: 7V-12V <br />Digital input/output pins: 14 <br />Analog input pins: 6  <br />Flash memory: 32K <br />SRAM: 2K<br />EEPROM: 1K <br />Clock frequency: 16MHZ  <br /><br />1 x Development Board <br />1 x USB cable <br />In anti-static bag<br /><img src="http://img6.eachbuyer.com/x9/p100/eb3781_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb3781_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb3781_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb3781_4.jpg" />