SainSmart UNO Board ATmega328P with USB Cable Compatible With Arduino<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Power: Can be powered via the USB connection or with an external power supply. The power source is selected automatically.</li><li>Memory: Has 32 KB (with 0.5 KB used for the boot loader). It also has 2 KB of SRAM and 1 KB of EEPROM (which can be read and written with the EEPROM library).</li><li>Communication: Has a number of facilities for communicating with a computer， another Arduino， or other microcontrollers.</li><li>Programming: Can be programmed with the Arduino software</li><li>Automatic (Software) Reset: Is designed in a way that allows it to be reset by software running on a connected computer.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41EwPQTy-fL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51zcr1ydfKL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51pq3pFbabL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51HTA2aquPL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51ovRZV7oFL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51RcUv3nPtL.jpg" noproxy>