Qunqi Leonardo R3 development Board Microcontroller ATmega32u4 for arduino + USB Cable<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Input Voltage: 7-12V，Operating Voltage:5V，SRAM:2.5 KB (ATmega32u4)</li><li>Flash Memory: 32 KB (ATmega32u4) of which 4 KB used by the bootloader</li><li>PWM channel: 7 (D3， D5， D6， D9， D10， D11， D13)</li><li>Analog Input Channels:12(A0-A5， D4-A6， D6-A7， D8-A8 ，-A9 D9， D10-A10， D12-A11)</li><li>Digital IO port: 22 (D0-D13， D14-MISO D15-SCK， D16-MOSI D18-23 [A0-A5)</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51JJ2Wo7fcL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51lB2sVK7WL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51WZh%2BilRuL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31Nvi4krGhL.jpg" noproxy>