Gikfun USB Nano V3.0 ATmega328 CH340G 5V 16M Micro-controller board For Arduino (Pack of 3pcs) EK1620x3<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Operating Voltage(logic level):5V，Support USB download and Power</li><li>Please wear anti-static gloves or bracelet when operate electronic products.Please keep it in anti-static bag when not use it. Please keep it out of reach of children.</li><li>Don't use aged usb cable or aged circuit board to connect Nano V3.0 Board.Pull down the usb from computer when no need to upload and download procedures.</li><li>Suit for people above 18 year's old with 1 year electronic diy experience.Or use it under the guidance of electronic specializer</li><li>The product is used for learning and test Code.It's Prohibited for any other purpose.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51FTYd5KG5L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/61QFH2HgrqL.jpg" noproxy>