SainSmart NodeMcu Lua CH340G ESP8266 Wireless WIFI Internet Module Development Board<div style="text-align: left;"><strong>[Product Information]</strong><ul><li id="replacementPartsFitmentBullet" class="aok-hidden" data-doesntfitmessage="We're not sure this item fits your " data-fitsmessage="This fits your "><span class="a-list-item"><span id="replacementPartsFitmentBulletInner"><a href="#" class="a-link-normal hsx-rpp-fitment-focus">Enter your model number</a>to make sure this fits.</span></span></li><li><span class="a-list-item"> Uses CH340G instead of CP2102， built-in USB-TTL serial with super reliable industrial strength CH340G </span></li><li><span class="a-list-item"> Support UART / GPIO data communication interface </span></li><li><span class="a-list-item"> Built-in TCP/IP protocol stack to support multiple TCP Client connections (5 MAX) </span></li><li><span class="a-list-item"> A great set of tools to develop ESP8266 </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/61eeBZTrJoL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/5149OM7me7L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51gcN4KeVRL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51laekKoTSL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51lUpluNP2L.jpg" noproxy>