ESP8266 Extra Memory 32M NodeMCU V3 3Lua WIFI Development Module ESP 8266 Flash CP2102 for Arduino Hardware IO

Features:
1. Open-source, Interactive, Programmable, Low cost, Simple, Smart, WI-FI enabled.
2. For hardware IO.
3. Advanced API for hardware IO, which can dramatic reduce the redundant work for configuring and manipulating hardware.
4. Code like interactively in Lua script.
5. Nodejs style network API.
6. Event-driven API for network applicaitons, greatly speed up your IOT application developing process.
7. Lowest cost WI-FI.