Amazon.com: HiLetgo 1PC ESP8266 NodeMCU CP2102 ESP-12E Development Board Open Source Serial Module Works Great for Arduino IDE/Micropython (Small) : Electronics
NodeMcu Lua V3 ESP8266 ESP-12E WIFI Lua Internet Development Board Module | eBay
Amazon.com: MakerFocus 2pcs ESP8266 NodeMCU LUA CP2102 ESP-12E Internet WiFi Development Board Serial Wireless Module Internet for Ar duino IDE/Micropython with Free Adapter Board for ESP8266 ESP-01 and nRF24L01+ : Electronics
NODEMCU V2 LUA BASED ESP8266 DEVELOPMENT BOARD - Whadda
Amazon.com: HiLetgo 2pcs ESP8266 NodeMCU CP2102 ESP-12E Development Board Open Source Serial Module (Pack of 2PCS) : Electronics
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NodeMcu Lua WIFI Board Based on ESP8266 CP2102 Module [NodeMcu-Lua-CP2102] - US $6.20 : HAOYU Electronics : Make Engineers Job Easier