NodeMCU V1 V2 V3 size and pinout comparison : r/esp8266
D1 Mini V2 NodeMcu 4M Bytes Lua WIFI Internet Of Things Development Board Based ESP8266
Wireless Module Cp2102 Nodemcu V2 Lua Wifi Internet Of Things Development Board Based Esp8266 Esp-12e Wireless - Buy Esp8266,Esp8266 Esp-12e Wireless,Wireless Module Product on Alibaba.com
NodeMcu ESP8266 CP2102 V2 - ElectroYA RC - Racing Drones
Discount CP2102 ESP8266 ESP 12 ESP 12E NodeMcu Lua V2 WIFI Wireless Module Internet Of Things Development Board Micro USB To TTL From China | DHgate.Com
Wireless Module Ch340/cp2102/ch9102x Nodemcu V3 V2 V2.1 Lua Wifi Internet Of Things Development Board Based Esp8266 Esp-12e - Integrated Circuits - AliExpress