NodeMCU v2 and v2.1 high resolution pinout and specs – Renzo Mischianti
ESP8266 NodeMCU V3 pin out details | Download Scientific Diagram
Introduction to NodeMCU V3 - The Engineering Projects
Introduction to NodeMCU V3 - The Engineering Projects
Amazon.com: WLAN WiFi Internet Development Board D1 Mini NodeMcu Lua 4M Bytes Development Module Base on ESP8266 ESP-12F for Arduino Compatible with WeMos D1 Mini (10PCS) : Electronics