ESP8266 NodeMCU (Arduino compiler) Pins. Now with WeMos D1 Mini! – www.holdentechnology.com
ESP8266 Pinout | Pins and Their Functions of ESP8266 SoC - ElectronicsHub
have a question about pins : r/esp8266
Amazon.com: D1 Mini ESP8266 ESP-12 ESP-12F CH340G V2 USB WeMos WiFi Development Board NodeMCU Lua IOT Board 3.3V with Pins (D1 Mini CH340) : Electronics
NodeMCU Pinout – IoT Bytes
ESP8266 Pinout Reference: Which GPIO pins should you use? | Random Nerd Tutorials