Hi Friends! Welcome you onboard. I am back to give you a daily dose of useful information. Today, I'll unlock the detailed Introduction to NodeMCU V3. It is an open-source firmware and development kit that plays a vital role in designing your own IoT product using a few Lua script lines. Libraries NodeMCU Simulation Libraries Latest library: NodeMCU ESP8266 V3 Library for Proteus V2.0 (October 2026): your ESP8266 sketch with Wi-Fi, a web dashboard, mDNS, a phone panel and a built-in serial monitor Other ESP8266 modules: ESP-01 · ESP-01S · ESP-07 · ESP-07S · ESP-12E · ESP-12F · ESP-01 Adapter · WiFi Shield · NodeMCU V2 · D1 Mini · D1 R2 ESP32 boards and modules: ESP32 DevKit V1 · ESP32-DevKitC V4 · ESP32-S3 DevKitC-1 · ESP32-C3 SuperMini · ESP32-C6 DevKitC-1 · TTGO T-Display · T-Display S3 ...