introduction to nodemcu v3, nodemcu v3 features, nodemcu v3 pinout, nodemcu v3 applications 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. The modul ...