Nodemcu V3 Baseboard NodeMcu Lua Development Board

This baseboard is fitted with an onboard switching DC-DC buck (wide input range) and a standard 5.5 x 2.1 mm DC socket, mounting holes and numerous headers are available to esase NodeMCU V3 module usage
Allows developers to deal with the underlying hardware in a manner similar
Applies to the basic testing of the DIY breadboard for V3 NodeMcu Lua WIFI