A D-Duino or a Wemos actually its neither
This was an interesting board that I bought, I had been looking at D-Duino's for a while wanting to buy them for a couple...
NodeMCU board and Arduino development
The is a microcontroller from Chinese manufacturer Espressif that includes Wi-Fi capability.
Setup Arduino
Starting with 1.6.4, Arduino allows installation of third-party platform packages using Boards...