Esp8266 Wemos D1 Mini Schematic
D1 wemos mini pinout nodemcu pins started getting smaller albeit much very goes far Getting started with wemos d1 mini Will the esp8266 wemos allow remote control of relays with arduino? : r
Will the ESP8266 WeMos allow remote control of relays with Arduino? : r
Esp8266 pinout wemos arduino r2 relays