Amazon.com: WEMOS D1 ESP8266 Wi-Fi Board 80-160MHz - IoT - Compatible with Arduino and NodeMCU : Electronics
WeMos D1 WiFi Review
Esp-12e Wemos D1 Uno R3 Ch340 Ch340g Wifi Development Board Based Esp8266 Shield Smart Electronic Pcb For Arduino Compatible Ide - Integrated Circuits - AliExpress
Configuring the Wemos D1 Mini Pro ESP8266 for Arduino IDE – The Chewett blog