2 units* WeMos D1 CH340 WiFi Board ESP8266 ESP-12F compatible w Arduino UNO IDE – ASA College: Florida
ESP8266 WiFi Shield - RobotShop
ESP-12E ESP8266 UART WIFI Wireless Shield for Arduino UNO R3 | eBay
Makerfabs ESP8266 WiFi Shield (recommended) — DCC-EX Model Railroading documentation
ESP8266 ESP-12E UART WIFI Wireless Shield TTL Converter for Arduino UNO R3 Mega – ASA College: Florida
ESP8266 Wifi Bee (Arduino Compatible) - DFRobot
Esp8266 Esp-12 Esp-12e Uart Wifi Wireless Shield Development Board For Arduino Mega R3 Module Mega 3.3v 5v Ttl Interface One - Integrated Circuits - AliExpress
GitHub - mahirgul/wifi-nodemcu-robot-esp8266: NodeMCU ESP8266 to Adafruit Motor Shield V1. This is an old motor driver. I couldn't find any esp8266 connection with this motor driver anywhere. I made a connection in
Esp-12e Wemos D1 Uno R3 CH340 CH340g WiFi Development Board Based Esp8266 Shield Smart Electronic PCB for Arduino Compatible IDE - China WiFi Module, Dual Core Mode | Made-in-China.com