Amazon.com: DWEII 3PCS ESP-12E ESP8266 UART WiFi Wireless Shield for WeMos D1 CH340 WiFi Development Board ESP8266 ESP 12E for Arduino IDE UNO R3 : Electronics
Amazon.com: KeeYees 3pcs ESP8266 ESP-12E Development Board WiFi WLAN Wireless Module CP2102 for NodeMCU for ESP-12E for Arduino : Electronics
Adafruit WINC1500 WiFi Shield with PCB Antenna - Boutique Semageek
Amazon.com: ACEIRMC ESP8266 ESP-12 ESP-12F NodeMcu Mini D1 Module for WeMos Lua 4M Bytes WLAN WiFi Internet Development Board Base on ESP8266 ESP-12F for Arduino,Compatible with WeMos D1 Mini (5pcs) : Electronics
Amazon.com: Arduino MKR MEM Shield [ASX00008] : Electronics
PHPoC WiFi Shield for Arduino | Arduino, Arduino wifi, Wifi
Amazon.com: HiLetgo 3pcs ESP8266 NodeMCU CP2102 ESP-12E Development Board Open Source Serial Module Works Great for Arduino IDE/Micropython (Large) : Electronics
Amazon.com: ESP8266 ESP-12E NodeMcu Lua WiFi Module Connector Development Board, for Arduino IDE Micropython, with Motor Drive Expansion Board : Electronics
Amazon.com: Dorhea ESP8266 ESP-12 NodeMcu D1 Module WeMos Lua 4M Bytes WLAN WiFi Internet Development Board + Relay Shield + 2.54mm 40Pin Single Row Male Pin Header - 3Set : Electronics
Getting Started with the Arduino WiFi Shield | Arduino Documentation
Arduino Ethernet Shield with W5100
Amazon.com: SunFounder Ethernet Shield W5100 Compatible with Arduino UNO R3 Mega 2560 1280 A057 : Electronics
Amazon.com: Arduino MKR CAN Shield [ASX00005] : Electronics