Amazon.com: SunFounder Ethernet Shield W5100 Compatible with Arduino UNO R3 Mega 2560 1280 A057 : Electronics
PHPoC P4S-347 R2 WiFi Programmable Internet of Things IoT Shield for Arduino 732387203735 | eBay
Amazon.com: DIYmall ESP8266 ESP-01S WiFi Serial Transceiver Module with 4MB Flash : Electronics
LM YN USB Host Shield for UNO MEGA 2560 1280 Support Google Android ADK USB HUB
Amazon.com: WOWOONE 1PC Wemos D1 Mini Arduino Uno WiFi Shield for ESP8266 ESP-12E, Development Board for Arduino Compatible
Amazon.com: Teyleten Robot Nano IO Expansion Shield Sensor Module for Arduino UNO R3 Nano 3pcs : Electronics
Amazon.com: Arducam Mini Module Camera Shield with OV2640 2 Megapixels Lens Compatible with Arduino UNO Mega2560 Board and Raspberry Pi Pico : Electronics
Arduino Ethernet Shield 2 [A000024]
Amazon.com: HiLetgo 3pcs ESP32 Mini ESP-WROOM-32 Development Board WLAN WiFi Bluetooth IoT Development Board : Electronics
Amazon.com: Arduino MKR1000 WiFi with Headers [ABX00011] : Electronics
Amazon.com: WOWOONE 1PC Wemos D1 Mini Arduino Uno WiFi Shield for ESP8266 ESP-12E, Development Board for Arduino Compatible
ACEIRMC ESP8266 ESP-12 ESP-12F NodeMcu Mini D1 Module for WeMos Lua 4M Bytes WLAN
Amazon.com: SunFounder Ethernet Shield W5100 Compatible with Arduino UNO R3 Mega 2560 1280 A057 : Electronics
Weewooday 10 Pieces Development Board NodeMcu Mini Wireless D1 Module Compatible with ESP8266 ESP-12F 4M
Amazon.com: Seeed Studio CAN-Bus Shield V2 Compatible with Arduino for Controller and Transceiver, Arduino Shield Adopts MCP2515 and MCP2551. : Electronics
Amazon.com: WEMOS TTgo D1 R32 ESPDuino-32 Compatible WiFi Bluetooth BLE with ESP32 : 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
Amazon.com: WOWOONE 1PC Wemos D1 Mini Arduino Uno WiFi Shield for ESP8266 ESP-12E, Development Board for Arduino Compatible
Qunqi Smart Electronics ESP-12E WeMos D1 WiFi uno Based ESP8266 Shield for arduino Compatible
Amazon.com: SunFounder Ethernet Shield W5100 Compatible with Arduino UNO R3 Mega 2560 1280 A057 : Electronics
Amazon.com: Songhe Mega2560 + WiFi R3 ATmega2560+ESP8266 32Mb Memory USB-TTL CH340G. Compatible for Arduino Mega NodeMCU for WeMos ESP8266 : Electronics
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