WeMOS Mega + WiFi R3 ATmega2560 + ESP8266 USB-TTL For Arduino Mega NodeMCU | eBay
Arduino MEGA R3 WIFI MEGA328P - ESP8266 32MB USB-TTL CH340G - Loja da Robótica - componentes eletrônicos, peças de robótica, CNC, impressora 3D e máquina a laser.
Geekcreit Mega +WiFi R3 Module ATmega2560+ESP8266 32Mb Memory USB-TTL CH340G
Arduino MEGA 2560 With WiFi Built-in - ESP8266 : 10 Steps - Instructables
Arduino® UNO R4 WiFi
Compatible module with Arduino Mega 2560 connected to WiFi module and... | Download Scientific Diagram
OTA on the Mega +WiFi R3 ATmega2560+ESP8266 (32Mb memory) - IDE 1.x - Arduino Forum
Mega 2560 with esp8266 communication with WiFi module failed - Project Guidance - Arduino Forum
Mega2560 + Wifi R3 Atmega2560+esp8266 32mb Memory Usb-ttl Ch340g. Compatible For Arduino Mega Nodemcu For Wemos Mega 2560 - Integrated Circuits - AliExpress
Amazon.com: Songhe Mega2560 + WiFi R3 ATmega2560+ESP8266 32Mb Memory USB-TTL CH340G. Compatible for Arduino Mega NodeMCU for WeMos ESP8266 : Electronics
Arduino Mega 2560 R3 Compatible with ESP8266 WiFi MCU and 32 Mb flash — PMD Way
Mega+WiFi Setup — DCC-EX Model Railroading documentation