UNO R3 + WiFi ATmega328P+ESP8266 (32Mb memory) USB-TTL CH340G For Arduino Uno - External ESP8266 Pins - Arduino Stack Exchange
Wavgat Uno R3 + Wifi Atmega328p+esp8266 (32mb Memory) Usb-ttl Ch340g For Arduino Uno Nodemcu Wemos Esp8266 One New Arrival - Integrated Circuits - AliExpress
UNO WiFi R3 ATmega328P ESP8266 32Mb USB TTL For Arduino NodeMCU US | eBay
Blynk IOT based home Automation | uno+wifi-r3-atmega328p-esp8266-8mb-ch340g - YouTube