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
Arduino UNO R3 D1 Clone with WiFi ESP8266 — KKSB Cases
How to connect esp8266 or esp32 as wifi shield with arduino uno r3 for blynk project setup - Project Guidance - Arduino Forum