![Amazon.com: SNCT D1 Mini ESP8266 ESP-12 ESP-12F 4M Bytes CH340G CH340 V2 USB WeMos D1 Mini Compatible WiFi Development Board NodeMCU Lua IOT Board 3.3V with Pins (Pack of 5) : Electronics Amazon.com: SNCT D1 Mini ESP8266 ESP-12 ESP-12F 4M Bytes CH340G CH340 V2 USB WeMos D1 Mini Compatible WiFi Development Board NodeMCU Lua IOT Board 3.3V with Pins (Pack of 5) : Electronics](https://m.media-amazon.com/images/I/51P4dnf1COL._AC_UF350,350_QL80_.jpg)
Amazon.com: SNCT D1 Mini ESP8266 ESP-12 ESP-12F 4M Bytes CH340G CH340 V2 USB WeMos D1 Mini Compatible WiFi Development Board NodeMCU Lua IOT Board 3.3V with Pins (Pack of 5) : Electronics
![ESP8866 D1 mini, can only receive serial on pin 13 (D7), not pin 3 (RX) - Microcontrollers - Arduino Forum ESP8866 D1 mini, can only receive serial on pin 13 (D7), not pin 3 (RX) - Microcontrollers - Arduino Forum](https://europe1.discourse-cdn.com/arduino/optimized/4X/2/5/b/25b9229dc200cac66dafb888779c736148278da4_2_959x1024.jpeg)
ESP8866 D1 mini, can only receive serial on pin 13 (D7), not pin 3 (RX) - Microcontrollers - Arduino Forum
![IZOKEE 4M Bytes WLAN WiFi Internet Development Board Base on ESP8266 ESP-12F for D1 Mini (Pack of 3) : Amazon.ca: Electronics IZOKEE 4M Bytes WLAN WiFi Internet Development Board Base on ESP8266 ESP-12F for D1 Mini (Pack of 3) : Amazon.ca: Electronics](https://m.media-amazon.com/images/I/61MWzmFFzKL.jpg)
IZOKEE 4M Bytes WLAN WiFi Internet Development Board Base on ESP8266 ESP-12F for D1 Mini (Pack of 3) : Amazon.ca: Electronics
![Type-C ESP8266 ESP-12 ESP12 WeMos D1 Mini WIFI Development Board NodeMCU Lua New - The ICT University Type-C ESP8266 ESP-12 ESP12 WeMos D1 Mini WIFI Development Board NodeMCU Lua New - The ICT University](https://i.ebayimg.com/images/g/~wgAAOSwQ-xjrlwj/s-l1600.jpg)