socket.io - Communication between Flask and ESP8266 via SocketIO (Updated 2x) - Stack Overflow
![18552] ESP8266 Socket Expansion Compatible with NodeMcu Lua V3 – ICHIBOT STORE](https://store.ichibot.id/wp-content/uploads/2021/04/ESP8266-Socket-Expansion-Compatible-with-NodeMcu-Lua-V3-2.jpg "18552] ESP8266 Socket Expansion Compatible with NodeMcu Lua V3 – ICHIBOT STORE")
18552] ESP8266 Socket Expansion Compatible with NodeMcu Lua V3 – ICHIBOT STORE
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