Since LUA sockets no longer work in FSUIPC5 I came up with this work around:
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First I created two virtual serial ports with this free app com0com
it creates two virtual serial ports and links them together. One port is connected to a LUA script with com read and write and the other is connected to this
free app CommTunnel. this app even has a window so you can see whats being sent and received.
I use esp8266 12f wifi chips with mcp23017 gpio expanders(I2C version) with adafruit library(for mcp23017) and arduino IDE for programming. (ordered in bulk from china th