Re: WiFi to setup a PIC based device
On the phone, a terminal program may run and do the configuration.
simple, anything with a browser can set data fields and/or transfer files up or down to an esp8266 module of your choice
the esp can host the server on its own net or on your chosen wifi network then transfer the data to/from the pic.
With esp's asyncwebserver and or websockets you are only limited by your imagination and a little knowhow for html and js or similar scripting
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ps , esp modules are as cheap as bluetooth ones and 100000 times more versatile
Warning I'm not a teacher
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