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How can I add Digital Input/Outputs

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was wondering if it is possible to use a smartphone to control industrial devices? I'm pretty sure there must be a way of programming some logic into the phone in C++ or something but am unsure how communication to other hardware could be achieved.

                                               Is there a way of getting hard wired digital inputs and outputs into a phone? A USB breakout board etc that the phone can control? Bluetooth IO?







tweakbox tweakbox tweakbox



Edited by iosman123

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Have you thought of WiFi out of the phone through an app, to an ESP32 that's hard wired to SSR? If you want to find out more about ESP, Rui Santos/Random Nerd Tutorials. Rui also has some pretty good e-books.

Edited by CMarsh

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