April 2020
Intermediate to advanced
294 pages
7h 53m
English
There are several different pre-built socket applications that are written for use on Android. The application that I used to test the sensor node was called Simple TCP Socket Tester, but other applications could also be used. The socket tester is particularly interesting because it allows the Android tablet to act either as a socket server or a socket client. This provides us with the flexibility to use the same application, regardless of whether we have our ESP32 act as a client or a server.
Take a few moments now to go to the Google Play Store app and install Simple TCP Socket Tester.
Once you have downloaded the application, open it and you will find a screen that looks like the following:
Notice that there ...
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