This project, developed for didactic and experimental purposes, is an example of a practical IoT application. It's a Wi-Fi (2.4 GHz) based remote control device using the MQTT protocol, compatible with various cloud and on-premise brokers.
You can download the firmware to load on Arduino MKR1000 and the masters to build printed circuit boards.
MD5: e7e11dd07ee20ec41979f5bdbbea9779
The bill of matirial is available on this. To load the firmware, I suggest you visit my video archive.
The sketch uses 108696 byte on 262144 byte (41%) of the available space for programs.
For support or information regarding its implementation, feel free to contact me.
I am working on a revision of the initial concept, aiming to make it even more versatile and useful as a foundation for new ideas.
Bill Of Materials with their placement on the PCB in demo version.