I have created many native Java Applications for Android Platform as well as Hybrid Applications using Apache Cordova and Ionic Framework.
Some of them to interact with microcontrollers via Bluetooth, MQTT, WebSocket and HTTP.
Controller Area Network
I've always been in love with electronics and software development, but since 2017, I have been interested in the computarized system of modern cars.
That brings up two more things that I also love, automation and communications.