PIC, AVR, and Arduino are ubiquitous in projects these days and a lot of the time it’s easy to over-complicate things with their use. In this case, [Tod] wanted to use a momentary tactile switch ...

You do need to set up the Arduino IDE to build ... user interface with a push button and wire it to an LED on the board. That’s the Blynk “hello world” program. But for the joystick there ...