As I am old enough to remember hard disk access lights on everything, having a heartbeat indicator like this makes me feel warm and cuddly when working on a headless application. Sometimes you just need to know the project is doing something before you start looking for or firing bugs in your program. — Douglas
A simple way and example of how you are able to add a visible heart beat indicator into your sketches to show they are alive & kicking.
Read Implementing a Heart Beat in your code via Explore all projects
An interesting link found among my daily reading
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