You are super-sensitive to over-engineering, so you over-engineered your requirements and ultimately your end product, just in a different methodology and framework.
replyOver engineering is subjective / evolving.
replyYou could have bought a bell...
> You could have bought a bell...
replyOver engineering is about the solution, not the requirement:
> I wanted something that lets me play a custom bell
[delayed]
reply"You could have bought a bell.."
replyNo because similar commercial products were either out of stock or not compatible with my AC voltage.