Waiting loop to decrease variable

im new to arduino and have to make a timed loop so every 5 seconds it decreases a variable by 1 how do i do

Hi, @helpimstuck
Welcome to the forum.

Please read the post at the start of any forum , entitled "How to use this Forum".

This will help with advice on how to present your code and problems.

Have you written any code?

Thanks.. Tom... :grinning: :+1: :coffee: :australia:

Use millis()

For information and examples look at Using millis() for timing. A beginners guide or Several things at the same time

Is this an assignment?
What resources have you been provided to understand this?