3 different counters using variables 1. A standard counter 2. A counter from the number of seconds the user sets 3. A countdown

I simulated a 10 second timer that counts down from 10 to 0. This is very simple to do. All you need to do is change the text property of the text value with a custom value and include a delay of 1 second. Then add a callback for the next number with a delay of 1 second. Repeat this until you get to the number 0. There is no need to use variables to simulate a timer. If you are looking for someone to help you with your prototype, we are available for hire at: http://protonerds.com/

The project contains numerous examples completed using variables and conditional logic.

Using color adjustment and filters, I've simulated the iOS spotlight animation. Learn how you can apply these filters at https://proto.io/en/new-features/adjustments-filters/

A clean product card carousel as seen on: https://www.sketchappsources.com/free-source/3173-product-card-view-sketch-freebie-resource.html Infinite loop scrolling added

Shopping cart using variables to calculate selected item amount, and total costs using variables. Project also includes a thumbnail gallery

Music App project Design Credits: https://www.sketchappsources.com/free-source/2847-apple-music-app-sketch-freebie-resource.html

An example of a pricing screen imported from https://www.sketchappsources.com/free-source/3749-pages-ui-web-kit-update-2019-sketch-freebie-resource.html