Curved Slider controlling lamp brightness. Designs taken from: https://www.sketchappsources.com/free-source/3592-smart-lamp-view-sketch-freebie-resource.html

A reverse timer using the handle to designate where the timer begins its countdown.

Basic To Do prototype based on: https://www.sketchappsources.com/free-source/3625-basic-to-do-app-design-sketch-freebie-resource.html

This 18 Cool Gradients was designed by Osama Dawood https://www.sketchappsources.com/free-source/3607-gradients-ui-kit-sketch-freebie-resource.html

Circular progress bar

Using the Carousel default Pattern in Proto.io. I use a few screen interactions to turn it into an Autoscroll Carousel. Design Credits to: https://www.sketchappsources.com/resource/download-3665.html