I used part of the "Laundry App UI Kit Sketch Resource" design that was designed by Satheesh Kumar at: https://www.sketchappsources.com/free-source/3397-laundry-app-ui-kit-sketch-freebie-resource.html to create a quick prototype

kindof like a uni carpool app

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.