Here is a prototype of a music player. Click play and add different sort of beats to the audio. Sample audio is from http://tricoolore.com/ Enjoy!

Using variables on a slider to control the Brightness and Hue of a light bulb

A simulation of a shopping cart project. Add remove products to a pre-set shopping cart (Use of variables and States)

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

Different perspective this time by having the smart app next to the IOT device. Prizax st is a smart socket system that offers multiple benefits compared to the non-smart sockets. Constant consumption monitoring, enable/disable sockets directly through the app, event management and much more. Contains screen, state transitions, bodymovin/lottie animations. Feel free to import!