In this project I designed a smart bathroom scale, using some 3D printing, an ESP8266, IFTTT and Adafruit.IO. You can use this tutorial to practice several skills: 3d printing and laser cutting skills, soldering, electronics, programming, etc. Full instructions at: https://www.instructables.com/id/Wi-Fi-Smart-Scale-with-ESP8266-Arduino-IDE-Adafrui