Date of publish: 2022-07-04 Author: Magnusson Millqvist, Hamlet (hm222vx) Inquiries: :mailbox: hamlet.millqvist@pm.me {%youtube K2bILlnbDfk %} :coffee: Introduction This tutorial presents a solution for notifying the user when they have forgotten to retrieve freshly heated coffee/tea (or any other heated beverage really) before it goes cold again. By only utilising a temperature sensor, programmable micro-controller, connection to the web, and an online database with ability to push webhooks! This project was done as part of the course Applied internet of things at Linnaeus University, Sweden. All provided imagery, text, and code posted here is available free of use under a slightly modified MIT license provided further down. You are basically free to do whatever you want with any information found in this tutorial as long as you include a copy of the copyright and a mention of where you got it from! Just a thank you to 'Magnusson Millqvist' for providing the code for (this or that) is just fine by me.