Let's build our own simple IoT device - notification system

In Bert Wagner's blog article, he shares the project of creating a swimming notification device from scratch, designed to inform users about the water conditions in pools. The author describes the building process, starting from the concept and selection of components to implementation and testing. Utilizing IoT (Internet of Things) technology in this project allows for real-time notifications about water quality, making it especially beneficial for pool owners. The project also includes information about software and applications that enable remote monitoring. Notably, the article features a section about the challenges faced by the author and the solutions he found, providing invaluable tips for readers working on similar projects. The entire article is enriched with schematics and code examples, making it accessible for individuals with varying levels of expertise in programming and electronics.