Your new hobby, now with more data` - a fitness tracker for sourdough starters has been created, allowing users to monitor their bread's temperature, humidity, and rise. The IoT Sourdough Starter Monitor features a temperature and humidity sensor as well as a distance sensor, providing correlated data on the starter's growth. This device is designed to be versatile, with options to attach it to a ball jar or balance it on skewers for monitoring. For developers, there are resources available to build one themselves, including code, libraries, and instructions. The creator of this project is also open to feedback and questions on their Github repo, Twitter, and Twitch channel.