Sourd.io is like a fitness tracker for your sourdough starter

The device attaches to the lid of a regular Ball jar. | Image: Twilio Baking sourdough can be a tricky business. Unlike other breads, where you can reliably use off-the-shelf dried yeast for a consistent result, sourdough uses a sourdough starter, which most people make themselves using a combination of flour and water. There are a ton of variables to getting it right, so why not use a DIY piece of tech to take some of the guesswork out?
That’s the aim of Sourd.Io, a DIY project put toget