/challenges-projects/design-challenges/hats-off/b/blog/posts/the-hats-we-decided-not-to-makeWhen I first read about the Hats Off challenge, I thought that sounded like a great way to introduce my daughter to microcontrollers. The Gemma is a nice small part with limited capabilities which makes it a great choice for a first project. She's a.en-USTelligent Community 12