Harvard's free programming classes teach you how to think, debug, and adapt in an AI-driven world where knowing code matters more than ever.

Making a servo tester using an Attiny85 micro chip, Attiny45 also works for this project. This diy servo tester is as good as ...

Behind every piece of technology is the code that makes it work. From Feb. 20-22, 2026, middle and high school students will ...