Elegoo UNO Arduino Starter Kit, $22 with code IHCI389V

If any of the approximately 17 million Arduino projects that Lifehacker has posted over the years have piqued your interest in the affordable electronics board, Amazon’s selling starter kits for $22 today, one of the best deals we’ve ever seen.

This beginner-friendly set includes 67 components and 120 resistors to get you started, and a PDF tutorial to get you up and running. Just be sure to use promo code IHCI389V at checkout to save $13.