Chapter    18

Challenge 5: Fun Stuff to Know

So, how did you like Challenge 4? Pretty cool, huh? Motors are always fun, and we promise you’re not done working with them yet. And if those ICs (integrated circuits) are still confusing you, don’t worry—we still get confused by them, too. The thing about working with ICs is that they start to make sense the more you actually use them, so we’ll go ahead and let you know you’ll be working with ICs again later in the book.

But let’s talk about the current challenge. Elle and Cade are going to have to be a bit sneaky if they want to get off Gemini Station. With the bad guy’s current location unknown, they don’t want to cross paths with him, so Andrew has a great idea to build some motion detectors to ...

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