For all of you Teslamaniacs out there in our comments section, here is your chance to finally walk the walk. The ARDX Arduino Starter Kit gives you a detailed, illustrated guide, complete with all the parts you need to build your own circuits. You can then move on to building circuits for cars or monitoring systems or your own goddamn Tesla coil, but your journey to owning dominion over all things electric starts right here.
If there's one thing you can never have enough of, its charging cables. Pick any social event, and we'll find you someone who's in need of a phone charge. Heck, even as we speak, Grandma is giving you hints that her phone is at 10 percent life. You could reply "So are you, Grandma," or you could just get the 10-Ft MFi-Certified Lightning Cable: 3-Pack, and let her have the peaceful ending she deserves.