With Instructables you can share what you make with the world, and tap into an ever-growing community of creative experts.
Tell us about yourself!
You can, but you'll need a 12v power source to run them. Be careful to keep the 12v separate from the 5v on the Arduino. The 2N2222s are configured in open-collector, so they will switch the 12v easily.
Join 2 million + to receive instant DIY inspiration in your inbox.
© 2016 Autodesk, Inc.