Modulation type

Want to send text to an Arduino with an Android smartphone? Here's how! This article will show how an Arduino (or almost any other microcontroller) can "talk" with your smartphone, sending and receiving text in both directions.

The internet is chock full of amazing resources for electrical engineers. We've rounded up some of the best ones.

Most hobbyists and many professionals use Eagle CAD as a daily tool in designing schematics and laying out PCB. You're going to learn some tips and tricks for using Eagle CAD, which will make your work much easier and faster.