Fritzing

We'll be using the  popular free circuit building program Fritzing for a lot of our tutorials.  A lot of online electronics/microcontroller tutorials use it. That way I can build a circuit on screen as I talk.  I'm going to encourage the kids to load it on their devices and use it themselves in and out of class.  It will be very helpful if a team needs to bounce ideas back and forth. The great thing is that beyond the wires, capacitors, and well known IC's, they have icons for different microcontrollers.  Here's an example: