How to build an "addon" or shield?


I have created a small setup with a potentiometer, some resistors and some LEDs. In order to do some demos with this, I would like to avoid wiring this setup over-and-over, and build a small board that I can plug into the Arduino.

What do I need to take my setup off the breadboard and more into a real "device" form?


A protoboard. There are many versions, from simple boards with single isolated thru holes you solder your parts to, to more complex ones with alternative external attachment points, such as these that I offer:
Uno size & Mega size:

Thanks! Indeed the parts I was looking for. I'll try to take a hold of them soon.