My Howtos and Projects: Build Your Own Arduino on a Breadboard

An electronic project: Designing and creating your own Sensor Hub using multiplexers, by Brandon Lim, Layhill L. Tech

Building an 8-Bit CPU on a Breadboard - Austin Morlan

Arduino Tutorial - Lesson 3 - Breadboards and LEDs

Make Your Own Arduino Board - A DIY Tutorial - ElectronicsHub

How to Build an Arduino Uno on a BreadBoard : 6 Steps (with Pictures) - Instructables

How to build an arduino compatible physical computing platform on a solderless breadboard v1.1

Learn How to Use a Breadboard

DIY Arduino Board

How to Make Your Own Arduino Board : 13 Steps (with Pictures) - Instructables

How to Reduce Arduino Power Consumption, Arduino

DIY Arduino Board

How to Use a Breadboard to Build Circuits Fast & Easy

Make Your Own Arduino - Exhibition / Gallery - Arduino Forum

Create an Arduino Controlled Battery Charger - Projects

How to Build an Arduino Uno on a BreadBoard : 6 Steps (with Pictures) - Instructables