Lab46 Wiki

The breadboard is the device we will use to build our circuits:

The electrical layout of the breadboard is as follows:

Here's a good video overview of the functionality of a breadboard:

• https://www.youtube.com/watch?v=6WReFkfrUIk

Here is a diagram for a circuit driving one LED, from one GPIO pin:

You are after a circuit that drives four LEDs, each one from a unique GPIO pin.

wget https://project-downloads.drogon.net/wiringpi-latest.deb
sudo dpkg -i wiringpi-latest.deb