Unit 2: Making Connections

Connect up an LED on a prototype board as shown in the picture below:)

Open the Blink program that you used in Unit 1. Upload it to the Arduino, and you should set your LED start to blink. It is just the same as Unit 1, except that you are now using your own LED.

The LED is a diode and diodes only let current flow in one direction.

So, if it doesn't work try turning the diode round the other way.

You may also need to check that the LED is connected to pin 13 on the UNO.

Now try doing some of these things:

Remove the words LED-Builtin from your program and replace them with the number 13. See if it still goes.

Now see if you can make the diode work on pin 10 instead of pin 13.

Now see if you can get two diodes working.

Now see if you can flash the lights alternately like a police car.