BB8 or R2
This is blink, livened up.
Another chance at blink, this time with a little more complexity, and coachwork by his little sister.
If, else, infra red.
The magic of infra red
Inputs and Outputs.
We taught the arduino to play 'who am I thinking of'
Starting make things move.
Servos are a great way to teach angles.
Drinking Straw plus LED = ?
Exploring angles with a lightsaber
There will be more...