Instructions for lesson 2: Step 1: Place the spark timer on the edge of the table and plug it into the extension cord. Use a clamp to attach the spark timer to the table. Step 2: Use a hole puncher to cut a hole near the top of a cup. Then use a piece of string ~10 cm to tie up the string to the hole you punched in the cup.
Annotate your image of a microcontroller on the student procedure document (Part 2) Distribute microcontrollers and USB A to B cables to the class. Hand out worksheet (attached) with a photo of an Arduino Uno microcontroller and arrows pointing to key components (but not annotations).