When I want to annoy someone, I take my clicker and I say:
"Hey! Hey! Do you listen it? Can you hear it? is it cool?" etc.
You want to know why?
Teachers! Did you use this instructable in your classroom?
Add a Teacher Note to share how you incorporated it into your lesson.
Step 1: Parts You Will Need
1. A breadboard
2. 2 small wires
3. A 470 Ω resistor
4. An LED
5. A toggle switch or pushbutton
6. A magnetic transducer
7. A 9 volt battery and clip
Step 2: Schematic
I am pretty sure you can read schematics.
If no, I've put pictures below.
Remember: You can always comment!
Try it on someone first... :p