Scrapyard Challenge 555 Noisemaker!

Step 6: 1/8" Headphone jack

This headphone jack is a standard audio connection. Almost any headphone set will fit in to this jack, and play mono sound out of both the left and right ear. You can even connect this up to a big PA or speaker system and play a concert!!

The jack fits in just one way. Solder up all pins that fit the footprint.