Having designed the circuit it’s just a matter of wiring ... I originally planned to buy ping-pong balls from the dollar store but they only had six 9-packs. I ended up ordering a gross online.
In the circuit here, a big (100uF ... We’ll play around with ping-pong stereo just to show off, and use the 4066 quad switch chip to do it. Just above, we plugged a given voice into either ...
An curved arrow pointing right. The ITTF (International Table Tennis Federation) has released a video showing the manufacturing of ping pong balls and it's incredibly satisfying to watch.