Building a working model of the 555 timer IC chip.
It works! It works!
Music from YouTube audio library: Book Bag by E's Jammy Jams.
Sunset, Majestic View Park, Arvada, Colorado. March 9, 2017.
Music: "Leopard Print Elevator" Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0 License