[tweaklabs] Today's random circuit: 555 based toy organ!

[shapr]

Here's the circuit: http://www.ecelab.com/circuit-toy-organ.htm

and here's the reference for the 555 chip: http://en.wikipedia.org/wiki/555_timer_IC

Have fun!

[shapr]

Additionally, here's a neat resistor calculator page:
http://www.hobby-hour.com/electronics/resistorcalculator.php

[Cynthia Yildirim]

That was a great circuit presentation thanks Shae!