April 8th, 2008 IC 4520 Binary Counter
This is a Binary Counter based on 555 timer and 4520 CMOS integrated circuit.The circuit looks simple and easy to build ,but with a simple modification you can turn your circuit into device that works like high tech dice.Rather then throwing dice to create a number you can use your 4520 to create random numbers between 0 and 15.
IC 4520 Binary Counter: [Via] - [Link]
