Blog Archive for August 12, 2013

7 Segment Counting

August 12, 2013

http://drumcoder.co.uk/blog/2013/aug/06/555-timer-astable/ shows how to set up a 555 timer so that it outputs pulses that have the same length. We can use a 4026 decade counter to count these pulses and show them on a 7 segment LED display.

4026 Decade Counter

The 4026 Decade Counter pinout is shown below. …