Digital counter

This circuit works with a 555 timer and drives a BCD counter. You can see 2 examples, 74LS90 and 74LS193. If you need more information about this proyect, write to this address: mpaillali@colegioaltamira.cl



http://www.youtube.com/watch?v=bXlNsnO0lFQ&hl=en

See Also : circuit boards design picture board design Digital Circuit