Timing Circuit

gboff21

Using an array of 555 timing chips I want to turn one output on for 3 minutes then turn it off, then turn another output on for three minutes then turn it off. I understand how to alternate each output but it is having no outputs after 6 minutes that is the problem.

gboff21	Timing Circuit Tweet Using an array of 555 timing chips I want to turn one output on for 3 minutes then turn it off, then turn another output on for three minutes then turn it off. I understand how to alternate each output but it is having no outputs after 6 minutes that is the problem.