Hi
I'd like to design an adjustable counter without using a micro-controller
For example this system should be adjustable to count up to 100, and switch a relay when counter matched the adjusted value (100 in this example)
The top value for counter should be adjustable with a few micro-switches
Although I know this is a very simple task using an AVR, but I am wondering if I can do this without a micro-controller like AVR and how?
Thanks for your comments
You can make a preset counter with digital logic components. The effort compared to a single chip processor solution would be rather high. Study a selection guide of CD4000 CMOS or 74HC logic series and review the datasheets of promising counter ICs. Experience the feeling of 70s and 80s electronic design!