Hello,
I got an email from yingyingong asking the following question:
If only one led is on at the time the ciruit could be quite easy.
The request to have a growing number of leds will need some kind of latching circuit.
Perhaps others have their idea's about it.
Bertus
I got an email from yingyingong asking the following question:
As I do not answer emails I posted the question over here.hello. i would like to use 7490 counter and 7442 decoder to light up 60 LEDs one after another for a minutes. which means every seconds an LED will light up. if is 60 seconds then all LEDs are on. could you help me on this? thanks in advance.
If only one led is on at the time the ciruit could be quite easy.
The request to have a growing number of leds will need some kind of latching circuit.
Perhaps others have their idea's about it.
Bertus