soo after some help from you guys I have made the project and it was working smoothly
we showed it to our professor but he was not pleased, he recommended that we redo it so that GREEN HAS A COUNT OF AT LEAST 10, RED ALSO 10 AND YELLOW 3.
the seven segment display should behave so that when for example: Green counts down from 10 to 1, after 1, it resets back for the next duration of the next light which is yellow with a count of 2, then comes red after the 1 count of yellow
so the 7 segment display should show something like this:
Green: 10 9 8.......2 1 ~> Yellow: 2 1 ~> Red: 10 9...... 2 1 ~> Green.... cycle back
• Our current project is a traffic light with a countdown of 9 to 0 Green count of 4. Red count of 4. and yellow count of 2.
• Using 74192 as the clock 0 to 9. connected to 7447 and is then conneted to 7 segment display
• For the lights red green yellow, we used CD4017BE decade counter and each output is connected to a LED
our professors recomendation is found above in bold:
thus we need to use two seven segments for the 2 digit count for red and green LED
-my problem is how do i do that im currently thinking of JK F/F as a 5 bit modified countdown BUT i think its impossible to put it into a 7 segment decoder with 5 bits
-another thing i can think of is using multiplexers, but the only available multiplexer here is 4 to 1
other than these things, i am clueless
need help pls
Edit1: added condition i forgot to post awhile back about the 7 segment behavior
we showed it to our professor but he was not pleased, he recommended that we redo it so that GREEN HAS A COUNT OF AT LEAST 10, RED ALSO 10 AND YELLOW 3.
the seven segment display should behave so that when for example: Green counts down from 10 to 1, after 1, it resets back for the next duration of the next light which is yellow with a count of 2, then comes red after the 1 count of yellow
so the 7 segment display should show something like this:
Green: 10 9 8.......2 1 ~> Yellow: 2 1 ~> Red: 10 9...... 2 1 ~> Green.... cycle back
• Our current project is a traffic light with a countdown of 9 to 0 Green count of 4. Red count of 4. and yellow count of 2.
• Using 74192 as the clock 0 to 9. connected to 7447 and is then conneted to 7 segment display
• For the lights red green yellow, we used CD4017BE decade counter and each output is connected to a LED
our professors recomendation is found above in bold:
thus we need to use two seven segments for the 2 digit count for red and green LED
-my problem is how do i do that im currently thinking of JK F/F as a 5 bit modified countdown BUT i think its impossible to put it into a 7 segment decoder with 5 bits
-another thing i can think of is using multiplexers, but the only available multiplexer here is 4 to 1
other than these things, i am clueless
need help pls
Edit1: added condition i forgot to post awhile back about the 7 segment behavior
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