Hello All,
I'm new to the forum and I'm having trouble with a university project. I am using a 555 timer, six 74192 up/down counter chips, six 7447 displays, three AND gates, and six 7 segment displays to function as a 24 hour clock. I followed the data sheets and diagrams that my professor gave us but the seconds start counting from 60 and when it reaches 70 it restarts back to 60 and I can’t seem to figure out the problem. Here are the data sheets and diagram;
I'm new to the forum and I'm having trouble with a university project. I am using a 555 timer, six 74192 up/down counter chips, six 7447 displays, three AND gates, and six 7 segment displays to function as a 24 hour clock. I followed the data sheets and diagrams that my professor gave us but the seconds start counting from 60 and when it reaches 70 it restarts back to 60 and I can’t seem to figure out the problem. Here are the data sheets and diagram;