So we can just use basic chips to count sequentially and physically show the results through a 7 segment LED display. Up or down without having to use a microcontroller. It shows the practical use of binary counters and it enables you to count So this circuit uses a binary counter to display the decimal digits in sequential order, each up or down. We can then switch to count down mode, and it will display 9, then 8, then 7, 6, 5, 4, 3, 2, 1, 0. It cannot display a digit above the value of 9. So it'll initially display 0, then 1, 2, 3, 4, 5, 6, 7, 8, and then 9. We will see the decimal digit on the 7 segment display count up each cycle. Since the binary counter increments by 1 each clock cycle in count up mode, In this circuit, we will use a binary counter and connect it to a 4511 BCD to 7 segment display decoder. And from 1111 to 0000 in count down mode. So it counts from 0000 to 1111 in count up mode. It then goes back to 15 and countsĪ binary counter counts in binary. So if it's at 15, it then goes to 14, then 13, then 12, all the way down to 0. When the binary counter is count down mode, it counts in reverse. After it reaches 15, it then goes to 0, starting all over So when the binary counter is in count up mode, it counts up from 0 to 1 to 2 to 3.all the way to 15, in binary values. In this circuit, we will build a binary up/down counter with a 4516 chip.Ī binary up/down counter chip is a chip which can count up or down in binary values incrementing or decrementing by 1 at a time. How to Build a 4516 Binary Up/Down Counter Circuit
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