Two Digit Counter Circuit Is Shown Below



Have you ever needed a reliable two-digit counter circuit for a project? Well, here is one easy design that you can build right at home. The two-digit counter circuit shown below is an efficient and reliable way to count up or down over a range of numbers. This circuit is perfect for applications such as a digital clock, stopwatch, or any other simple counting device.

The circuit starts with an 8-bit shift register (74HC595N) and a pair of decade counters (74HC390). The two 7-segment displays are connected directly to the outputs of the two chips without any extra circuitry. The 7-segment display is used to show the count of the two-digit counter.

The shift register is used to control the decade counters. When the enable signal is high, the output of the shift register is examined. If the first bit is high, the count will increment by one. If the second bit is high, the count will decrement. The shift register is connected to the reset of both decade counters, so that when the enable signal goes low, the count will be reset to zero.

This two-digit counter circuit is an excellent choice for projects where reliability and simplicity are key. It is also relatively inexpensive to build, and can be used in a variety of different applications. With a little bit of tinkering, it can be used to create something unique and useful. Give it a try for your next project!


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