To demonstrate this, each step will include: Also shown above is a picture shows the location of the modules on the circuit I built.Įach of the following steps will show how to build the circuit in modules. In the case of this project, the function is an adding calculator.Ībove is a video explaining how the circuit works, a system block diagram showing the modules used to compose the calculator and their connection to other modules. It is a great project to help beginning electronic/computer students and hobbyist understand how to build combinatorial logic circuits from logic gates to perform a given function. This is a simple project that explains how to build a 4-bit adding circuit (4-bit adding calculator) made of seven segment displays, seven segment drivers, AND, OR, NOT, and EXOR gates that add two 4-bit numbers together and returns the results.
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