Introduction: Adder/Subtractor

About: I am a student of BSCS but I'm interested in electronics that's why I would like to think about innovative ideas and try to build my ideas into reality and i also interested in making a robots. email id: degen…

Hello! friends

Welcome to my another Adder and Subtractor project. It's a topic of Digital And Logic Design by Morris Mano (fifth edition) with the help of this you'll know how its work in reality.

So let's get started.

Step 1: Circuit Diagram

With the help of this diagram we build our Adder/Subtractor project.

Step 2: Materials

You'll need

Some pieces of wire

Soldering wire and solder

Vero board

Resistors: (330ohms x 13) and 1k

Ic's: lm7805, 74ls86 and 74ls38 with bases

Switches: spst x 9 and dpst x 1

Led's: red x 9 and yellow x 5

Step 3: Component Placing

Place the components according to diagram on vero board and soldering it.

Step 4: Soldering and Jumper Wires

Here it is the soldering and jumper wires.

Step 5: Finish

After its look like this.

Step 6: Examples

When you push the switch on left side then its work as a adder and on left side as a subtractor you can see on image. I uploaded a video on next step i'm sure it will clear your concept.

Step 7: Video

Thanks for watching.

I hope you guys like it.