Please suggest a project [logic gates]

[sammyzs]

Hello
I am new here and I am only a student. So the problem is that we need to make a circuit project that focuses on Logic Gates. Can you guys suggest some projects or give a link that our group can make? Well, according to my professor, the standard is a not so hard but a not so simple circuit ... whether it's a game or some household device.

I tried google and it brought me here, so I just thought of asking you guys out here.

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oh, and to those who wonder, I am only a first year college with a Programming course ...
and I'm also surprised we had a subject like this.

 

[Nigel Goodwin]

Nice easy circuit, make a simple combination lock - a row of toggle switches that you have to set the correct way to open the lock. Use logic gates to give an OPEN or NOT-OPEN indication.

 

[sammyzs]

Nice easy circuit, make a simple combination lock - a row of toggle switches that you have to set the correct way to open the lock. Use logic gates to give an OPEN or NOT-OPEN indication.

A very nice suggestion, but can I request you to elaborate it further?
I can visualize the switches being set to either open or not-open, but I'm having problem thinking of the lock ...

 

[Nigel Goodwin]

A very nice suggestion, but can I request you to elaborate it further?
I can visualize the switches being set to either open or not-open, but I'm having problem thinking of the lock ...

You don't need an actual mechanical lock, for the purposes of the project just a pair of LED's would do - one for OPEN and one for LOCKED (or even just a single LED).

 

[sammyzs]

Thank you very much, kind sir.

 

[vicky420]

hey SAMMY u hav DLDA ka project kya ..........coz i too hav a project usin GATES......

 

[philba]

hey SAMMY u hav DLDA ka project kya ..........coz i too hav a project usin GATES......

Summer school must be winding up... Looks like the remedial class is working hard.

 

[Hero999]

sammy,
Don't give Vicky your work, she'll probably just hand it in as her own.

 

[TrevorP]

Summer school must be winding up... Looks like the remedial class is working hard.

Well said.

 

[Krumlink]

I totally did not understand what vicky was attempting to say...

It would be easy (super easy) to make a lock. I wont go into specifics, but you will need a 8input AND gate, 8 switches, and 1 LED. Simple!

 

[Gayan Soyza]

Here make this & get 100 marks both of you in your project.
Tell to the professor this is your own design

It’s an introduction to NOR & XOR gates.

**broken link removed**

 

[pc88]

Or you could build this circuit. Place the photo transistor near the "Go" light, attach the ENTER and DATA0-3 leads, turn the power on and let yourself in.

(Note, this is untested, but I think I've got all the timing details correct.)

 

[sammyzs]

Thank you for all the replies and the link.
I have another question though, would it be hard if I actually include a mechanical lock instead of two LED. Since I already made it this far, maybe I should take it a level higher.

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I really don't understand what vicky is trying to say.
I'm still a newbie in this field so please forgive my ignorance.