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I need help with switching signals

Former Member

Hi there

Although I know a thing or two (ok, maybe 1.5 things) about soldering, I am fairly new to this electronics thing. I've been thinking about starting a secret project that I will only share once I finish. I had trouble finding the materials I need such as the battery, the charging mechanism, ...etc. That is not important right now. As I was listing down the things I wanted it to do, I encountered something I don't know how to solve, thus I need your guys' help

Say I'm connecting two points together (let's call them A and B). Now, I need to switch the output from B to another point called D that gets it's signal from point C by pressing a button. Basically I want to flip the signals (you can think of it as cross multiply in math terms) Now you could say "just use a slide switch, you dummy" but the problem is I have 60 inputs and outputs. do you think you can help me with this?

I thought of using an EEPROM because they have a lot of pins so that I would only need to use 2 of them, but I know nothing on how to program them. I would assume a micro controller would be better but I don't know how to program it either, and I assume it's not as cheap as an EEPROM. I also have no experience in using an arduino. I do, however, know the basics of java, so if that helps please tell me

I really wanna do this. I've been thinking about it for quite a while. Please help.

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    Hi Ehab,  I would suspect that the nes design requires a hard contact between the cartridges and the console. What you want to do would have to be done with 30 DPDT relays. Each relay would flip 2 lines. If you have the pin out names you would have to make sure that "A' goes to "A". I suspect that Michael is right when he says that perhaps not all the lines have to be flipped but could both be hooked up simultaneously.  Without a lot more knowledge of the design the best bet would probably be to just get the hardware and switch them all.

    John

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    Hi Ehab,  I would suspect that the nes design requires a hard contact between the cartridges and the console. What you want to do would have to be done with 30 DPDT relays. Each relay would flip 2 lines. If you have the pin out names you would have to make sure that "A' goes to "A". I suspect that Michael is right when he says that perhaps not all the lines have to be flipped but could both be hooked up simultaneously.  Without a lot more knowledge of the design the best bet would probably be to just get the hardware and switch them all.

    John

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