building afr gauge help???

[speedy_talon28]

I was wondering when I build this, can I add a digital screen for (real time veiwing ) as well as the regular afr led lights????

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[PieEyedPiper]

I was wondering when I build this, can I add a digital screen for (real time veiwing ) as well as the regular afr led lights????

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This LM3914 thing in the middle of the diagram, is that a chip?
If so, how are you burning it and how did you program it?

If not, I'm dumb

 

[speedy_talon28]

This LM3914 thing in the middle of the diagram, is that a chip?
If so, how are you burning it and how did you program it?

If not, I'm dumb

yes, it's a chip in the middle but, I did not burn it. It's the same chip that's used in afr gauges you find in auto stores.

 

[speedy_talon28]

I wonder if I do this to meake a wideband o2 gauge

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