So I have a synth that only takes 1 volt per octave keys, and I have a keyboard that has a midi out. How would I create a circuit that turns midi into cv? I am thinking of using a DAC0800LCN but I am not sure. I don't want to use a microcontroller.

 

Welcome to AAC!

MIDI is data encoded in digital. CV is analog.
I don't see how you can convert from MIDI to CV without a microcontroller.
Buy an off-the-shelf MIDI to CV converter.

 

As MrChips says. Or have a go at an Arduino project.
Google turns up quite a few.
Here is one...
https://github.com/elkayem/midi2cv

 

Thanks for the replies. I now see it's impossible to do that without a microcontroller lol. Is it possible to do it with an ATtiny85?

 

Hello,

You must also tell the micro wich midi channel should be converted.

Bertus

 

I would advise going with that GitHub article. It has the circuit and the code. If you want to try a different way, that is up to you, but you will be largely on your own. I think the ATtiny85 does not have the pins needed.