[Coco] Coco Cassette interface help

Brett Gordon beretta42 at gmail.com
Mon Feb 27 10:57:28 EST 2017

center the signal to zero via a capacitive coupling, and stick to a
transistor base.  output off common (high impedance -inverted). maybe
ground a diode off base to bias it all to get closer to zero. basically
match C's resistor to match the input impedance of your pin.  Probably
really high, right?
On 2/27/2017 12:30 AM, David Ladd wrote:

> Funny you would bring this up.  I haven't tried it yet myself, but I was
> thinking of the same thing, but trying it with a PJRC Teensy 3.2 which has
> a true single channel DAC.
> I would like to know the same thing as well.  We keep this up might get a
> nifty project ideas going on this :D
I am hoping I can reach a breakthrough in the next week or so.  I have an
idea for CocoFEST, but time grows short.  Dig out your Teensy :-)


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