The RO does not need any of the keyboard stuff but you can simply bypass it by shorting out/jumpering the keyboard portion if you built it.
Or eliminate it all together I made my own modified version of the board just for RO's with none of the TX.

I've build dozens of them. You just state "it doesnt work" so not much to go by....
Does it run OPEN?
If it does NOT run open are you saying it will not space or tx any data?
Are you saying its prints but doesn't print correctly?
All of those could be "doesn't work"

Help us to help you ;-) A photo of the offending board and wiring might help too. Most who have built them can spot a mis-wire.

JD

On Wed, Jul 20, 2022 at 11:26 AM abowman89 via GreenKeys <greenkeys@mailman.qth.net> wrote:

So ive been trying to breadboard the interface board on https://www.aetherltd.com/connecting.html but have yet to get it to work. My question is do i have to change something since my model 15 is only a r/o? I have the original power supply and have verified the voltage and amps are good.

Sent via the Samsung Galaxy Note20 5G, an AT&T 5G smartphone

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