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Re: Driving GPIO pins

 

Bob,
I think I bought a TC2004A-03R board to interface with my TT4.
Have you or anyone in groups.io have the hookup and command settings for this board?

Thanks, Greg

-----Original Message-----
From: Robert Bruninga <bruninga@...>
To: [email protected]
Sent: Sat, Apr 3, 2021 5:54 pm
Subject: Re: [TinyTrak] Driving GPIO pins

You?set up these commands: (they may not be exact since htis is from memory) but similar:

NODISP on
MSGCOMMAND?ON
etc

THen, over the air, you send a message to the devices callsign "!OUT=$FF" where $FF is the state you want for the port bits

Bob


On Sat, Apr 3, 2021 at 1:32 PM Steven Heimann <vk2bos.lists@...> wrote:
Evening all

I have a memory that it is possible to drive a gpio pin in a Tinytrak 4 high or low based on the receipt of an over the air command in an APRS packet.? I have looked at the manuals and this mailing list but can't find anything. I am looking to drive a relay to switch a repeater on and off at a remote mountain site which is battery powered.? Is my memory more faulty than usual?? Could someone point me to some doco on this.

Thanks and regards
Steven VK2BOS

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