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Re: Driving GPIO pins


 










On Tue, May 18, 2021 at 2:05 PM, Robert Bruninga
<bruninga@...> wrote:
I need more info.? What is that board?
thanks
Bob (in chemo fog)

On Tue, May 18, 2021 at 3:11 PM Gregory Lane via groups.io
<k7sdw=[email protected]> wrote:
>
> 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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