[time-nuts] TruePosition on the Arduino

[randy nordlund]

The address on my display is 0x3F.

I have a kit that was put together by the Packrats and the display works with their code.


Randy

VE3AX



On Tue, Jun 20, 2017 at 6:02 PM, Tom Miller <tmiller11147 at verizon.net<https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts>> wrote:
> Has anyone been able to get the Packrat software to work with a display? I
> have been successful getting the Arduino board to initialize the
> Trueposition board but can't get the display right.
>
> The problem seems to be getting the I2C addressing correct. There are
> several 16x2 line displays available but they address at 0x20 to 0x27 and
> 0x38 to 0x3F. Neither of these work.
>
> Since we do not have the source, is there any way to find out what address
> is in use?
>
> Regards
>
> ----- Original Message ----- From: "Gregory Beat" <w9gb at icloud.com<https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts>>
> To: <time-nuts at febo.com<https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts>>
> Sent: Tuesday, June 06, 2017 8:44 PM
> Subject: Re: [time-nuts] TruePosition on the Arduino
>
>
>> Ben -
>> I assume that you never received the Arduino "C code"
>> written by Bruce, WA3YUE for the original project?
>>
>> Club's Powerpoint presentation indicated that source code was available.
>> http://www.packratvhf.com/techinal.htm
>>
>> Packrat GPS Project (Gary, WA2OMY; Bruce, WA3YUE; George, KA3WXV) with
>> TruePosition GPSDO and Arduino
>> by The Mt. Airy VHF Radio Club "Pack Rats" (Southampton, PA).
>> http://www.qsl.net/wa2omy/A%20Packrat%20GPS%20Receiver%20Project.pdf
>>
>> greg, w9gb
>> ==
>>>
>>> original message / digest <
>>
>> I'm getting to the point that once I've got the button logic working, I'll
>> send out my source to anyone who wants to take a look at it or use it.
>> I will stipulate one condition - you can't make too much fun of how poorly
>> programmed it is.  ;)
>> thanks much and 73,
>> ben, kd5byb
>> ==
>> Sent from iPad Air
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--

Chris Albertson
Redondo Beach, California